Features:-The set also includes 5 countersunk drill bits, 5 replaceable high-speed steel twist drill bits (2.5/2.8/3/3.2/3.5mm) and 7 Allen wrenches.-The 90° countersunk drill head is designed for concealed screw countersunk installation.-The drill bit is easily removable for cleaning and replacement. The spiral-grooved center drill bit quickly removes drilling debris, effectively preventing accumulation and improving drilling efficiency.-Wear resistance, stability, durability, fast drilling speed and can withstand high-intensity use.-The hexagonal shank is suitable for most standard electric drills, hand drills, bench drills and other equipment.-Suitable for most materials such as cork, hardwood, pine, beech, fiberboard, plywood, plastic, polyvinyl chlo.
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