M6-1 X 45mm 六角頭螺絲 | 8.8 級鋼 無處理 | 部分螺紋 (400 顆/包)

These threaded all the way up to the head, which made starting them in a tight spot much easier. The hex heads grabbed nicely with a socket and didn't strip under torque.

I needed a heavy-duty bolt for my press jig, and the class 8.8 steel on these handles the torque without stripping at all. The 45mm length was just right for my setup, and the partial threading made for a clean, snug fit through a thick bracket.

The hex head design works perfectly with my socket set, making installation on my equipment quick and straightforward. For 45mm M6 bolts, the 8.8 steel feels plenty sturdy for general assembly work, and getting 400 in a pack is great value.