HOLO-KROME 720002551 براغي رأس أسطوانية سداسية 1/2-13 × 5-3/4 بوصة | محرك سداسي | فولاذ سبائكي بأكسيد أسود حراري (10 / عبوة)

The black oxide finish on these screws held up perfectly during my jig assembly, no stripping or rust after repeated adjustments. The hex socket drive made installation straightforward even in a tight spot.

These 5-3/4 inch screws are a perfect fit for the jig I’m building, and the black oxide finish gives them a nice, professional look. The hex socket drive makes tightening them a breeze with the right Allen key.

These cap screws threaded cleanly into my lathe tool post with no binding, and the black oxide finish has a nice, even look. I used them to secure a heavy-duty fixture, and they held tight without any stripping. Exactly what I needed for precision assembly work.