براغي رأس مقبس M18-2.5 × 100 مم | محرك مقبس سداسي | ملولبة جزئيًا | سبيكة فولاذ فئة 12.9 مطلية بالزنك (10/عبوة)

I needed something sturdy for a jig I was building, and these screws fit the tapped holes perfectly with no wobble. The zinc plating gives them a clean look, and the partial thread really helped with alignment.

The hex socket drove in smoothly with a standard Allen key, and the zinc coating looks clean and even. Used a pair to secure a tooling fixture, and they held tight without any issue.

Installed these in a custom jig for a router table and the partially threaded design made alignment way easier than dealing with fully threaded bolts. The hex socket drive is snug and the zinc plating hasn’t shown a single speck of rust after a week of use. My only note is that the 12.9 hardness fee