Vis à tête hexagonale 1/4-28 X 3" | Fabriqué aux États-Unis | Acier allié grade L9 zingué jaune | Filetage partiel (100 / Paquet)

I've got a stubborn piece of farm equipment that chews through lesser bolts, but these L9s with the yellow zinc have held up without a hint of corrosion through two rainy weeks. The partial threading makes alignment a breeze when I'm torquing them into tight spots, and the hex head takes a socket pe

Wasn’t sure about buying fasteners online, but these threaded up cleanly into my fixture with no binding or galling. The partial thread on the 3” length gives plenty of grip, and the L9 alloy steel feels rock solid under a wrench.

The yellow zinc finish on these screws is holding up perfectly in my damp shop environment, and the hex heads grab my socket wrench without slipping. I used a dozen of them to rebuild a small press, and the partial thread gave me just the right grip depth.