IRWIN Countersink Drill Bit, Series: Speedbor, Adjustable, 7/64 in Pilot Dia, 1/4 in, 3-3/8 in Overall Length, NO 4 Screw, 1-1/2 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, 7/64 in Pilot Dia, 1/4 in, 3-3/8 in Overall Length, NO 4 Screw, 1-1/2 in Flute Length, 1/4 in Shank, Applicable Materials: Wood, For Drilling Fast, Clean Pilot Holes and Ensures Tight Fit For Screws