In modern industrial automation and CNC manufacturing, precise, stable conversion between rotary motion and linear movement directly determines the machining accuracy and service life of your equipment. As a core transmission component, high-grade ball screws have become an indispensable part of machine tools, automation equipment, and industrial machinery. Today we’ll dive into our hot-selling 6310 precision ball screws with C3 & C5 accuracy grades, engineered exclusively for CNC machine tools, and break down why manufacturers worldwide choose our Shuntai ball screws for their production lines. What Is A Ball Screw? A ball screw is a mechanical component that converts rotary motion into smooth linear motion. It consists of screw threads and a ball recirculation track. Tiny steel balls roll between the screw thread and nut track, minimizing sliding friction. Compared with traditional lead screws, ball screws deliver lower friction loss, higher transmission efficiency, and far more consistent movement. This core advantage makes them the top pick for high-precision CNC lathes, milling machines, machining centers, and other industrial machinery that demands strict positioning accuracy. Core Specifications of Our Shuntai Precision Ball Screws Item Details Product Name Precision Ball Screw Brand Shuntai Standard Model 6310 (Custom sizes available) Main Raw Material GCr15 bearing steel; stainless steel, alloy steel, carbon steel, aluminum & brass optional Manufacturing Process Rolled screw shaft, CNC grinding, cold rolling, precision turning, straightening, etc. Accuracy Classes C3 / C5 / C7 Standard Diameter Range 5mm – 65mm Standard Lead Range 3mm – 300mm Custom Length Range 10mm – 6000mm Lead Time 7 days for standard models Shipment Port Shanghai Port, China End Machining Customized per client drawings & requirements Packaging Custom export-grade protective packaging Outstanding Performance Features 1.Ultra-High Precision Our C3 and C5 precision grades meet strict CNC machine tool tolerance standards. Tight manufacturing control ensures minimal positioning error, supporting ultra-precise cutting, drilling, and milling tasks. 2.Long Service Life & High Durability We adopt premium GCr15 bearing steel with professional heat treatment and grinding processes. The recirculating ball design reduces component wear drastically, lowering your long-term equipment maintenance and replacement costs. 3.High Rigidity with Adjustable Preload Built-in preload structure eliminates backlash effectively. The screw assembly maintains stable rigidity under heavy cutting loads, avoiding position deviation during high-load CNC operations. 4.Smooth, Low-Noise Operation Rolling contact of steel balls cuts friction resistance greatly. Your CNC equipment runs quieter with less vibration, improving both machining surface finish and workshop working conditions. 5.Excellent Reliability for Continuous Production Each ball screw undergoes multi-step quality inspection during production. It supports long-hour uninterrupted operation, perfectly matching mass-production CNC workshops. Production Workflow: Strict Control For Stable Quality Every Shuntai ball screw goes through a complete standardized production workflow to guarantee consistent performance: Cold rolling → CNC turning → Precision milling → Thread grinding → Straightening → Nut assembly → Accuracy testing → Surface finishing → Custom end machining → Export packaging We deploy professional grinders, lathes, and straightening machines at every production stage to eliminate dimensional deviation, ensuring every batch meets the stated C3/C5 precision standards. Wide Application Scenarios Our C3/C5 6310 precision ball screws are primarily optimized for all types of CNC machine tools, including: CNC Lathes & CNC Milling Machines Vertical & Horizontal Machining Centers Drilling & Boring Machine Tools Automated Industrial Linear Stages Custom Automation Equipment We also provide customized ball screws for robotics, packaging machinery, and semiconductor processing equipment upon request. Why Choose Shuntai Ball Screws For Your CNC Business? Cost-Effective Hot-Selling Standard Models Our 6310 C3 & C5 ball screws are mass-produced, balancing premium precision and competitive factory-direct pricing, helping you cut component procurement costs without sacrificing quality. Flexible Customization Support Beyond our standard 5–65mm diameter range, we customize screw length, lead, end machining, and material based on your unique machine design drawings. We also offer C7 general-grade ball screws for low-precision equipment. Fast Global Delivery Support