براغي رأس سداسية 1/2-20 × 4-1/2" | درجة 5 فولاذ زنك أصفر | خيط جزئي (25 / عبوة)

The hex heads fit my socket wrench perfectly for a heavy machinery repair, and the yellow zinc coating looks durable. These grade 5 bolts held tight without any stripping during installation.

The partial threading is exactly what I needed for bolting a steel jig to my workbench, and the hex heads grabbed my socket wrench without any slipping. Yellow zinc finish looks clean and the Grade 5 rating gives me confidence under load.

These Grade 5 bolts drove smoothly into the frame with a socket, and the yellow zinc coating looks good against the dark steel. A 4-1/2 length with partial threading was exactly what I needed for this motor mount, and the hex head gave me solid bite without stripping.