M6-1 X 10mm براغي ذات رأس أسطواني | رأس مسطح محرك سداسي داخلي | ملولبة بالكامل | سبائك فولاذية من الفئة 12.9 مؤكسدة حرارياً باللون الأسود (600 / عبوة)

I was pleasantly surprised by the precise threading on these M6-1 x 10mm screws; they seated perfectly in my jig setup without any binding. The black oxide finish looks clean and durable too.

I needed a solid batch of M6 flat head screws for a jig I’m building, and these 12.9 alloy steel ones are exactly what I was after—the black oxide finish looks tough and the hex socket drive fits my wrench perfectly.

The black oxide finish makes them look almost too good for shop use, but the 12.9 grade steel is why I grabbed these for my jig builds. All 600 came in the box with clean threads and no bent shafts that I could spot. They're a solid buy, just wish the flat head profile was a touch shallower for coun