AUTOTOOLHOME Countersink Drill Bit Set with Adjustable Depth Stop, 5Pcs Carbide Tipped Countersink Bit with1/4" Quick Release Hex Shank for Woodworking Carpentry Pilot Screw Hole Set

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5pcs Countersink Drill Bits: The set includes 5pcs Replaceable HSS M2 tapered bits in sizes3/16”x1/2”, 1/8”x3/8”, 11/64”x1/2”, 5/32”x3/8”, and 9/64”x3/8”drills, with 82° counter-bore ,Widely used for woodworking drilling
Depth Adjustable for Counter sink: Both pilot drill and counterbore depth are adjustable with a frictionless depth stop and wrench included, to achieve accurate drilling. The added frictionless depth control collar can reduce surface marring effectively.
Sharp Carbide Cutting Edges: M2 HSS pilot drill bits with spiral chip flute, ensure rapid cutting; Sharp tungsten steel alloy cutting edges create smooth countersink and counterbore holes, ideal for screws fitting 82-degree imperial (U.S.) standards.
Wide Range of Application: woodworking with natural woods, chipboard, man-made boards, plywood, MDF, aluminum, non-ferrous metals, and decking. For best results and smooth edges, operate the countersink at slow speeds, approximately 200 RPM.
Convenient: stored in a well-padded carrying case, all 3 countersink drill bits, an additional frictionless depth stop collar, and an Allen wrench are easily accessible,easy to carry
The quick-release hex shank design enables effortless bit for drilling and screwdriving, eliminating the need for additional tools and streamlining the process into a single efficient step and saving you valuable time and boosting your efficiency on the go.

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