3/8インチ ロングノーズ ラウンドオーバー＆エッジトリムビット – アストラコーティング – ホワイトサイド (2076)

I was a bit nervous about tear-out on my birch plywood, but the sharp Astra coating cut cleanly with zero chipping. Leave a perfectly smooth, crisp edge every time, even on tricky end-grain curves.

Finally bit the bullet on a plunge roundover bit with that flat bottom profile, and it's exactly what I needed for flush trimming edges. The cut feels buttery smooth even in dense maple, and the Astra coating has held up without any discoloration after a few test passes. Great value for the clean fi

The flat bottom on this plunge roundover bit is a game changer—it leaves a clean, even edge without any tear-out, even on tricky grain. The Astra coating kept the cut smooth the whole time, no burning or gunk buildup. I've already used it on three projects and it still feels as sharp as the first pa