Counter sinker bit can drill, countersink, and counterbore in one step to maximize work efficiency. Tapered pilot drill bits for drilling fast, clean pilot hole, ensure tight fit for screws. Quality built depth adjustable counter bore attaches to flats on shank with 2 hex screws for a secure fit and can be adjusted for controlled pilot hole depth.įour ultra-sharp cutter countersink and counter bore chamfer angle 82 degree provide smooth and fast drilling in hard and soft wood. Woodworking countersink bits set feature stop collars for adjusting depth. Universal 1/4 inch hex shank prevents slipping in standard chucks and is compatible with all 1/4 inch quick-change chucks. This counter sinker drill bit set is suitable for hand drill, bench drill and electric drill. Not recommended for metals or steel board. Our Cr-v alloy steel chamfering edge has 40% longer life than carbon steel chamfering edges on the market.ĮZARC hex shank countersink bits are perfect for most woodworking like soft wood, hard wood, fiberboard, plywood, plastic and PVC.
The countersink drill bit for wood is made of industrial grade high-speed steel with nitrided surface, which has better toughness and wear resistance.
#Countersink drill free#
A 3/8" wood plug cutter, A 1/8" free hex key wrench, 2 stop collars.
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