براغي رأس سداسية مقاس 1 بوصة-8 × 9 بوصات | صناعة أمريكية | فولاذ سبائكي درجة L9 مطلي بالزنك الأصفر | ملولبة جزئيًا (8/عبوة)

These threads bit into the steel like they meant it—the yellow zinc finish held up fine under a wrench, no galling. For a 9-inch bolt, the partial threading made alignment way easier than dealing with a fully threaded rod.

Broke one of these loose on a big air compressor after a year of rust—the hex head held up perfectly to a breaker bar without rounding. They’re beefy enough that I used them to replace the bolts on a press table, and the partial threading made alignment much easier.

The threading is cut clean and the yellow zinc finish looks uniform across all eight bolts. I used them to secure a heavy press frame and the partially threaded design gave me plenty of grip length without fighting the full shank.