براغي ذات رأس أسطواني مقاس #8-32 × 3/4" | محرك سداسي | رقعة نايلون | خيط كامل | فولاذ سبائكي مع أسود حراري (200 / عبوة)

Needed a batch of strong cap screws for a jig I was building, and these alloy steel ones with the black oxide finish look and feel really solid. The hex socket drive engaged perfectly with my Allen key, no stripping or wobbling. Only wish the package came with a few spares, but 200 is plenty for my

The nylon patch on these threads is a game-changer—they held snug through a full day of vibration on my jig without backing off a hair. All 200 came out of the box with a clean, uniform black oxide finish, and the hex drive seated nicely on a standard Allen key.

The nylon patch on these screws holds them in place perfectly during assembly, which saved me a ton of time on a jig project. The black oxide finish looks professional and seems durable so far. Exactly what I needed for precision work.