براغي رأس مقبس 5/8-11 × 2 بوصة | رأس مسطح بمقبس سداسي | ملولبة بالكامل | سبائك فولاذية بأكسيد أسود حراري (50 / عبوة)

Pulled these out of the package and the black oxide finish looks much cleaner than the cheap zinc ones I've used before. The hex socket seated perfectly on my driver with no wobble, and they threaded into my jig plate smoothly without binding once. Exactly what I needed for a sturdy assembly that wo

I needed some heavy-duty fasteners for a press fixture I'm building, and it's great that these are fully threaded with alloy steel so the grip is solid all the way through. The hex socket drive made installation a breeze with a standard Allen key, no stripping issues at all.

The hex socket drive made tightening these into tight spaces on my tooling fixture much easier than using a wrench. The black oxide finish also seems more durable than standard zinc plating.