ชุดดอกสว่านคว้านเกลียวแบบมีคมตัด

Bored a shelf-pin project in oak and the counterbore left a perfectly flat recess for the plug every time. Having the common screw and bolt sizes all in one set meant I stopped digging through my drawer for the right bit. Clean holes, no tear-out.

Opened the box and the bits feel solid right out of the case—the sizes cover all the common screws I use daily, and they cut clean, chips-free holes in oak plywood on the first try. My only tiny gripe is the case latch is a bit stiff, but that’s nothing compared to how precise these sit flush every

My workshop’s been needing a proper counterbore set for ages, and these cut through oak like butter while keeping the holes perfectly centered for flush screw seating. The variety of common sizes means I haven’t had to dig for a single bolt fit since they arrived.