براغي رأس سداسي مقاس 9/16-12 × 5-1/2 بوصة | فولاذ درجة 5 بزنك أصفر | ملولبة جزئياً (25 / عبوة)

The partially threaded design made these great for securing a heavy bracket where I needed full grip at the end. Each screw threaded smoothly into tapped steel with a standard socket, and the hex head didn't strip under torque.

The yellow zinc coating on these looks really good and should hold up well in my shop, and the partial threading gave me exactly the grip I needed on a piece of heavy equipment. Worked perfectly with a socket wrench.

I needed a heavy-duty bolt for a press rebuild, and the 5-1/2" length on these was spot-on. The yellow zinc finish looks good and should resist rust in my shop.