M20-2.5 x 170mm 外六角螺絲 | 8.8級鋼鍍鋅 | 半牙 (10顆/包)

The hex head on these M20 bolts grabbed my socket perfectly without any slipping, and the zinc plating gave them a clean, corrosion-resistant finish right out of the package. Used them to secure a heavy-duty machine base, and the partial threading made alignment a breeze. Solid hold for the price.

Installed these on a piece of equipment where the partial threading made all the difference, grabbing cleanly without bottoming out. The hex head gave my socket a solid grip, and the zinc coating hasn't shown any rust yet after a few weeks in a damp shop. Just what I needed for a secure heavy-duty f

Used these to mount a heavy jig to my workbench and the hex head gave my socket a solid bite without slipping. The zinc plating looks clean and held up fine against a little moisture from my shop.