براغي رأس سداسية 1/2-20 × 8" | صناعة أمريكية | سبائك فولاذية درجة L9 بزنك أصفر | ملولبة جزئيًا (25 / عبوة)

Withdrew a stuck 5/8” bolt using these on a hydraulic puller, and the Grade L9 alloy didn’t even show a scratch. Threading went smooth in the nut, the yellow zinc coating has held up fine so far.

I've been looking for a reliable 8-inch bolt that won't strip under heavy torque, and the partially threaded design on these L9 alloy steel screws gives me exactly that secure grip. The yellow zinc coating feels sturdy and hasn't shown any rust after a few weeks in my workshop.

Finally, some 8-inch hex cap screws that don't strip under heavy torque—the Grade L9 alloy steel feels rock-solid. The partial threading made it easy to snug up a bracket without fighting the threads.