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.