M12-1.75 X 30mm براغي ذات رأس أسطواني | محرك سداسي برأس مسطح | كامل الخيط | فئة 10.9 سبيكة فولاذية مطلية بالزنك (100 / عبوة)

Used these on a jig I was building and the class 10.9 alloy steel feels properly tough, threads cut clean with no binding. The zinc plating is even and hasn't shown any wear after a week of clamping and unclamping.

The flat head sits flush against the steel bracket I used these for, and the zinc plating hasn't shown a single speck of rust after a week of shop dust and oil. The class 10.9 alloy steel threads cut cleanly into my tapped holes without any binding, even at the full 30mm depth. For the price of a hu

The hex socket drive on these M12 bolts engages perfectly with my Allen keys, and the zinc plating looks clean and consistent across all 100 pieces. They threaded smoothly into my fixture plate without any binding.