براغي رأس أسطواني M6-1 × 35 مم | محرك سداسي | ملولبة بالكامل | فولاذ سبائكي درجة 8.8 بأكسيد أسود حراري (400 / عبوة)

I needed a bulk pack for a jig I’m building, and these M6 screws threaded in smoothly with no binding. The thermal black oxide finish feels durable and uniform across all 400 pieces.

Finally, a batch of M6-1 screws that are actually consistently threaded—no duds in the pack, and they fit perfectly into my custom jig without any stripping. The black oxide finish feels tough and uniform, which I appreciate for tooling. Exactly what I needed for these precision assemblies.

I needed a batch of M6-1 x 35mm screws for a jig build, and these black oxide ones slide in cleanly without any gunk on the threads. The Class 8.8 alloy steel feels sturdy, and the 400 pack should last me through several projects.