براغي تثبيت بمقبس سداسي من النايلون 1/4-28 × 3/4 بوصة، رأس كروي، فولاذ سبائكي (100/عبوة)

The hex socket drive let me torque these down in a spot my wrench couldn't reach, and the nylon pellet cup held firm without marring the shaft. Packed a hundred in one box, which is more than enough for my project and then some.

I needed a batch that could handle repeated adjustments without stripping, and the alloy steel construction on these set screws feels rock-solid. The nylon pellet cup point grips the shaft firmly without marring the surface, which is exactly what I was after for my precision jig.

Finally, a set screw that doesn't back out on me—the hex socket drive let me really torque it down in a tight spot. The alloy steel feels solid, and the nylon pellet cup point grips just right without marring the shaft.