HOLO-KROME 76356 M12-1.75 X 20mm 소켓 캡 나사 | 육각 소켓 드라이브 | 합금강 열처리 블랙 옥사이드 (100 / 팩)

I needed some solid M12 bolts for a jig I was building, and these fit perfectly with no binding in the threaded holes. The black oxide coating seems durable and hasn't chipped during assembly.

I needed some strong bolts for a jig I was building, and these M12s fit perfectly with the 20mm length. The hex socket drive made tightening them into tight spaces much easier than a normal hex head would have been.

The black oxide finish on these screws looks sharp and even across all 100 pieces, and the socket drive is crisp enough that my hex key seated cleanly every time. I used them to bolt down a steel fixture plate and they torqued up without any signs of stripping. Exactly what I needed for precision wo