HOLO-KROME 730000891 #10-32 X 2-3/4" 內六角螺絲 | 內六角驅動 | 合金鋼 熱處理黑氧化物 (100 顆/包)

The threads on these #10-32 screws engage perfectly every time, and the thermal black oxide finish has held up through a few weeks of shop use without a hint of rust. They're the right length for my jig builds, and the hex socket drive makes tightening in tight spots a breeze. Exactly what I needed

The black oxide finish is flawless across all 100 pieces, no burrs or rough threads on a single one. I’ve torqued a few into a steel fixture and they seat cleanly with the hex drive biting perfectly.

Used these on a jig I'm building and the black oxide finish held up nicely against a little oil and chips. Threads started clean with no binding in my tapped holes.