60-Piece M42 Cobalt Drill Bit Set with 135-Degree Split Point, Gold Finish, High Speed Steel, Precision Ground for Clean Centering and Lightning-Fast Penetration
✔️ 60-piece M42 cobalt set, NAS 907J, 135° split point.
This 60-piece drill bit set uses M42 cobalt in a high-speed steel base for superior wear resistance and long life when drilling tough metals. Ideal for metalworking shops, fabrication, and DIY projects that demand fast penetration and clean holes.
✅ 60-piece set using M42 cobalt (8% cobalt) for tough metals
✅ NAS 907J cobalt steel base provides consistency
✅ 135-degree split point for accurate centering and fast penetration
✅ Precision-ground point, flutes, body, clearance and diameter for accuracy
💡 What is an M42 cobalt drill bit set best used for in metalworking? This handy set is designed for tough metals and precision holes.
- High wear resistance for stainless steel and hard alloys
- 8% cobalt content boosts tool life in demanding drilling
- 135-degree split point for quick centering and penetration
- Precision-ground geometry ensures accurate hole sizes