براغي رأس مقبس M20-2.5 × 60 مم | محرك سداسي | خيط كامل | سبيكة فولاذ فئة 8.8 أكسيد أسود حراري (25 / عبوة)

The black oxide finish on these screws is what sold me—they look clean and professional on my tooling setup, and the Class 8.8 steel feels plenty solid for the load. Threads were smooth all the way in, no binding or debris in the pack. I’ll be ordering another set for the next project.

Needed these for a jig I was building, and the Class 8.8 alloy steel feels reassuringly tough. The fully threaded shaft gave me plenty of grip, and the black oxide coating looks clean without being flashy.

The black oxide coating on these M20 screws is holding up perfectly on my precision assembly setup, no rust after a week of use. Hex drive seated smoothly without any stripping, and the 60mm length was exactly what I needed for the jig frame.