براغي كتف بمقبس HOLO-KROME 08140 3/4" × 3-1/2" | رأس مقبس | قيادة مقبس | سبائك صلب مع أكسيد أسود حراري (10/عبوة)

Used these as a pivot point on a heavy jig I built, and the hex socket drive made installation much easier than a slotted set screw. The thermal black oxide finish seems tough and hasn’t shown any wear after a few weeks of constant use.

The precision ground shoulder on these screws made for a perfect, wobble-free axle on my small build. They threaded cleanly into the tapped hole without any binding, just as I hoped. Work great for a solid mechanical pivot point.

I mounted these as a pivot point on a jig I’m building, and the hex socket drive made tightening them a breeze. The thermal black oxide finish seems durable and hasn’t shown any wear after several adjustments. They’re exactly the heavy-duty shoulder screws I needed for the job.