HOLO-KROME 77556 براغي رأس مقبس 1/2-20 × 6 بوصة | محرك مقبس سداسي | فولاذ سبيكة معالج بأكسيد أسود حراري (25 / عبوة)

The thermal black oxide finish on these socket cap screws gave them a solid, grippy feel when installing them into my tooling jig. They seated perfectly with the hex drive, no stripping or wobble at all.

These 1/2-20 x 6" screws worked perfectly for reinforcing my bench vise, and the hex socket drive made installation a breeze even in tight spots. The black oxide coating seems durable and hasn't scratched during tightening. Exactly what I needed for heavy-duty tooling.

The black oxide finish on these screws gives them a nice, professional look and seems like it will resist rust well in my shop setup. I used them to bolt down a heavy-duty jig and the 6-inch length was exactly what I needed to reach through the framework. They threaded in smoothly without any bindin