مسامير رأس مقبس 2-4-1/2 × 5-1/2 بوصة | محرك مقبس سداسي | كاملة الخيوط | فولاذ سبائك أكسيد أسود حراري

I needed a longer fastener for a jig I was building, and these fully threaded screws gave me the grip I needed without any stripping. The hex socket drive made installation easy even in a tight spot, and the black oxide finish looks clean.

The black oxide finish on these screws gives them a nice, uniform look that’s perfect for the tooling fixtures I’m working on. They threaded in smoothly without any binding, which was a relief for such a long fastener.

I needed some longer fasteners for a jig I’m building, and these 5-1/2-inch screws fit perfectly without any threading issues. The hex socket drive grabbed securely, and the black oxide finish has held up well during assembly.