براغي رأس مقبس 7/16-20 X 1-1/4" | محرك مقبس سداسي | رقعة نايلون | خيط كامل | فولاذ سبائكي أكسيد أسود حراري (100 / عبوة)

The nylon patch on these is a lifesaver for anything with vibration—they held firm on my milling machine's table after a full day of cutting. Finish looks clean and consistent across the whole bag, and the hex drive seated perfectly with no stripped heads.

Used a dozen of these in a jig fixture and they seated perfectly with a clean hex fit—no stripped corners. The nylon patch held them snug even after a few disassemblies, which is exactly what I needed for quick tooling changes.

Installed these into a new fixture build yesterday and the thermal black oxide finish gave them a consistent, tight fit without any galling. The hex socket drive made them easy to torque down, and they held perfectly at 15 ft-lbs.