براغي رأس أسطواني بمفتاح سداسي 1/2-13 × 6" | محرك سداسي داخلي | حبيبة نايلون | سنام جزئي | فولاذ سبائكي مؤكسد أسود حراريًا (25/عبوة)

The hex socket drive on these screws lets me use a hex key without stripping the head, and the thermal black oxide finish feels tough. They fit perfectly into my jig setup with no wobble, and the 6-inch length gave me just the right reach. Exactly what I needed for precision assemblies.

The nylon pellet in these screws locks them in place under vibration way better than plain threads, which I really needed for a jig that sees constant use. The 6" length with partial threading gave me plenty of grip without bottoming out, and the hex socket drive made torquing them down in tight spo

The black oxide coating is holding up nicely on these screws, and the nylon pellet is a nice touch for locking them in place on my jig setup. Threads cut clean and the hex socket drives true without any wobble.