https://www.barlowtrailers.co.uk/product/genuine-ifor-williams-stake-nut-axle-end-f1013z
Buy a Stake Nut F1013Z For Your Ifor Williams Trailer | Barlow Trailers
Ifor Williams Parts Shop Online: Stake nut. Without flange. It is recommended that new nuts are fitted after servicing the brakes.
ifor williams trailerstake nut
https://www.driftmotion.com/R154-Stake-Nut-p/dm2799.htm
R154 Stake Nut
stakenut