براغي رأس مقبس M24-3 × 45 مم | محرك سداسي المقبس | ملولبة بالكامل | فئة 12.9 من سبائك الفولاذ مطلية بالزنك (10 / عبوة)

The zinc plating is holding up nicely on these, no rust after a few weeks in the shop. Threads were clean and seated perfectly in my jig without any binding.

These replaced some older cap screws on a precision assembly I've been maintaining, and the hex socket drive made installation noticeably easier. Threads are clean and the zinc coating looks like it will hold up well.

Installing a jig last week and these M24 screws threaded in perfectly—the hex socket drive made tightening much easier than a slotted head. The zinc plating seems evenly applied with no burrs, and all ten pieces in the pack were consistent in length and thread quality.