براغي رأس مقبس 9/16-18 × 4-1/2 بوصة | محرك مقبس سداسي | خيط كامل | فولاذ سبيكة أسود حراري (25/عبوة)

I needed longer bolts for a jig I’m building and these 4-1/2" socket cap screws fit perfectly, the hex drive seated cleanly without any stripping. The black oxide coating has a nice, uniform matte look too.

The thermal black oxide finish on these cap screws gives them a nice, consistent look, and the hex drive seats perfectly with my Allen wrench. I grabbed these for a jig build and the 4-1/2" length with full threading made alignment a breeze. Solid purchase, they feel stout.

I needed some long 4-1/2" socket cap screws for a jig I was building, and these alloy steel ones with the black oxide finish threaded in smoothly without a hitch.