براغي رأس أسطواني مقاس 7/16-14 × 1-1/2 بوصة | محرك سداسي | رقعة نايلون | ملولبة بالكامل | فولاذ سبائكي أسود حراري (100 / عبوة)

The nylon patch on these is a nice touch—they’ve held firm on my jig setup without any loosening after a full day of vibration. Black oxide finish looks clean and went on smoothly with a hex wrench.

Needed a solid batch for my jig fixtures and these came with the nylon patch already applied, which is a huge timesaver since I don’t have to mess with thread locker. The thermal black oxide finish looks clean and the hex sockets seated perfectly on my torque wrench. For 100 pieces at this price, th

The nylon patch holds them snug once torqued, so no loosening on my jig after a full shift. Finish is uniform and the threads cut clean, though the black oxide does streak a bit if you handle them with oily fingers.