براغي رأس مقبس 1/4-28 × 5/8 بوصة | محرك رأس سداسي منخفض | سبائك فولاذ مع أكسيد أسود حراري (100 / عبوة)

The low head design on these screws was exactly what I needed for a tight clearance fixture. The black oxide coating looks clean and professional, and all 100 pieces had clean threads without any burrs.

Used a handful for a jig I was building, and the black oxide finish gave them a nice, uniform look against the aluminum. The hex socket drove cleanly without stripping, even in tight spots.

The low head profile cleared the tight clearance on my tooling fixture without any interference, which was exactly what I needed. The black oxide finish gives them a solid, uniform look and the hex socket seated perfectly on my driver, no wobble. These are the first screws I've grabbed for precision