براغي كاب سوكيت هولو-كروم 87201 M12-1.75 × 80 مم | رأس مسطح محرك سداسي | سبيكة فولاذ أكسيد أسود حراري (50 / عبوة)

Needed a solid set of fasteners for a jig I was building, and the thermal black oxide coating on these M12s looks great and seems to resist rust better than the plain steel ones I've used before. The 80mm length was perfect for the deep holes I had to fill.

These flat heads sit perfectly flush in my tooling fixture, which saved me from having to counterbore. The thermal black oxide finish gives them a clean, uniform look straight out of the package.

The black oxide finish looks sharp and seems to be holding up well during assembly of my jigs. All fifty screws thread cleanly into the M12 holes without any binding, which is exactly what I need for precision work.