Replacement Countersinks with Slow Spiral Drills
55276 Replacement Carbide Tipped Countersink with Slow Spiral HSS M2 Drill for #10 Size Screw 3/16 Drill Dia x 1/4 Hex Shank for #55242 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.