براغي رأس مقبس M12-1.75 × 50 مم | محرك مقبس سداسي | كامل الخيط | فولاذ سبائكي فئة 12.9 أكسيد أسود حراري (100/عبوة)

The black oxide finish on these screws is holding up well in my tooling setup, and the hex socket drive makes installation quick with an Allen key. They fit perfectly into the tapped holes on my press fixture.

I used these to build a custom jig for my milling machine, and the hex socket drive made tightening them down super easy. The 12.9 alloy steel feels noticeably stronger than the standard grade I’ve used before.

The black oxide finish on these screws looks professional and seems durable—perfect for the jig I built. They threaded smoothly into my steel fixture without any issues. Exactly what I needed for a solid hold.