モーターアーバー - 1/2" スムースメス→1/2" ネジ/エクストラロング/左回転 アメリカ製

This arbor’s extended length made mounting my grinding wheel much easier than with standard short arbors. The left-turn thread worked perfectly on my grinder, and the machined fit feels solid.

I needed a left-turn arbor for a specific project and this extended-length 1/2" threaded one fit the bill perfectly—the smooth female end connected without any wobble. Worked great on my bench grinder, no issues at all.

The left-turn thread on this arbor was exactly what I needed for my grinder setup, and the 1/2" smooth female end fit snug without any wobble. It's solidly built and saved me from having to rig up adapters.