M12-1.75 X 140mm براغي ذات رأس مقبس | محرك مقبس سداسي | ملولبة جزئياً | فئة 12.9 سبيكة فولاذية أكسيد أسود حراري (25 / عبوة)

Needed some tough fasteners for a custom jig build, and these 12.9 alloy steel cap screws handled the torque without any issue. The black oxide finish gives them a nice, uniform look, and the hex socket drive made installation straightforward.

The partially threaded design made these perfect for securing a heavy jig I'm building, and the black oxide finish looks great on the shop shelf. These M12 bolts came out of the pack clean and seated smoothly with zero binding.

The black oxide finish is a nice touch on these, gives them a professional look for the jigs I'm building. Threads engaged cleanly even into some tighter holes, though the partial threading means you need to plan your grip depth. Solid enough for the price.