12mm CNC Ballscrew Kit SFU1204 RM1204 Anti Backlash Ball Screw 500mm Length With Nut End Supports BK BF10 Coupler Nut Housing And Motor Bracket For Nema 23 Stepper Motor Beefed Up For Your CNC Rig
✔️ 1 pc kit with nut, BK10 end supports, coupler, motor bracket
This high-precision 12 mm diameter ballscrew kit is built for CNC rigs where precise, repeatable motion matters. It’s ideal for small-to-mid-size milling machines, router tables, laser engravers, and 3D printers. The package includes SFU1204 RM1204 ball screw, one nut, BK10/BF10 end supports with locknuts and circlips, a motor bracket for NEMA 23, a 5 mm bore coupler, and a ball screw nut housing. Overall length is 500 mm (19.69 in). Travel length can be tuned by your setup; other lengths are available on request. Lead time is 7-10 business days if not FBA.
✅ Ball screw diameter: 12 mm
✅ Lead: 4 mm
✅ Overall length: 500 mm (19.69 in)
✅ Material: GCr15 steel, high hardness
✅ Precision: C7 grade (C5 available on request)
✅ Includes BK10 end supports, motor bracket, nut housing, and 5 mm coupler bore
💡 What is a 12 mm SFU1204 CNC ballscrew kit used for in precise hobby CNC builds? This handy drive train translates rotation into accurate linear motion for small to mid-size machines.
- It provides precise, repeatable motion with minimal backlash
- It supports high-speed moves and fine micro-feeding for mills, routers, or 3D printers
- It includes end supports and motor bracket for easy mounting on a NEMA 23 motor