براغي رأس سداسية 1"-14 X 2-3/4" | فولاذ درجة 5 زنك أصفر | ملولبة بالكامل (10 / عبوة)

These hex heads threaded in perfectly on my press build, no binding even with the tighter tolerances. The yellow zinc finish seems like it'll hold up well in my shop environment too.

Grabbed a pack for a heavy equipment repair and the full threading made it easy to get full engagement in the nut. The yellow zinc coating seems tough and the hex head seated perfectly with a standard wrench.

Torqued these down on a farm implement frame and the threads grabbed cleanly without any binding. The yellow zinc coating feels heavier than I expected, should resist rust well in muddy conditions.