براغي رأس سداسي | 2"-4-1/2 × 6" | درجة BD سبيكة فولاذ عادي | خيط جزئي (1 / عبوة)

The partially threaded design on these hex cap screws made alignment a breeze during a heavy machinery repair. Definitely worth the upgrade from standard bolts for the extra bite they give under torque.

Torqued these down for a heavy press repair and the hex head held up perfectly to impact gun use. The partially threaded design gave just the right grip depth without bottoming out. Solid bolts for the price.

The thread cut on these Grade BD alloy bolts is clean, and the partial threading made seating them in a tight flange much easier than a fully threaded bolt would have. The hex head grabbed my socket without slipping, which I appreciate on a fastener this size. These are holding up well under constan