براغي ذات رأس مقبس 1/2-13 × 10 بوصة | محرك سداسي مسطح الرأس | أكسيد حراري أسود من سبائك الصلب (20 / عبوة)

The black oxide finish on these screws is exactly what I needed for a jig assembly, providing a nice matte look without any flashy reflections. They threaded in cleanly and held tight under moderate load. Perfect for heavy-duty tooling work.

The hex socket drive made tightening these into my jig setup a breeze—no stripped heads, even with a cheater bar. The 10-inch length gave me plenty of thread engagement, and the thermal black oxide finish looks sharp and resisted scuffs during assembly. All 20 arrived clean and uniform, which I appr

The black oxide finish on these screws looks great and seems durable—no flaking after tightening several. I used them for a heavy-duty jig build and the hex drive seated perfectly with a ball-end Allen wrench.