M8 x 10mm 內六角肩螺絲 | 內六角頭 | 內六角驅動 | 合金鋼 (25件/包)

I needed some shoulder screws for a jig's pivot point, and these M8s fit the precision-ground shoulder perfectly. The hex drive seated cleanly without any wobble, and all 25 pieces were consistent.

My old pivot bolts always wore down, but these precision-ground shoulders slide smoothly as bearing surfaces. Installed three already as axle replacements on a jig I built, and the hex drive seated perfectly without stripping.

These shoulder screws worked perfectly as pivot pins for a small mechanism I’m building; the precision-ground shoulder really does run smooth against the bearing surface. The hex socket drive made tightening them a breeze with just an Allen key. Solid alloy steel, too, and the 25-pack will last me a