Mũi khoan phay 82° bằng thép gió

The 82° angle lines up perfectly with standard screw heads, so my countersinks sit dead flush every time. Cut through oak and soft steel without any chatter or burning. Best set I've owned for the price.

I picked these up for a shelving project and the high-speed steel cut through oak without any chatter. The pilot hole stays centered, so my screw heads sit flush every time. Way better than the dull set I'd been fighting with for years.

The 82° angle is exactly what I needed for flush screw heads, and these cut cleanly through oak without burning. I've used them on a few cabinet builds now and the edges stay sharp.