EZARC Countersink Drill Bit Set, 22PCS Counter Sink Drill Bit for Wood with Self Centering Drill Bits, Wood Plug Cutters,Screwdriver Bits, Magnetic Extension Bit Holder, 1/4" Hex Shank & Storage Box

【Complete 22-Piece Set】EZARC countersink drill bit set includes 5pcs tapered countersink drill bits (#4, #6, #8, #10, #12), 3pcs self centering drill bits (#6, #8, #10), 3pcs replaceable HSS drill bits, 2pcs wood plug cutters (3/8", 1/2"), 4pcs S2 screwdriver bits, 2pcs depth stop rings (3/8", 1/2"), 2pcs hex keys, and 1pc magnetic extension bit holder, all neatly packed in a durable storage case. 【Fast & Clean Countersinking】4-Cutter chamfer countersink drill bits with M2 HSS and nitrided treatment ensure smooth cutting, less vibration, and a clean 82° finish. Efficient for softwood and hardwood (avoid prolonged use on hard wood). 【Precision Self Centering Drill Bits】Each self centering drill bit is engineered with a bevel guide, spring-loaded alignment, and dual side openings for accurate, no-wobble drilling. Steel housing with black zinc and brass guide ensures durability for hinges and hardware. 【All-in-One Drilling Solution】Drill, countersink, and counterbore in one step. Depth stop rings ensure consistent depth; knurled screws allow fast HSS bit replacement-perfect for repetitive or professional tasks. 【Wide Application for Pros & DIY】1/4" hex shank fits impact drivers, power drills, and bench drills. Ideal for cabinetry, hinges, drawer slides, shelf brackets, and furniture-use self centering bits for alignment, then countersink bits for deeper pilot holes.