براغي رأس مسطحة M8-1.25 × 65mm | محرك سداسي داخلي | ملولبة جزئيًا | فولاذ سبائكي فئة 12.9 مطلي بالزنك (100 / عبوة)

I needed some strong bolts for a jig I was building, and the class 12.9 alloy steel on these feels incredibly tough. The partially threaded design worked perfectly for my assembly, and the zinc plating looks clean.

The partially threaded design made these perfect for my jig fixture—the 65mm length gives just enough grip without bottoming out. Zinc plating looks uniform across all 100 pieces, and the hex socket drive hasn't stripped once under heavy torque. These are now my go-to for precision assemblies.

The hex socket drive seated perfectly with my Allen key—no stripping at all. These 12.9 alloy steel screws feel extremely tough for jig building. The zinc plating looks clean and uniform across all 100 pieces.