براغي ذات رأس أسطواني 1-8 × 14 بوصة | محرك سداسي | خيط جزئي | فولاذ سبائكي مع أسود حراري أكسيدي

I needed some sturdy fasteners for a machining jig, and the hex socket drive on these made installation a breeze with no stripping. The black oxide finish is even and seems durable, which was exactly what I was after.

Needed a long, sturdy fastener for a jig I was building, and these 1-8 x 14" socket cap screws handled the load perfectly. The thermal black oxide finish gave them a nice, consistent grip without any slipping during assembly.

The hex socket drive made installation a breeze with my allen wrench set, and the black oxide finish has a nice matte look that resists glare on the workbench. Using them to secure a new jig, they threaded smoothly without any binding. Exactly the quality I need for precision assemblies.