براغي رأس أسطوانية HOLO-KROME 64064 3/8-16 X 1/2" | محرك سداسي برأس زر | فولاذ سبائكي مؤكسد أسود حراري (50 / عبوة)

The black oxide finish on these screws gives them a solid, professional look against my jig’s steel plate, and the hex socket drive made installation effortless with a standard allen key. They seated perfectly in the tapped holes with no binding at all.

These replaced some old socket heads that were stripping out in a machine fixture, and the black oxide finish seems to be holding up better than the original ones did. The 3/8-16 threads fit perfectly into the tapped holes with no binding.

Had a worn-out jig that these button heads fixed up perfectly—the black oxide coating blends right in with the rest of the tooling. They seated flush without any wobble, and the hex drive made installation quick with just a standard allen key. Exactly what I needed for machine repairs.