HOLO-KROME 720000530 براغي رأس مقبس مقاس #8-32 × 5/16" | محرك مقبس سداسي | فولاذ سبائكي مع أكسيد أسود حراري (100 / عبوة)

The black oxide finish gives these a nice uniform look, and the socket drive seats perfectly with my hex keys—no rounding on the first few I’ve torqued down. At a hundred pieces for this price, they’re a solid buy for general shop hardware.

Installing these into my latest jig build was a pleasure — the hex socket seated perfectly and I had no cam-out issues. Exactly the right size for small precision assemblies, and the whole pack was consistently finished.

The black oxide finish on these #8-32 screws gives them a nice, uniform look that resists scuffing during assembly. I used them to secure a jig on my drill press and the hex socket drive made installation quick with a ball-end driver. For a hundred pack of alloy steel fasteners this price feels like