Vis à tête hexagonale lourde 1"-8 X 4-1/2" | Fabriqué aux États-Unis | Acier A307 Grade B brut | Filetage partiel (20/Paquet)

Used these to bolt down a heavy press in the shop and the threads seated cleanly with no binding. The A307 grade steel feels solid, and the partially threaded section gave me plenty of grip without needing extra washers. Just wish they came in a smaller pack, but the 20-count is a good value for the

The partial threading on these is spot on for bolting down thick flanges where you want full thread bite only at the end. Cut them shorter with a saw and they still held torque like a champ on my press frame rebuild.

The threads on these 1-inch hex cap screws are machined clean, and the partial threading gives me just enough grip for a heavy equipment frame I’m bolting together. They’re substantial and feel solid in the hand, exactly what I needed for a job that won’t get a second look.