K12 130mm CNC 4th Axis For Router Table Rotary Milling Machine With 30mm Through Hole, 4 Jaw Chuck Dividing Head, 4 To 1 Reduction, Nema 34 Stepper Motor, Built For Pros And Weekend Warriors In The Shop

Single-unit K12 CNC 4th Axis for Router Tables
✔️ 130mm 4-jaw chuck, 4:1 reduction, NEMA 34 motor, 30mm bore

This compact 4th axis adds rotary motion to your router table or small milling setup, enabling cylindrical part machining, contouring, and multi-face operations with repeatable accuracy.

✅ 5M-H100-4-130B model with K12-130mm 4-jaw centring chuck and 100mm center height
✅ Through-hole diameter 30mm; 4:1 reduction via synchronous belt 5M-450; 0.45 degree/step gearing
✅ NEMA 34 stepper motor, 2-phase, 4.5A current, holding torque 4.5 N·m
✅ Dust-proof design with sealed bearings and rust prevention; easy maintenance
✅ Jaw clamp range 3-40mm; jaw base 40-130mm; reverse jaw 40-120mm; mounting M8
✅ Wiring: Red→A+, Green→A-, Yellow→B+, Blue→B-

💡 What is a 4th axis used for in a CNC router setup?

- Handy for turning, contouring, engraving cylindrical parts
- Improves efficiency by reducing multiple setups
- Great for concentric features and curved surfaces
- Ideal for hobbyists and pros expanding capabilities