براغي ضبط رأس كوب مخدد M5 × 8 مم | سبائك فولاذية (1000 / عبوة)

The knurled cup point really bites into the shaft, and the hex drive lets me tighten them down without stripping. I've used a full bag on one job and not a single one has failed.

Finally, a set screw with a proper hex socket that doesn't strip at the first sign of torque. The knurled cup point gives a really positive grip during adjustment, which is fantastic for fine-tuning in a tight spot. These M5x8mm screws are exactly what I needed to finish a custom jig.

Installing these on a 3D printer carriage was a breeze thanks to the hex socket drive. The knurled cup points grip the aluminum firmly without slipping. Great value for 1000 pieces.