براغي رأس سداسي 7/16-14 × 4-1/2 بوصة | فولاذ درجة 5 مطلي بالزنك الأصفر | ملولبة جزئياً (175 / عبوة)

The partial threading is exactly what I needed for pulling two flanges together on a pump skid—the grip before the threads engage makes alignment so much easier. Yellow zinc finish looks solid and the hex heads grabbed cleanly with a socket.

Finally got a chance to use these on a heavy equipment repair, and the hex head grabbed my socket perfectly without slipping. The yellow zinc coating looks clean and should hold up fine in my shop environment.

These grade 5 bolts feel sturdy in hand, and the yellow zinc coating looks like it'll hold up well against rust. I used them to fasten a heavy-duty bracket, and the hex head made it easy to get good torque with my socket wrench. The partially threaded shaft was perfect for the thickness of the metal