IDEAL 35-521 Quick Change Step Drill Bit, 1/8″ – 1/2″
- New aggresive split-point tip that lasts longer and starts faster than competition
- High speed tool steel – most durable steel available for cutting tools
- Double-tempered for superior tip life
- Double fluted and blended radius steps for smooth, accurate drilling
- 1/4″ Quick change shank can be used in standard 3-jaw chuck, impact drivers and quick change drill chucks
