Countersink Drill Bit Set - HSS M2 Counter Sink Adjustable Depth Drill Bit for US Wood Screw, 1/8" 9/64" 5/32" 11/64" 3/16" 82° Counter-Bore

1. Wide Application: Suitable for natural wood, particle board, man-made boards, plywood, medium density fibreboard, decorative boards, drywall and all kinds of plastic boards 2. Set Size: The set includes 5pcs HSS M2 bits tapered head in sizes 1/8", 9/64", 5/32" drills+ 3/8” 82° counter-bore and 11/64" ,3/16" drills+ 1/2" 82° counter bore and a 1/4” hex shank for both a secure grip and a universal compatibility with most drills. The recommned speed is 2000-5000RPM 3. Sharper: M2 HSS drill with helical cutting edge ensures fast cutting; sharp cutting edge produces smooth countersunk holes, ideal for screws conforming to the 82 degree imperial (US) standard 4. Depth Adjustable : Hexagon socket screw fixing slot, can be adjusted according to the height required, easy to adjust the depth and diameter of the countersunk hole. The added plastics collar can reduce surface marring effectively 5. Good limiting effect: The limiting ring is set with rectangular holes, which can effectively discharge chips quickly. Equipped with free rotating ring, which makes the machining surface free from damage and scratches

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