3-1/2" overall length, 1-1/8" diameter, .375" round shankBores precision holes at any angleExtra sharp cutting edges drill smooth, flat-bottomed holesFit 3/8" drills and drill presses
Irwin 42918 Forstner Drill BitsIrwin 42918 Forstner Drill Bits Features: Reduced shank fits 3/8" and larger drills and drill presses Starts the bit cleanly on uneven surfaces Diameter: 1-1/8" Shank Size: 3/8" Bores precision holes at any angle Extra sharp cutting edges drill smooth, flat-bottomed holes Fit 3/8" drills and drill presses Carded 42904: 1/4" diameter
Brand: Irwin Tools, Model: 42918