HOLO-KROME 65032 5/16-24 × 3/4" براغي رأس مقبس | محرك سداسي رأس زر | سبائك فولاذية مؤكسدة سوداء حرارياً (100 / عبوة)

I needed a batch of 100 for a jig I was building, and the 5/16-24 threads cut cleanly into pre-tapped holes without any binding. Fit and finish are solid for the price.

The black oxide finish on these screws looks great and provides a nice grip for the hex key. They fit perfectly in my precision assemblies without any wobble. Exactly what I needed for a clean, secure hold.

I needed some stout fasteners for a jig I was building, and the black oxide finish on these is a nice touch—gives them a professional look that resists fingerprints. The hex socket drive gripped my Allen key perfectly without any stripping.