Push Type 4mm Keyway Broach Tool HSS for CNC Machining, Metric Size Key Slot Cutter, 1 Piece, 6.45 x 171.5 mm, 10.8 mm Correction Height, 9.66 mm Leading Height, Precision Ground Finish

4mm Keyway Broach Tool in HSS for CNC Machining
✔️ 6.45x171.5 mm; correction 10.8 mm; lead 9.66 mm; HSS, precision ground; 1 pc

Constructed from high-speed steel, this push-type broach is designed to cut precise 4mm keyways in shafts and hubs during CNC milling and manual machining. It suits metric-size key slots in gears, pulleys, and sleeves, delivering clean, reliable cuts for torque transmission.

✅ 4mm keyway broach size suited for metric slots
✅ Material: high-speed steel (HSS) for wear resistance
✅ Size and features: 6.45 x 171.5 mm with correction 10.8 mm and lead 9.66 mm
✅ Finish: precision ground for tight tolerances

💡 What is a 4mm keyway broach tool used for in CNC machining and how does it benefit shaft key slots?

This handy tool creates precise, clean keyways in shafts and hubs for secure torque transmission.

- enhances 4mm keyways in shafts and hubs for secure torque transmission
- compatible with metric key slot cutters in CNC and manual machining
- durable HSS broach with precision ground finish for consistent cuts
✝️