HOLO-KROME 72376 1-8 X 3" براغي رأس مقبس سداسي | محرك سداسي | فولاذ سبائكي مع أكسيد أسود حراري (10 / عبوة)

I needed some long socket cap screws for a jig I was building, and these 1-8 x 3" alloy steel ones threaded in perfectly without any binding. The black oxide finish seems durable enough for repeated adjustments.

The black oxide finish on these screws makes them look incredibly clean and seem to resist scuffs perfectly during assembly on my jig. The hex socket drive gripped firmly without stripping, and the alloy steel feels rock solid for heavy machinery use. Exactly what I needed for precision work.

The black oxide finish on these screws feels durable and professional, and they threaded perfectly into my tooling fixture without any binding. Exactly what I needed for a precision assembly.