Premium 20mm Ball Screw With Long Pitch 40mm Lead, 1160mm Length, Includes Nut, BK15 End Supports, Flexible Coupler, Nut Housing, And Motor Bracket For Nema 34 Stepper Motor, Perfect For CNC Routers And Precise Motion Upgrades

High-Precision 20mm Ball Screw with 40mm Lead Kit
✔️ 1160mm total length with nut, BK15/BF15 end supports, motor bracket

The ball screw assembly is a high-precision linear motion component designed for CNC routers, milling machines, and automation systems. This kit combines a 20mm diameter screw with a 40mm lead, a compatible nut, BK15/BF15 end supports, a flexible coupling, nut housing, and a motor bracket for a Nema 34 stepper.

✅ Ball screw diameter 20mm with 40mm lead for fast, precise travel
✅ Total length 1160mm (45.67 inches) with nut housing and motor bracket included
✅ BK15/BF15 end supports with locknuts and circlips included
✅ High-precision C7 grade, GCr15 steel construction, low friction
✅ Flexible coupling included; end machining options available
✅ Works with Nema 34 stepper motors; aligned transmission improves accuracy

💡 What is a ball screw system used for in CNC routers and precise motion upgrades?

Ball screws are handy for converting rotary motion to precise linear travel. - High rigidity and low backlash for repeatable positioning
- Handy for CNC routers, mills, laser cutters and automation
- Easy integration with end supports, motor brackets, and couplings
- Customizable lengths and end machining to fit your machine