براغي سوكيت سيت HOlO-KROME 32248 5/8-11 X 1-3/4" بنقطة كوب | فولاذ سبائكي مؤكسد أسود حراري (25 / عبوة)

Installed these on a conveyor roller shaft and the cup point really bit in solidly—no slipping after a week of heavy use. The black oxide finish is holding up well too, no rust yet even with some coolant splashes.

The hex key fit was tight and precise, no wobble. I used these to secure a pulley on a motor shaft and the cup point held firm. Only wish the package had a few more for the price.

The cup point bites into the shaft nicely and holds firm, and the black oxide finish looks clean out of the package. I just wish the hex socket felt slightly deeper for easier engagement when working in tight spots, but they do the job fine.