M12-1.75 X 25mm 소켓 캡 나사 | 육각 소켓 드라이브 | 풀 스레드 | 8.8급 합금강 열처리 블랙 옥사이드 (100개/팩)

The hex socket drive on these M12 screws fits my torque wrench perfectly, and the black oxide coating looks uniformly applied. They held firmly when I used them to secure a jig fixture on my mill table.

Pulled these out of the package for a jig build and the hex socket drive seated perfectly with no wobble. The thermal black oxide finish gives them a nice, even look, and all 100 threads were clean with zero burrs. Solid value for precision work.

I needed exact M12-1.75 x 25mm cap screws for a jig assembly, and these fit perfectly with no slop in the threads. The hex socket drive felt precise, and the black oxide coating seems durable for shop use.