Replacement Countersinks with Slow Spiral Drills
55275 Replacement Carbide Tipped Countersink with Slow Spiral HSS M2 Drill for #8 Size Screw 11/64 Drill Dia x 1/4 Hex Shank for #55240 Adjustable No-Thrust Countersink
Drill pilot hole and tapered countersink for wood screws. Carbide tipped for long lasting results in hard wood, plywood, plastics, etc.