Square Aluminium worm gearbox Dertec worm gearboxes with frame FMRV030, FMRV040, FMRV050, FMRV063 , FMRV075,FMRV090 and FMRV105 can be supplied from stock or by local assembly Quote request Specs & versions Accessories Torque arm Solid output shaft Output flange Downloads Username Password Show Password Remember Me Log in Forgot your password? Forgot your username? Create an account