M8-1.25 X 110mm 內六角螺絲 | 圓頭六角驅動 | 全牙 | 12.9 級合金鋼 熱黑氧化 (100 顆/包)

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