M8-1.25 x 110mm 소켓 캡 볼트 | 버튼 헤드 육각 소켓 드라이브 | 풀 나사산 | 12.9급 합금강 열처리 블랙 옥사이드 (100개/팩)

Installed these on a jig I’m building, and the 12.9 alloy steel feels rock solid. The hex socket drove in smoothly without any cam-out. Exactly what I needed for heavy-duty tooling.

The black oxide finish looks sharp and seems to resist rust well, and the hex socket drive set cleanly without stripping. Threads cut into the steel plate smoothly, so I'd grab another pack of these for future tooling work.

Used these for a jig fixture on my mill and the 12.9 alloy took the torque without a hint of stretch. The fully threaded 110mm length made stacking plates easy, and the black oxide stayed put with cutting fluid splashing around. Bag of 100 means I've got spares for the next few projects, which is al