براغي ذات رأس أسطواني مسطح M20-2.5 × 75 مم | محرك سداسي مسطح الرأس | كاملة الخيوط | فولاذ سبائكي فئة 12.9 مطلي بالزنك (25 / عبوة)

I was pleasantly surprised by the weight and heft of these bolts; they feel like serious hardware for my heavy-duty jig build. The zinc plating is even and smooth, which made seating them in the threads effortless.

Honestly, for the price these are a solid deal. The zinc plating looks even and the 12.9 alloy steel feels seriously tough, so I'm not worried about them stripping out in my jig setup. They threaded in cleanly with a standard hex key and held tight under load.

The hex socket drive seated perfectly with my driver, and the zinc plating has a clean, uniform finish that feels durable. I’ve used these on a few tooling fixtures already and the 12.9 alloy steel gives me confidence they’ll hold up under real load.