براغي ذات رأس مقبس M12-1.75 X 120mm | محرك سداسي برأس مسطح | ملولب جزئياً | درجة 10.9 سبيكة فولاذ أسود حراري (50 / عبوة)

The hex socket drive gripped my allen key perfectly without slipping, even when torquing these down on a fixture plate. The black oxide finish looks professional and seems durable for jig work. Exactly what I needed for heavy machinery assembly.

I needed some heavy-duty fasteners for a jig I’m building, and these 120mm socket cap screws fit perfectly. The hex drive seated nicely without stripping, and the coating feels more durable than I expected.

The black oxide finish on these M12s is holding up great after a week of clamping jigs together, and the partial threading gave me just the grip I needed without bottoming out. Threads cut clean into my fixture plates, no fighting or galling. Solid set of fifty for the price, these are going in my p