براغي رأس كوب M20-2.5 × 50 مم | محرك سداسي | ملولبة بالكامل | فولاذ سبائكي فئة 12.9 بأكسيد أسود حراري (25 / عبوة)

The black oxide finish on these M20s looks clean and uniform, and the hex socket drive seated perfectly with my Allen key. Threads ran smooth all the way through my fixture plate, and at class 12.9 they feel reassuringly solid for the tooling work I've got them in.

The black oxide finish on these M20 screws looks clean and even, and the hex socket drive seated perfectly with my Allen key. Threads were smooth all the way down, no binding. Solid choice for machinery repairs.

I needed these for a jig build and the hex socket drive made installation a breeze. The fully threaded design gave me a solid hold in the assembly. These are exactly what I was looking for.