براغي رأس سداسية داخلية M6-1 × 60 مم | محرك سداسي داخلي | ملولبة جزئيًا | فولاذ سبائكي فئة 12.9 مطلي بالزنك (200 / عبوة)

I needed some reliable screws for my latest jig build, and these 60mm ones held without any stripping. The zinc plating looks clean and hasn't shown a speck of rust after several days in a damp workshop.

Used them for a jig I’m building and the threading is clean all the way down—no burrs or skipped starts. The 12.9 alloy steel feels noticeably tougher than the random bolts I had lying around, and the zinc plating’s held up fine so far. Kept the box of 200 close by, which is handy for a project that

Threads are clean and the zinc coating looks even across all 200, so they’ll hold up fine in my jig builds. Only gripe is the partial threading starts a bit higher than I’d like for some applications, but the hex socket grabs perfectly.