If you want screw heads to sit cleanly and consistently, the Mozeyerh 5 Pcs Countersink Drill Bit Set pairs pilot drilling with 82° counter-boring in one setup. Each bit features an adjustable depth stop so you can repeat the same hole depth across a project—helpful for cabinetry, decking, and general shop work.
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The set includes HSS M2 tapered-head pilot drills (1/8″, 9/64″, 5/32″, 11/64″, 3/16″) matched to 82° counter-bores (3/8″ and 1/2″). A 1/4″ hex shank provides broad compatibility with most drills, while the included plastic collar is designed to reduce surface marring. For best results, use slow countersink speeds (about 200 RPM) to help produce smoother edges.
5-piece set with HSS M2 tapered-head pilot drills and 82° counter-bores (3/8″ and 1/2″)
Adjustable pilot drill and counterbore depth via depth stop (Allen wrench included)
1/4″ hex shank for a secure grip and wide drill compatibility
Plastic collar designed to reduce surface marring during use
Compact carrying case; suitable for woods, sheet goods, drywall, and plastic boards
What you get: 5 countersink drill bits, an extra plastic collar, an Allen wrench, and a small carrying case for storage and transport.
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