M18-2.5 X 70mm براغي رأس سداسي | فئة 10.9 فولاذ مطلي بالزنك | ملولب جزئيًا (25/عبوة)

I needed some heavy-duty bolts for a piece of shop equipment, and these M18-2.5 x 70mm hex heads with Class 10.9 steel felt solid in hand. The partial threading made it easier to align the joint without stripping the nut.

The partially threaded section grabbed the threads perfectly on my jig while the smooth shank aligned the plates square—saved me a ton of fiddling. Zinc coating looks even and thick, no flaking after a week of shop use.

I've been using these hex head cap screws for a few weeks now to assemble a machine frame, and the Class 10.9 steel really holds up under heavy torque without stripping. The partial threading made it easy to get a solid bite into the tapped holes while leaving enough grip length for the head. They c