- No center punch or pilot hole required
- Rounder, more accurate holes
- Faster penetration
- Drills tough alloys
- Added strength against breakage
KnKut Stub Length (Screw Machine) Performance Drill Bits feature a special Hi-Molybdenum tool steel. Gold Surface treated body and clearance for maximum lubricity. Heavy duty construction, 135 degree split point, no center punch needed - will not walk. Recommended for work hardening grades of stainless steel and other hard metal drilling applications.