براغي تثبيت سوكيت برأس كوب 3/8-24 X 7/16" | فولاذ سبائكي مطلي بالزنك (250 / عبوة)

Used a dozen of these today to lock down a collar on a hydraulic cylinder, and the cup point bites hard enough that I didn't need a second wrench. The zinc plating held up fine against my oily fingers, no rust specks yet. For the price per piece, I'm stocked for the next two years.

Installing these on a set of collars and the hex socket drive gave me a solid grip even in a cramped area. The cup point bit in nicely without marring the shaft, which was my main concern. Zinc plating looks clean and should hold up fine in my tool cabinet.

These cup point screws definitely lock tight with that hex socket drive—installed a bunch on a machine guard today and not a single one slipped. The zinc plating seems like it'll hold up well against grime in the shop. A solid pack for the price.