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In the world of CNC machining and industrial automation, precision is non-negotiable. The performance, accuracy, and longevity of your equipment depend on the quality of every component—and few parts are as critical as the ball screw. At Shuntai, we specialize in manufacturing premium ball screws designed to meet the rigorous demands of modern machine tools, with our C3/C5 precision 6310 ball screws standing out as a top choice for engineers and manufacturers worldwide. What Makes Our Ball Screws the Ideal Choice? A ball screw converts rotary motion into linear motion with minimal friction, using recirculating ball bearings between the screw shaft and nut. This design delivers far greater efficiency, accuracy, and durability than traditional lead screws, making it indispensable for CNC lathes, mills, grinders, and other precision machinery. 🔧 Core Specifications Built for Performance   • Brand: Shuntai • Model: 6310 ball screw (rolled thread design) • Precision Classes: C3, C5 (ideal for high-accuracy CNC applications) • Material: Premium GCr15 bearing steel, renowned for its hardness, wear resistance, and fatigue strength • Standard Diameter Range: 5mm to 65mm • Standard Lead Range: 3mm to 300mm • Customizable Length: 10mm to 6000mm (tailored to your machine’s exact requirements) • Finishing: Custom surface treatments available to match your operational needs ⚙️ Manufacturing Excellence Our ball screws are produced using advanced processes including cold rolling, CNC grinding, precision turning, and straightening. Every step is carefully controlled to ensure consistent thread profile, surface finish, and dimensional accuracy. The result is a component that delivers smooth, repeatable motion even under heavy loads and high speeds. ✨ Key Benefits That Set Us Apart 1.Long Service Life: Made from high-grade GCr15 steel and optimized for rolling friction, our ball screws resist wear and tear, reducing downtime and replacement costs. 2.High Rigidity & Preload: Engineered to handle heavy loads while maintaining tight clearances, eliminating backlash for precise positioning. 3.Smooth, Stable Operation: Recirculating ball design minimizes friction and noise, ensuring consistent motion for high-precision machining tasks. 4.Versatile Compatibility: Suitable for a wide range of CNC machine tools, from milling machines to lathes, and adaptable to various automation applications.   Why Choose Shuntai Ball Screws? At Shuntai, we combine decades of manufacturing expertise with a commitment to quality and customer satisfaction: • Cost-Effective Pricing: Direct factory pricing means you get premium quality without the premium markup. • Fast Delivery: Orders are typically shipped within 7 days, with our main shipping port located in Shanghai for efficient global logistics. • Custom Solutions: We offer tailored ball screw designs, materials (including stainless steel, alloy steel, brass, and aluminum), and packaging to meet your specific project requirements. • Reliable Support: Our engineering team is on hand to help you select the right ball screw for your application, from initial inquiry to after-sales support. Ready to Upgrade Your CNC Machine’s Performance? Whether you’re building new equipment, retrofitting existing machinery, or replacing worn components, our C3/C5 precision 6310 ball screws deliver the accuracy, durability, and value you need.   Contact our team today to discuss your requirements, request a quote, or learn more about how Shuntai ball screws can elevate your manufacturing operations.

In precision manufacturing and automation, the efficiency, rigidity, and service life of your motion control components directly determine the performance of your entire system. When looking for a high-quality replacement for TBI ball screws that matches or exceeds industry standards, SHUNTAI’s ball screws stand out as a cost-effective, high-performance solution. Designed for seamless compatibility and built to last, these ball screws deliver the precision and reliability your applications demand. Why Choose SHUNTAI Ball Screws? SHUNTAI ball screws are engineered to replace all TBI ball screw series, offering identical performance with enhanced durability and competitive lead times. Crafted from premium GCr15 bearing steel, a material renowned for its high hardness, wear resistance, and fatigue strength, these ball screws are built to withstand the rigors of continuous, high-load operation. Our ball screws are manufactured using two advanced processes: rolled screws for cost-effective, high-volume applications and ground screws for ultra-precision requirements. This dual manufacturing capability allows us to cater to a wide range of industries, from standard automation to aerospace-grade precision applications. Key benefits include: • Enhanced System Rigidity: By distributing loads through rolling contact, our ball screws reduce friction and improve the overall rigidity of your equipment, leading to smoother operation and better performance. • Long Service Life: The combination of high-quality materials and precision manufacturing ensures these ball screws deliver extended service life, reducing maintenance needs and downtime. • Quick Delivery: With our Shanghai-based shipping port, we offer a fast 7-day delivery turnaround, so you can get the components you need without long lead times. Versatile Applications Across Industries Ball screws are the backbone of precision linear motion, used in applications that demand accuracy, speed, and reliability. SHUNTAI ball screws excel in these key sectors: 1. CNC Machine Tools   From milling machines to lathes and drilling equipment, our ball screws enable fast, precise positioning, boosting both machining efficiency and part accuracy. They ensure smooth, repeatable motion for even the most complex cutting operations. 2. Industrial Machinery   Injection molding machines, presses, and textile equipment rely on ball screws to transmit high torque and heavy loads consistently. SHUNTAI ball screws provide the robust performance needed to keep these industrial workhorses running reliably. 3. Robotics & Automation   Precision is critical in robotic arms and automated systems. Our ball screws deliver the exact motion control required for joint positioning and linear movement, ensuring robots operate with accuracy and stability. 4. Aerospace & Defense   For aircraft landing gear, engine components, and satellite platforms, SHUNTAI ball screws offer the high precision and dependability needed to meet strict aerospace industry standards. 5. Medical Equipment   From surgical robots to CT scanners and MRI machines, our ball screws provide the smooth, stable motion control essential for medical device accuracy and patient safety. Ready to Upgrade Your Motion Control System?   Whether you’re looking to replace existing TBI ball screws or source new components for your project, SHUNTAI ball screws offer a reliable, high-performance alternative that meets your technical requirements and budget. With a focus on quality, compatibility, and fast delivery, we make it easy to keep your operations running smoothly.  

If you’re working with CNC machinery, automation systems, or industrial equipment that demands reliable, efficient linear motion, choosing the right ball screw assembly is critical. At Shuntai, our SFU 3206 and 3208 ball screw assemblies are engineered to deliver exceptional performance, durability, and precision for a wide range of industrial applications. What Makes Our SFU Ball Screws Stand Out? Ball screws are mechanical devices that convert rotary motion into linear motion (or vice versa) using recirculating steel balls. Unlike traditional lead screws, they use rolling friction instead of sliding friction, which drastically reduces wear, improves efficiency, and delivers smoother, more accurate movement. Our SFU 3206 and 3208 assemblies take this core design to the next level with these key advantages: High Durability: Made from premium GCr15 bearing steel, these screws are built to withstand heavy loads, continuous use, and harsh industrial environments for extended service life. Rolled Screw Technology: The manufacturing process uses precision rolling to create consistent, smooth threads that ensure reliable ball circulation and minimize backlash. Low Friction, High Efficiency: The recirculating ball design reduces friction by up to 90% compared to lead screws, resulting in lower power consumption and faster, more responsive movement. Smooth, Quiet Operation: The precision-machined raceways and balls eliminate the stick-slip effect common in lead screws, ensuring quiet, vibration-free performance. Key Specifications for SFU 3206 & 3208 Assemblies Our SFU ball screw assemblies are designed with versatility and performance in mind, with specifications tailored to meet industrial demands: Parameter Details Standard Diameter 5mm to 65mm (custom options available) Standard Lead 3mm to 300mm (SFU 3206/3208 optimized for 6mm/8mm leads) Length Range 10mm to 6000mm (custom cut to your exact requirements) Precision Grades C3, C5, C7 (available to match your accuracy needs) Materials GCr15 bearing steel (standard), with optional stainless steel, alloy steel, and other materials for specialized applications Processing Methods Rolled screw manufacturing with optional CNC grinding, turning, and finishing for enhanced precision The SFU 3206 features a 32mm diameter screw with a 6mm lead, while the SFU 3208 offers the same 32mm diameter with an 8mm lead, giving you flexibility to match your application’s speed and load requirements. Why Choose Shuntai Ball Screws for Your Industrial Needs? At Shuntai, we don’t just sell ball screws—we deliver complete motion solutions tailored to your unique requirements. Here’s why industrial partners worldwide trust our products: ✅ Customization at Every Step   We understand that every application is different. That’s why we offer fully customizable ball screw assemblies, from diameter and lead to end machining and nut configurations. Whether you need a standard SFU 3206 or a fully custom assembly, we’ll work with you to match your exact specifications. ✅ Reliable Quality Control   Every ball screw undergoes rigorous testing and inspection to ensure it meets our strict quality standards. From material selection to final machining, we monitor every step of the process to guarantee consistent performance and long-term reliability. ✅ Fast Lead Times & Dependable Shipping   With a standard 7-day lead time and shipping from Shanghai, we make it easy to get the ball screws you need, when you need them. Our dedicated logistics team ensures your order is carefully packaged to prevent damage during transit. ✅ Versatile Industrial Applications   Our SFU ball screw assemblies are ideal for a wide range of uses, including: • CNC machine tools (mills, lathes, routers) • Industrial automation equipment • Robotics and pick-and-place systems • Packaging machinery • Medical equipment • Semiconductor manufacturing systems Ready to Upgrade Your Motion System? Whether you’re replacing worn components or designing a new industrial machine, our SFU 3206 and 3208 ball screw assemblies offer the precision, durability, and performance you need. Ready to learn more about how Shuntai ball screws can improve your equipment’s efficiency and reliability? Contact our team today to discuss your application requirements, request a quote, or get answers to your technical questions. Shuntai: Your trusted partner for high-quality industrial motion solutions.

If you work with CNC machine tools, you know that even the smallest components can make or break your production quality. Among these critical parts, the ball screw stands out as a foundational element, directly influencing the accuracy, speed, and longevity of your equipment. At Shuntai, we design and manufacture high-precision C3, C5, and C7 grade ball screws tailored to meet the rigorous demands of modern CNC machining. What Makes Our Ball Screws the Right Choice for CNC Applications?Our ball screws are engineered to transform rotary motion into linear motion with minimal friction, delivering consistent, repeatable performance even under heavy loads. Crafted from premium GCr15 bearing steel, these components are built for durability and precision, with two primary manufacturing processes available to suit your needs: • Rolled ball screws: A cost-effective option for applications requiring moderate precision, ideal for standard CNC machinery. • Ground ball screws: The ultimate choice for high-precision tasks, offering tighter tolerances and smoother operation for critical machining centers. Key Advantages of Our Ball Screws for CNC Machines 1.Unmatched Precision Grades   Available in C3, C5, and C7 accuracy classes, our ball screws cater to different precision requirements: • C3 Grade: Ultra-high precision for applications like high-speed machining centers. • C5 Grade: Balanced precision for general CNC lathes and milling machines. Fast Lead Times: We offer a 7-day delivery window for standard orders, so you can get your equipment up and running without delays. Reliable Logistics: Our ball screws ship from Shanghai, ensuring efficient access to global markets with a proven supply chain network. Application Expertise: Whether you need a ball screw for a CNC lathe, milling machine, or automation system, our team can help you select the right grade and specifications for your specific use case. • C7 Grade: Reliable performance for standard automation equipment.   This range ensures you get exactly the accuracy your project demands, no more, no less.2.Enhanced Load-Bearing CapacityThanks to their rolling ball design, our ball screws distribute loads evenly across multiple contact points. This reduces stress on individual components, boosts system rigidity, and enables the screws to handle heavier axial loads compared to traditional lead screws. The result? Less deflection, more stability, and consistent machining quality even under demanding conditions.3.Long Service Life & Low MaintenanceMade from wear-resistant GCr15 bearing steel and precision-finished, our ball screws are built to last. The rolling mechanism minimizes friction and heat buildup, reducing wear and tear over time. With proper lubrication, these screws deliver years of reliable service, lowering your long-term maintenance and replacement costs.4.Smooth, Quiet OperationUnlike lead screws that rely on sliding contact (which generates noise and vibration), our ball screws use recirculating balls for near-frictionless motion. This translates to quieter operation, reduced vibration, and smoother axis movement—critical for high-quality surface finishes in CNC machining.5.Anti-Backdrive Safety Why Choose Shuntai for Your CNC Ball Screw Needs?As a trusted manufacturer of precision ball screws, we focus on delivering solutions that align with the real-world challenges of CNC machining: Fast Lead Times: We offer a 7-day delivery window for standard orders, so you can get your equipment up and running without delays. Reliable Logistics: Our ball screws ship from Shanghai, ensuring efficient access to global markets with a proven supply chain network. Application Expertise: Whether you need a ball screw for a CNC lathe, milling machine, or automation system, our team can help you select the right grade and specifications for your specific use case.Applications of Our High-Precision Ball Screws • CNC lathes and turning centers • Vertical and horizontal machining centers • Gantry robots and automation equipment • 3D printing and additive manufacturing systems • Precision linear motion systemsNo matter the application, our ball screws deliver the precision and reliability that keep your production lines running smoothly.If you’re ready to upgrade your CNC machine with high-quality, long-lasting ball screws that deliver consistent performance, our team is here to help. Click the "Contact Us" button to learn more about our C3/C5/C7 ball screws, request a quote, or discuss your custom requirements. Let’s build more reliable CNC systems together. Our C3, C5, and C7 ball screws are widely used across CNC and industrial automation applications, including:

Trapezoidal lead screws are classic mechanical transmission components designed to convert rotary motion into smooth linear force transmission. Widely adopted across global industrial automation, conveyor systems and general machinery fields, they stand out as a budget-friendly alternative to precision ball screws for low-load, low-speed operational requirements. Manufactured by Shuntai, our custom trapezoidal screw assemblies deliver reliable performance tailored to diverse customer customization needs. Core Specifications of Our Custom Trapezoidal Screws Item Detailed Parameter Product Name Trapezoidal Lead Screw Brand Shuntai Raw Material GCr15 Bearing Steel, Carbon Steel, Bronze Nut Production Process Rolled Screw, Ground Screw Key Advantage Extended Service Lifespan Lead Time 7 Days for Standard Orders Preferred Shipment Port Shanghai, China Main Features of Trapezoidal Lead Screws Compared with high-precision ball screw products, trapezoidal lead screws have distinct performance characteristics that match targeted application scenarios perfectly: 1.Economical Production & Low Unit Cost   Their simplified machining workflow cuts down overall manufacturing expenses significantly. Without complex rolling component assembly, trapezoidal screws greatly lower procurement costs for equipment manufacturers with non-high-precision project budgets. 2.Stable Load Performance for Light-Duty Operations   Built for low-load and moderate-speed running conditions, these screws excel at basic force delivery instead of heavy-load high-cycle operations, matching most conventional automated equipment design standards. 3.Robust Self-Locking Performance with Moderate Friction   Higher internal friction than ball screws brings natural self-locking capability, which keeps equipment position fixed automatically once power is cut off. This unique trait eliminates extra locking parts for lifting and positioning machinery. 4.Tolerant Backlash for Non-Precision Positioning   While moderate backlash exists during reciprocating movement, this feature is acceptable for applications that don’t demand ultra-precise positioning, further cutting unnecessary production costs for low-accuracy machinery projects. Where Trapezoidal Lead Screws Are Commonly Used Thanks to their cost advantages and practical mechanical traits, Shuntai trapezoidal screws are extensively applied in: • General industrial automation equipment • Conveyor belt drive structures • Light-duty lifting machinery • Household and small-scale processing machinery • Custom manual adjustment devicesWhy Choose Shuntai Custom Trapezoidal Lead Screws? ✅ Flexible Customization: We support custom thread pitch, screw length and bronze nut structure according to clients’ engineering drawings.   ✅ Reliable Raw Material: Options include durable GCr15 bearing steel and wear-resistant bronze nuts to extend component service life.   ✅ Fast Lead Time: Standard customized items finish production within 7 working days to shorten your project waiting cycle.   ✅ Convenient Global Shipping: Goods depart from Shanghai Port, supporting flexible sea and air logistics for worldwide buyers.   If your upcoming machinery project requires cost-efficient linear motion parts without ultra-high speed or micron-level positioning needs, trapezoidal lead screws are your optimal pick. Reach out to our engineering team now to get free custom quotation and technical parameter consultation for your equipment design.

In modern CNC machinery, automation production lines and linear guide modules, ball screws act as the core transmission component that converts rotary motion into precise linear movement. Without high-performance ball screws, your automated equipment cannot maintain stable positioning accuracy, smooth operation, or long service life. Today we will introduce our SHUNTAI high-precision left-hand thread ball screw series, covering two mainstream models: 1605 and 4010, with flange single ball nut design, customized non-standard sizes available for diverse industrial machinery demands. What Makes Our Ball Screws Stand Out? Premium Raw Material: GCr15 Bearing Steel All our ball screws are forged from GCr15 bearing steel, a high-strength alloy steel widely recognized in the transmission industry. This material delivers outstanding wear resistance, anti-fatigue performance and structural rigidity, drastically extending the service lifespan of the whole screw assembly even under continuous heavy-load operation. Dual Manufacturing Processes for Custom Needs We supply two production versions to match different budget & precision requirements: Rolled Ball Screws: Cost-effective, stable performance for general automation equipment, mass delivery supported. Ground Ball Screws: Ultra-tight tolerance, superior positioning repeatability, perfect for high-precision CNC devices. Left-Hand Thread + Flange Single Ball Nut Design Our featured left-hand thread configuration solves unique reverse transmission layout requirements that standard right-hand screws cannot satisfy. The integrated flange single ball nut enables easy mounting onto linear slide blocks, saving your mechanical assembly time without complicated auxiliary fixtures. Fast Lead Time & Reliable Logistics Production lead time: 7 working days for standard non-standard custom orders Shipment port: Shanghai, China, with flexible sea/air shipping solutions to global industrial markets Model Breakdown: 1605 VS 4010 Left-Hand Ball Screws 1. Model 4010 Ball Screw (40mm Diameter, 10mm Lead) The 4010 specification represents a screw shaft diameter of 40mm and a travel lead of 10mm per full rotation. Its core advantages include: • Higher rigidity & heavy load capacity thanks to the larger 40mm shaft body • 10mm medium lead: Fast linear travel speed while retaining stable transmission precision • Wide application scope: Large CNC machine tools, heavy-duty automation production lines, large-format linear modules, heavy-load industrial handling equipment 2. Model 1605 Ball Screw (16mm Diameter, 5mm Lead) The 1605 model features a 16mm shaft diameter with a 5mm lead per rotation, the top choice for compact precision machinery: • Compact 16mm diameter: Fits small and medium-sized automated equipment with limited installation space • 5mm small lead: Delivers ultra-fine positioning control, ideal for high-accuracy machining tasks • Superior manufacturing precision: Tighter geometric tolerances compared to large-diameter screw models, perfect for precision inspection instruments, small engraving machines, miniature linear sliding tables Quick Selection Guide • Pick 4010 ball screw: If you run large industrial machines, need heavy load bearing and fast linear moving speed. • Pick 1605 ball screw: If your equipment is compact-sized and demands ultra-high motion accuracy. Where Can You Use SHUNTAI Left-Hand Ball Screws? • Our flange single nut ball screws are universally compatible with all linear guide module systems, extensively applied in: • CNC milling, engraving and cutting machines • Automated assembly production lines • Precision testing and measuring equipment • Robotic linear motion axes • Medical automation machinery • Small & medium precision automation equipment Why Choose SHUNTAI Custom Non-Standard Ball Screws? 1.Custom non-standard sizing: We tailor shaft length, thread length, nut flange size to match your mechanical drawings. 2.Left-hand thread specialized production: We specialize in reverse thread ball screws, a hard-to-source component for many machinery builders. 3.Long service life: GCr15 steel + precise grinding/rolling craft reduces friction loss and lowers your equipment maintenance frequency. 4.Short turnaround: 7-day production cycle cuts your project waiting time compared to generic suppliers. 5.Export-ready supply: All products meet international industrial transmission standards, shipped from Shanghai port with complete export documentation. Get Your Custom Ball Screw Solution Now Whether you need 1605 small precision left-hand ball screws or heavy-duty 4010 flange nut ball screws for your CNC linear modules, our engineering team can offer professional technical support and customized quotation according to your load, precision and layout parameters. Click our consultation button to send your equipment specifications and mechanical drawings, we will reply within 24 hours with a targeted ball screw solution.

When your automated machinery, CNC equipment, or automation production line needs stable, precise rotary-to-linear motion conversion, a high-performance ball screw becomes the core component you cannot compromise on. Shuntai DFU external circulation double nut ball screw is engineered to deliver ultra-smooth, low-noise, long-lasting linear transmission, widely adopted across industrial automation, machining centers, 3C automation, medical equipment, and precision testing machinery. What Is An External Circulation DFU Ball Screw? A ball screw is a mechanical transmission component that converts rotational motion into precise linear motion. It consists of threaded screw shaft and ball circulation nut assembly. Tiny steel balls roll between the screw thread and nut raceway, replacing sliding friction with rolling friction—this drastically cuts friction loss, boosting efficiency and accuracy compared to traditional trapezoidal lead screws. Our DFU external circulation double nut design optimizes the ball circulation path: the external deflector ensures smooth ball recycling without jamming, while the double nut structure enables adjustable preload to eliminate backlash entirely. The final effect: zero clearance movement, quiet operation, and consistent positioning accuracy over thousands of working hours. Core Product Specifications of Shuntai DFU Ball Screw Item Details Product Name DFU External Circulation Double Nut Ball Screw Brand Shuntai Main Raw Material GCr15 bearing steel; Optional stainless steel, alloy steel, carbon steel, aluminum, brass for custom projects Shaft Manufacturing Process Rolled screw shaft / Ground screw shaft Precision Grades Available C3, C5, C7 precision classes to match different accuracy demands Lead Time Standard stock models ship within 7 working days Loading Port Shanghai Port, China MOQ 1 unit sample available for performance testing Packaging Custom export-grade packaging per client requirements Standout Performance Features 1.Zero Backlash & High Rigidity The double nut preload structure fully eliminates axial clearance. The assembly maintains outstanding rigidity under heavy load, ideal for high-speed reciprocating positioning tasks that demand repeat accuracy. 2.Ultra Low Noise Smooth Operation Polished raceway surface and optimized external circulation loop reduce ball collision noise significantly. The whole unit runs quietly even at continuous high operating speeds, suitable for indoor precision equipment and noise-sensitive production workshops. 3.Extended Service Life & High Durability Core components use premium GCr15 bearing steel with strict heat treatment and surface hardening. Uniform load distribution on rolling balls minimizes wear, delivering stable performance for long-term continuous operation. 4.High Positioning Precision We supply three standard precision grades: C7 for general automation, C5 for mid-precision CNC machinery, C3 for ultra-precision lab equipment and high-end machining centers. Every piece goes through full precision inspection before delivery. 5.Customizable OEM Support As a professional OEM ball screw factory, we offer full custom machining: custom screw length, special lead, custom flange shape, modified nut mounting holes, surface anti-rust treatment, and special material matching for corrosive or lightweight working environments. Our Factory Production & Quality Control AdvantagesWe operate a complete precision machining workshop with full production lines covering every processing stage: Cold rolling, CNC grinding, CNC turning, milling, drilling, straightening, and precision finishing. Every ball screw follows a 100% full inspection workflow throughout manufacturing:  Raw material composition test Screw thread precision measurement Nut assembly preload testing Noise & smooth running inspection Surface hardness and anti-rust checkWith abundant in-house inventory of standard DFU ball screw sizes, we guarantee fast, secure export shipping to global clients. Our one-stop OEM service covers custom processing, assembly, and tailored export packaging to avoid damage during long sea or air transit.Common Application ScenariosOur DFU double nut ball screws fit nearly all precision linear motion equipment: CNC machine tools & machining centers Automated production assembly lines 3C electronics testing & processing equipment Medical automation instruments Laser cutting & engraving machinery Automated logistics and lifting platforms Precision laboratory testing equipmentWhy Choose Shuntai DFU External Circulation Ball Screw?✅ Adjustable preload double nut design, no backlash for precise positioning   ✅ Low-noise external circulation structure for smooth high-speed movement   ✅ Multiple precision grades (C3/C5/C7) to fit low to ultra-high accuracy needs   ✅ Multiple material options for standard, corrosion-resistant or lightweight working conditions   ✅ Small MOQ: 1pc sample order supported for pre-production testing   ✅ 7-day fast shipment for standard stock models, flexible OEM customization   ✅ Full in-house quality control, reliable long-term durability   ✅ Export-ready packaging & shipping from Shanghai Port to worldwide destinationsGet Your Custom Ball Screw Solution TodayWhether you need standard size DFU double nut ball screws in stock or fully customized OEM linear transmission parts for your machinery project, our engineering team can provide tailored drawings, technical parameter consultation, and competitive factory direct pricing. Click the consultation button to send us your working load, travel length, precision requirement, and application details—we will reply with a professional solution within 24 hours.

If you’re building 3D printers, small CNC equipment, lab testing machinery, or light-duty automated assembly lines, you’ve likely searched for reliable, affordable linear drive components. Today we’re breaking down our stainless steel trapezoidal lead screws (T5/T6/T8/T10/T12 series) — a top alternative to custom ball screws for low-to-medium load linear movement, manufactured right here in China with strict OEM quality standards. What Makes Our Trapezoidal Lead Screws Stand Out? Our full range T5, T6, T8, T10, T12 trapezoidal lead screws are engineered with stainless steel screw shafts paired with wear-resistant brass nuts, designed for smooth, consistent linear translation. Unlike generic low-grade lead screws on the market, every unit goes through our complete precision machining workflow, mirroring the strict production standards we apply to our custom ball screw lineup. Premium Raw Material Selection • We offer multiple material options to match different working environments: • Stainless steel: Anti-rust, ideal for humid, laboratory or food-adjacent equipment • Alloy steel & carbon steel: High strength for heavier load industrial machinery • Brass & aluminum accessories: Self-lubricating, low noise friction pairing Full Precision Manufacturing Process Every screw undergoes rigorous shaping and finishing via: cold rolling, CNC grinding, turn-milling, precision CNC machining, lathe processing, milling, drilling and straightening machines. This multi-step production eliminates shaft bending, uneven thread pitch and surface burrs — common flaws from simple one-step manufacturing. Consistent Accuracy Grades Our lead screw production follows the same precision control system as our custom ball screws, supporting accuracy classes C3, C5, C7 to meet your tolerance requirements, whether you need ultra-tight positioning for lab instruments or standard precision for hobby automation machines. Key Performance Advantages of Our Lead Screw Assemblies Long Service Life & High Durability The matched stainless steel thread and brass nut combination creates natural self-lubricating friction, reducing wear without frequent oil maintenance. Perfect for long-running unattended equipment like 3D printers. Stable, Vibration-Free Operation Carefully calibrated thread pitch and perfectly straightened screw shafts ensure quiet, smooth movement at low to medium speeds, no jitter or stalling during continuous reciprocating motion. Strong Structural Rigidity & Stable Preload Custom brass nuts (flange type, square mounting block type as shown in our product photo) deliver adjustable preload, eliminating backlash for precise repeat positioning. High Operational Reliability 100% in-house quality inspection throughout every production stage. Every finished screw is tested for straightness, thread consistency and nut fit before packing. Flexible OEM & Custom Service for Global Buyers As a professional OEM linear motion component factory, we tailor every detail to your project specs: Low minimum order quantity: 1 unit available for prototype sample testing Full customization: Custom shaft length, thread pitch, end machining, nut mounting style Custom packaging: Protective anti-rust wrapping and export-grade cartons per your shipping requirements Large in-stock inventory for standard T5-T12 models, fast global shipping with secure packaging to avoid transit damage We don’t only supply standard trapezoidal lead screws — we also produce non-standard custom ball screws with identical strict quality control, supporting small prototype orders and mass industrial bulk orders for distributors, machinery manufacturers and equipment builders worldwide. Common Applications for T5-T12 Trapezoidal Lead Screws Many overseas buyers rely on middlemen for lead screws, paying marked-up prices and facing unpredictable lead times. When you work directly with us: Complete in-house production line from raw material to finished product, no third-party outsourcing Full quality control workflow covering every processing stage to reduce defective rates Flexible OEM modification to match your unique machine design Fast order fulfillment: stocked standard models ship within days, custom orders follow streamlined assembly lines Export-friendly packaging optimized for sea and air freight to prevent surface scratches or bending during delivery Ready to Get Your Lead Screw Samples? Whether you need standard T8 lead screws for 3D printing prototypes or fully customized trapezoidal screw assemblies for industrial equipment, our engineering team can provide tailored solutions and competitive factory-direct pricing. Reach out to us today to request 1-piece test samples, technical dimension drawings, or bulk order quotations.

When your automated machinery struggles with positioning errors, low transmission efficiency or short service life, upgrading to a high-performance ball screw is the most cost-effective solution. Our SFU1605 800mm ball screw assembly, compatible with Hiwin standard specifications, delivers rigid load-bearing, ultra-smooth linear motion and long-term durability for precision equipment. As a professional ball screw manufacturer, Shuntai produces both rolled and ground ball screws made of premium GCr15 bearing steel. Every assembly undergoes strict quality inspection to match international precision standards, ideal for equipment rebuilds and new machine design projects. Item Details Product Name Ball Screw Assembly Model SFU1605, Custom Length Up To 800mm Brand Shuntai Raw Material GCr15 Bearing Steel Production Process Rolled Screw Rod / Ground Screw Rod Key Advantage Extra Long Service Life, Low Friction, High Rigidity Lead Time 7 Days for Standard Orders Shipping Port Shanghai, China What Makes Our SFU1605 Ball Screw Stand Out? 1.Strong Load Sharing & High System Rigidity   The internal ball circulation design evenly distributes axial loads during operation. Unlike ordinary trapezoidal lead screws, our ball screw greatly boosts your machine’s structural rigidity and maximum load capacity, avoiding deformation 2.under heavy working loads. Two Manufacturing Options For Different Precision Needs Rolled Ball Screw: Budget-friendly choice for general automation, fast delivery, stable basic precision for entry-level equipment. Ground Ball Screw: Ultra-tight tolerance grinding process, perfect for high-precision CNC, lab and medical equipment requiring micron-level positioning. 3.GCr15 Bearing Steel Base Material   GCr15 steel features outstanding wear resistance, surface hardness and anti-fatigue performance. It resists abrasion during long-cycle continuous operation, cutting your frequency of part replacement and maintenance costs. 4.Complete Replacement Kit (Screw Rod + Matching Nut)   This full SFU1605 set includes the 800mm threaded rod and paired ball nut, ready for direct installation to replace worn-out Hiwin-style ball screw units. No extra modification work needed for most standard mounting structures. Wide Industrial Applications of Precision Ball Screws Ball screws are the core linear transmission component for any machine requiring precise, high-speed linear movement. Our SFU1605 series serves 5 major global industries: 1. CNC Machine Tools CNC milling, lathe and engraving machines rely on ball screws to achieve exact cutting tool positioning and rapid feed movement. High transmission efficiency reduces motor power consumption while keeping positioning tolerance consistent during long production runs. 2. Industrial & Service Robots Robotic arm joints demand low-friction, high-rigidity motion control. Our ball screws enable smooth, repeatable joint movement for assembly robots, palletizing robots and commercial service robots, guaranteeing accurate repetitive operations. 3. Automotive Manufacturing Equipment Used widely in car seat adjustment mechanisms, electric sunroof actuators, door drive systems and steering position regulators. The ball screw delivers steady, quiet force transmission with reliable long-term positioning performance for mass-produced automotive parts. 4. Aerospace Equipment Aerospace systems need components that balance high precision, stability and temperature resistance. Our ball screws work for adjustable thrust devices, aircraft flap actuators and spacecraft attitude adjustment mechanisms, meeting strict aerospace stability standards. 5. Medical & Surgical Equipment Medical robotics, surgical operating devices and diagnostic machines require ultra-reliable, backlash-free linear motion. Our precision ball screws ensure safe, accurate small-range movements for sensitive medical treatment and inspection equipment. Why Buy Shuntai SFU1605 Ball Screw From Us?   Quick Lead Time: Standard 800mm SFU1605 ball screws ship within 7 working days to shorten your equipment downtime. Flexible Shipping Support: All orders depart from Shanghai Port, with full documentation for smooth customs clearance worldwide. Dual Craft Selection: Choose rolled or ground screw rods based on your precision budget and application demands. Direct Manufacturer Supply: No middleman markup, competitive factory pricing for bulk machine builder orders and small repair batches. Universal Compatibility: SFU1605 size matches mainstream international linear motion standards, simple drop-in replacement for existing Hiwin-style ball screw assemblies. Get Your Custom Ball Screw Solution Today Whether you need a direct replacement for your broken 800mm SFU1605 ball screw, or custom-length precision ground ball screws for a new machine project, our engineering team can provide tailored technical support and quotation. Click the "Inquire Now" button to send your equipment drawing, precision requirements and order quantity. We will reply within 24 hours with detailed technical parameters and cost plans for your industrial linear motion project.