M42-4.5 x 130mm 六角頭螺絲 | 10.9級鋼 原色 | 部分螺紋 (1入)

The threads are cut clean and the 10.9 grade steel feels reassuringly solid when you torque it down. Partially threaded design made alignment a breeze on our equipment frame, and the hex head seated perfectly with a standard socket.

Bought these for a heavy machinery repair and the hex head grabbed my socket perfectly with zero slipping. The 10.9 grade steel feels solid and the partial threading gave me the grip I needed without extra hardware.

I needed a heavy-duty bolt for a gearbox mount, and the 10.9 grade steel on this M42 held up perfectly under the torque. The hex head gave my socket wrench a solid, no-slip grip during installation.