براغي كتف مقبس HOLO-KROME 09015 8mm X 40mm | رأس مقبس | محرك مقبس | فولاد سبائكي مؤكسد حراري أسود (25 / عبوة)

These are the third set I've ordered for jigs and fixtures, and the hex socket drive makes seating them in tight spots a breeze. The thermal black oxide finish has held up nicely against the shop grime.

The precision-ground shoulder is exactly why I grabbed these for a bearing surface on a jig I’m building—no wobble at all. The black oxide finish also seems tougher than the bare steel screws I’ve used before.

I’ve been using these as pivot pins for a jig I’m building, and the hex socket drive makes installation effortless with a T-handle. The black oxide finish has held up well so far, no issues with rust or wear after a few weeks of use.