براغي رأس مقبس 9/16-18 X 2 بوصة | محرك سداسي | ملولبة بالكامل | سبيكة فولاذ أكسيد أسود حراري (50 / عبوة)

I needed a solid batch for a heavy jig fixture, and the black oxide finish on these held up perfectly under repeated tightening. The threads chased in cleanly without any binding.

The hex socket drive on these screws grabbed perfectly with my Allen wrench, no stripping at all. They worked great for securing a jig fixture on my drill press. The thermal black oxide finish gives them a clean, professional look that resists surface rust so far.

I needed a batch of strong, precise fasteners for a custom jig I was building, and the fully threaded body on these let me get a solid grip without bottoming out. The black oxide coating looks clean and should resist rust better than my usual zinc-plated stuff.