براغي رأس كبس M6-1 × 20mm | محرك سداسي برأس زر | ملولبة بالكامل | فئة 10.9 سبائك فولاذ معالجة حرارياً أسود أكسيد (600/عبوة)

Exactly 600 per package with clean threading and zero burrs, these black oxide screws slid right into my press tool jig holes without any binding. The hex socket took torque evenly without stripping, which is what I needed for a precise assembly. My only minor note is the black coating can smudge a

I needed a batch for a jig rebuild and these bolts threaded in smoothly without any binding. The hex socket drive holds the bit securely, which saved time during assembly.

The black oxide finish is a nice touch—these screws slide into place without any binding, and the hex drive grips the wrench perfectly. The 600-count pack means I've got plenty left over for future tooling projects.