براغي مقبس نقطة كلب كاملة بقياس 7/16-14 × 3/4 بوصة | سبيكة فولاذ (250 / عبوة)

Finally found set screws that actually stay tight under vibration; the hex socket drive makes installation a breeze even in tight spots.

The full dog point on these set screws really locks into place without walking out under heavy vibration. Gave a tight hex socket fit, so I could torque them down confidently in a cramped spot. Exactly what we needed for a tough machinery repair.

I was worried about stripping the hex socket on cheap setscrews, but these handled full torque without issue on a heavy-duty adjustment screw. The full dog point seated perfectly in the mating hole, and the alloy steel feels tough.