براغي رأس سداسية مقاس 1/2-13 × 1-7/8 بوصة | فولاذ درجة 8 مطلي بالزنك الأصفر | ملولبة جزئيًا (250/عبوة)

The yellow zinc finish on these Grade 8 bolts held up perfectly during a heavy equipment repair with no corrosion after a week of rain. Threads started cleanly by hand, and the partial threading let me snug them tight against a steel plate without binding.

These went on without a hitch, and the yellow zinc finish looks clean. That partial thread gave me just the right grip for the bracket assembly I was working on, and the grade 8 hardness is reassuring.

Pulled out my torque wrench and these hex heads seated perfectly on the first try, no wobble or stripping. The yellow zinc coating looks factory-fresh and the partial threading made alignment a breeze on my press setup.