IRWIN Countersink Drill Bit, Series: Speedbor, Adjustable, 7/32 in Pilot Dia, 7/16 in, 4-1/2 in Overall Length, NO 12 Screw, 2-1/2 in Flute Length, 1/4 in Shank, Applicable Materials: Wood, For Drilling Fast, Clean Pilot Holes and Ensures Tight Fit For Screws
IRWIN Countersink Drill Bit, Series: Speedbor, Adjustable, 7/32 in Pilot Dia, 7/16 in, 4-1/2 in Overall Length, NO 12 Screw, 2-1/2 in Flute Length, 1/4 in Shank, Applicable Materials: Wood, For Drilling Fast, Clean Pilot Holes and Ensures Tight Fit For Screws