براغي رأس سداسية 3/8-16 × 1-1/8 بوصة | فولاذ درجة 2 زنك أصفر | خيط جزئي (1200 / عبوة)

The partial threading makes seating these against a flange so much easier, and the hex heads grab a socket without any slipping. I’ve already used a few hundred on a conveyor frame and they’re holding up great after some serious torque.

I needed a bulk order of partially threaded bolts for a machine rebuild, and these 3/8-16 hex heads are exactly as described. The yellow zinc coating looks clean and uniform across all 1200 pieces, and the Grade 2 steel holds up well with a socket drive. Only minor thing is the threads could start a

A contractor friend recommended these for a job, and the hex head drove in cleanly with no stripping. The yellow zinc coating looks uniform too, which is a nice bonus for the price.