Couplemate are manufacture an extensive range of Galvanised U Bolts. Galvanised U Bolts are designed with a longer thread and unique Galvanised washer, Galvanised spring washer and Galvanised nut. Threads are machine rolled rather than cut with a die. Cut threads with a die are intrinsically weaker than rolled threads.
All 1/2 inch BSW U bolts are rated to 375kg each. Max Torgue 125 lb/sq/ft