Countersunk and bury cone value set
[Use]
Drill for screw holes (0.1 inch (3 mm), countertop (0.3 inch (9 mm)), wood plug making (0.4 inch (9 mm)).
Features:
For use with impact drivers and electric drills.
Allows simultaneous drilling of countersunk / screw holes and underneath for countersink removal and embedding
Used to make wooden plugs (wood dowels) with buried cones/embedded holes.
[Precautions]
Do not use with high-speed rotations (over 3,000 rpm) electric tools.