shengbenhao Countersink Drill Bit Set, 5Pcs Quick Change 1/4" Hex Shank Adjustable Countersink Set, 5pcs Free Replaceable Drill Bits w

5Pcs Quick Change 1/4" Hex Shank Adjustable Countersink Drill Bit Set Made of premium quality high speed steel (HSS) providing long cutting life Drill a pilot hole and countersink for the head of the screw or counterbore for the plug in one step Precision machined and quick change chucks, work with impact drills, and other power tools designed to accept a 1/4'' hex shank. Thread Standard of 82° 82° countersink angle matches the angle on the head of most screws you might encounter. This countersink Set will have all surfaces of the screw head make contact with the wood at the same time and with an equal amount of force. You won’t need to forcibly elongate the countersink by overdriving the screw. Doubled Tool Life 5pcs Free Replaceable Drill Bits are depth-adjustable and removable for easy cleaning and replacement. Worn-out or blunt drill bits can be easily readily replaced. One L- Wrench Hex Screw Better fixation of the drill bit, to prevent dislodgement or falling off

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