مسامير رأس كبسولية 3/4-10 × 5-1/2" | محرك سداسي | رقعة نايلون | خيط جزئي | فولاذ سبائكي أسود حراري (10 / عبوة)

The nylon patch on these screws holds tight against vibration, which is exactly what I needed for a jig build. The black oxide finish looks clean and professional, and the partially threaded design made alignment much easier.

Finally, a hex socket drive that grips perfectly without any stripping—even holding tight in my jig setup. The thermal black oxide finish seems durable and gives these screws a nice, professional look.

The nylon patch on these 3/4-10 screws is a nice touch, it held them securely in place during assembly without any extra thread locker. I used them for a jig I've been building, and the black oxide finish looks clean and professional.