M8 X 18mm 凹肩螺絲 | 凹頭 | 六角驅動 | 合金鋼 (100入/包)

Used a few of these as pivot points on a jig I built, and the hex socket drive made installation a breeze with no stripping. The shoulder is smooth and consistent across all 100 pieces, which is exactly what I needed for precise alignment.

The precision-ground shoulder on these M8 screws is incredibly smooth, making them perfect for my jig's sliding mechanism. They fit snugly into the bearing surfaces without any wobble, and the hex socket drive made installation a breeze. Exactly what I needed for a durable pivot point.

I used these as pivot pins for a custom jig build and the hex socket drive made installation a breeze. The 18mm length was exactly what I needed for my bearing surfaces.