This set incorporates two drill countersinks and matching plug cutters. Plugs cutters are made from Tool Steel and are very slightly tapered. Use on timber to drill a countersunk hole for a screw which is then plugged uses a plug/pellet made using the plug cutter. Recommended that plug cutters are used in a pillar drill.
|Specifications||No.8 drill/countersink D=3/8 inch D=9.5 mm D2=7/64 inch D2=2.75 mm No.10 drill/countersink D=1/2 inch D=12.7 mm D2=1/8 inch D2=3.2 mm Shank Diameter=1/4 inch hex Screw size=No.8 Screw size=No.10|