براغي رأس مقبس #8-36 × 7/16" | محرك سداسي برأس مسطح | خيط كامل | فولاذ سبائكي مع أكسيد أسود حراري (400 / عبوة)

I needed a solid batch for some jig fixtures, and the black oxide finish on these screws gives them a nice grip without any galling. The hex socket seated perfectly every time with no stripping, even after repeated adjustments.

The flat heads sit perfectly flush in my jig fixtures, and the black oxide finish actually helps them resist rust in my humid shop. The hex socket grip is solid—no stripped drive heads across all 400 pieces. Exactly what I needed for precision assembly work.

I needed a batch of small, precise screws for a jig I was building, and the fully threaded shank on these #8-36s really grabs and holds tight in the tapped hole. The black oxide coating seems durable and hasn't flaked off during installation. Exactly what my tooling project needed.