بتة كيهول 3/8 بوصة × ساق 1/2 بوصة – Whiteside 3051 (مطلية AstraHP)

I needed a bit that would hold up to MDF without dulling too fast, and this coated version has been a real workhorse—the AstraHP finish shows virtually no wear after a couple dozen slots. The 1/2-inch shank gave my router a nice solid grip with barely any vibration.

Cut a perfect set of keyhole slots for hanging a heavy mirror, and the 3/8" diameter left a clean, tight fit that grabbed the screw heads without any wobble. The AstraHP coating seems to be doing its job—the bit came out looking nearly as fresh as it went in, and I didn't have to fight any burning o

The 1/2-inch shank locked into my router collet without any wobble, and the 3/8-inch cut was razor-sharp on oak from the first pass. I’ve hung three cabinets now, and the slots are clean, tight, and perfectly consistent. This bit’s got the stiffness you want for production work, not just a one-off p