براغي رأس مقبس M20-2.5 × 80 مم | محرك سداسي | جزئية الخيط | فولاذ سبائكي درجة 12.9 مطلي بالزنك (25 / عبوة)

Installed these in a heavy jig frame at work, the partially threaded section made alignment much simpler than fully threaded bolts. The zinc coating seems even and tough, no chips from the wrench contact. Solid feel overall, exactly what I needed for tooling.

The hex socket drive on these M20 screws made torquing them down into my jig setup a breeze, no stripping issues at all. At 80mm long with that partial thread, they held tight under heavy machining loads without any wobble.

The packaging alone shows care—each screw is neatly separated so the zinc plating arrives unscratched, which matters when you're fitting them into precision assemblies. Thread engagement on the partially threaded section is clean and consistent, and the hex socket drives true without any wobble. The