براغي رأس سداسية 1-1/4-7 × 12 بوصة | صناعة أمريكية | سبيكة فولاذ درجة L9 زنك أصفر | ملولبة جزئيًا (4/عبوة)

The yellow zinc coating on these Grade L9 bolts held up perfectly in a slightly damp shop environment, and the partial threading made it easy to get a clean bite into existing tapped holes. Installed a dozen of them on a press frame this week, and every one torqued down solid without any galling.

Used a set of these to secure a heavy press base and the Grade L9 alloy steel really holds up under torque. The yellow zinc finish looks clean and the hex heads fit a standard socket perfectly.

The partially threaded section made lining up the head on my trailer hitch a breeze, and these grade L9 bolts feel rock-solid under the wrench.