براغي رأس كبس M10-1.5 × 25 مم | محرك سداسي برأس مسطح | ملولبة بالكامل | فولاذ سبائكي فئة 12.9 بأكسيد أسود حراري (100 / عبوة)

Used these to bolt down a steel fixture plate on my mill table and they seated flush without any binding. The 12.9 alloy steel feels rock solid, and the black oxide finish hasn't shown a hint of rust after a week of cutting fluid exposure.

Threads are clean and the black oxide finish looks even across all a hundred pieces, no burrs or rough spots anywhere. I used them for a fixture plate and the 12.9 alloy steel took the torque without any worry.

The black oxide finish on these M10s is what sold me—slides into my jig fixtures like butter, and the full threading bites deep into the alloy steel. I've swapped out three different brands of cap screws this month, and these are the first where I didn't need a re-tap. For a hundred pieces at this p