1/2インチ オーバルエッジルータービット – Whiteside 1474（AstraHPコーティング）

I was a bit skeptical about the coating at first, but this bit has stayed noticeably cooler and cleaner through several oak edge routings. It leaves a glass-smooth finish with no burning, even at a steady feed rate.

The AstraHP coating really stood out during my first run—the bit slid through oak without any burn marks, even at a steady feed rate. I’ve had cheaper bits gum up in minutes, but this one stayed clean for the whole project.

Used this bit to put a nice oval profile on some walnut shelves, and it left a glass-smooth finish right out of the box. The AstraHP coating seemed to keep the carbide cool even during long passes, which saved me from stopping to clean off pitch mid-cut.