Ifor Williams 'one-shot' hub nut (post 1997) F1014

Ifor Williams 'one-shot' M30 hub nut / stake nut.
 
Used on Ifor Williams trailers manufactured after 1997. This hub nut has a shoulder built in to the casting and and a flange end. Use a 46mm socket, torque to 350Nm and knock flange ends in to stub axle.