Diablo FB-003 Round Shank Forstner Drill Bit, Steel, 1/2" x 3-1/2" Foot 24 big roll package is

24 big roll package is 2X stronger and is equal to 36 regular rolls

Thread Size: 1-14

Non-drip blue gel clings to surfaces

Block resistant

Air Consumption (60 cycles per min

Diablo FB-003 Round Shank Forstner Drill Bit, Steel, 1/2" x 3-1/2" Foot 24 big roll package isHighlights: Material : Steel Shank type : Round shank Drill bit diameter : 1 2" Dril bit length : 3 1 2" Shank diameter : 1 4" Chuck size : 3 8" Drills holes in all types of wood without splintering Forged construction, hardened steel body for an extended life and a sharp cutting edge Steep, angled cutting edges produce smooth, flat holes and create chisel like curls for fast, clean chip removal