Irwin® 42936 Forstner Bit Extension, 4 in L, 3/8 in Shank
Item #BC096458
Irwin® Forstner Bit Extension, 3/8 in Shank, 4 in Length, Steel, Silver, For Use With: Marples Forstner Drill Bits
- Features a brad point to start the bit cleanly, even on uneven surfaces and extra sharp cutting edges to drill smooth, flat-bottomed holes
- Reduced shank fits 3/8 in and larger drills and drill presses starts the bit cleanly on uneven surfaces
- Made of only the finest materials, manufactured to exacting tolerances
- 3-Flatted shank