براغي رأس مقبس H12-1.75 X 40mm من HOLO-KROME 76372 | محرك مقبس سداسي | فولاذ سبائكي أكسيد أسود حراري (50 / عبوة)

Inch-perfect fit on these—I used them to bolt down a jig on my mill and the 40mm length was exactly what I needed. The hex socket drive bit down clean without any stripping, and the black oxide coating seems like it'll shrug off the shop oil.

The black oxide finish on these M12s is the real deal—no chips or scratches after installing them into my jig setup, and the 40mm length seats perfectly with a standard hex key. Fifty in a box means I’m set for a while, which is exactly what I wanted for a batch of tooling projects.

I needed some heavy-duty screws for a new tooling setup, and these M12-1.75 x 40mm cap screws drove in smoothly without stripping. The black oxide finish feels tough and looks clean against the steel.