براغي رأس مقبس M8-1.25 X 75mm | محرك رأس مسدس زر | ملولبة بالكامل | فئة 12.9 فولاد سبيكة مطلي بالزنك (100 / عبوة)

The hex socket drive seated snugly on my driver without any wobble, which made install on a tooling fixture quick. Threads ran clean through the plate, and the zinc finish looks uniform across all 100 pieces.

Installed these on a custom jig I built for a milling machine, and the 12.9 grade alloy steel bit in without any stripping. The 75mm length gave just enough thread engagement for a solid hold.

The zinc plating on these held up perfectly during assembly—no flaking even after wrenching them down tight with an impact driver. Threads were consistently clean across all 100 pieces, and the 12.9 alloy steel feels seriously rigid for a 75mm length.