HOLO-KROME 08134 3/4" X 2-1/2" براغي كتف مقبس | رأس مقبس | محرك مقبس | سبيكة فولاذية أكسيد أسود حراري (10 / عبوة)

I used these as a pivot point for a heavy industrial jig, and the hex drive made installation straightforward. The black oxide finish looks durable and hasn't shown any wear after a week of constant use.

The precision-ground shoulder fit perfectly as a pivot point for my jig — no wobble at all. These screws feel solid, and the black oxide finish hasn't shown any wear after a weekend of heavy use.

I needed a durable pivot for a custom jig, and these shoulder screws fit the 3/4" bore perfectly. The hex socket drive made installation straightforward with just an Allen key, and the thermal black oxide finish feels solid and corrosion-resistant.