براغي رأس سداسية مقاس 9/16-18 × 3" | فولاذ درجة 5 أصفر زنك | ملولبة جزئيًا (25/عبوة)

The hex heads fit my socket wrench perfectly, and the yellow zinc coating looks like it’ll hold up better than plain steel. I used these to bolt down a heavy shop press and they torqued down without stripping.

These are the exact thread size and length I needed for mounting a jig to my drill press table. The yellow zinc finish looks consistent across all 25 pieces and they thread cleanly into a tapped hole.

The hex head sits perfectly in my socket, and the yellow zinc finish already looks like it will resist corrosion well on my press setup. The partial threading on these 3-inch cap screws makes alignment during assembly much easier than with fully threaded bolts.