Irwin® Forstner Drill Bit, 1/2 in Dia, 3-1/2 in Overall Length, 3/8 in Shank, Cylinder, Reduced, Straight Shank, Right Hand Cutting, Carbon Steel Cutting Edge, Carbon Steel, Bright
- Reduced shank fits 3/8 in and larger drills and drill presses
- Brad point tip starts cleanly on uneven surfaces
- CW spiral angle
- Double spur double cutter point shape