• Complete 3-Piece Countersink Drill Bit: The set includes 3 high-speed steel (HSS) M2 tapered bits in sizes #10, #12, and #14 (1/8", 9/64", 5/32" drills), with a 3/8” 82° counter-bore and a 1/4” hex shank for both a secure grip, a universal compatibility with most drills.
• Depth Adjustable Maximizing Versatility: 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: working 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 control collar, and an Allen wrench are easily accessible for organized and effortless transportation B0CQ6Y6N54