براغي رأس مقبس M10-1.5 × 140 مم | محرك مقبس سداسي | خيط جزئي | فولاد سبائكي فئة 12.9 مع أكسيد أسود حراري (50 / عبوة)

I needed a solid bolt for a jig I’m building, and the partially threaded design on these M10s made assembly much quicker. The thermal black oxide finish feels tough and looks clean against the steel.

These bolts ran smoothly through my drill press jig without any binding—the black oxide finish held up to clamping pressure without flaking. The 12.9 hardness means I can torque them down confidently on my milling fixture.

Needed some 140mm lengths for a custom jig build, and these black oxide screws threaded in smoothly without any binding. The partial threading gave me just enough grip depth for the aluminum base plate I was mounting.