براغي كتف مقبس مقاس 3/4" × 4 1/4" | رأس مقبس | محرك مقبس | فولاذ سبائكي (10/عبوة)

The precision-ground shoulder on these screws worked perfectly as a bearing surface in my jig. They threaded smoothly into tapped holes without any binding. A solid set of hardware for the price.

I needed a solid pivot for a small mechanical project, and these screws fit perfectly with the precision-ground shoulder providing smooth rotation. The hex socket drive made installation a breeze with just an Allen key.

The precision-ground shoulder on these screws made setting up a jig pivot point feel buttery smooth, and the hex drive seated perfectly without any wobble. Exactly what I needed for a reliable axle in a heavy-duty assembly.