IRWIN marples wood drilling Forstner bits are constructed of tough carbon steel to stay sharp and produce precise pocket holes and flat-bottomed (Blind) holes. The ultra-sharp cutting teeth feature optimized angles to cut through hard and soft woods in significantly less time than traditional Forstner bits. With a reduced shank, they fit 3/8-in and larger drills and drill presses. These wood drill bits are ideal for fine woodworking, cabinet-making and more
- IRWIN MARPLES forstner bits drill clean and precise flat-bottomed holes and pocket holes quickly and easily 
- Diameters 3/4-in and smaller: Designed for clean holes Diameters larger than 3/4-in: Teeth designed for clean holes 
- Cutting angles maximize speed of cut 
- Reduced shank fits 3/8-in and larger drills and drill presses