M8-1.25 X 75mm ソケットキャップスクリュー | フラットヘッド六角ソケットドライブ | 部分ねじ | クラス12.9合金鋼亜鉛メッキ (100 / パッケージ)

Zinc plating held up nicely during assembly, and the partial threading made aligning them in my jig way easier than fully threaded bolts. Solid 12.9 steel, these are going to outlast the fixture they're holding.

The hex socket drive seated perfectly on my driver without any wobble, and the zinc plating looks uniform across all 100 pieces. Threads were clean and engaged smoothly into my jig plates right out of the bag.

I needed them for a tooling fixture, and the 75mm length was spot on for the depth I had to reach. The zinc plating gives a nice, consistent finish that held up well under the wrench.