British Standard Cycle Thread Slim Nut, 3/4" 20tpi, 60 degree.
As used on Triumph and BSA front axle to brake plate, 1958-1968
Various unit and pre-unit models
(Will replace Triumph 37-2058 and BSA 37-2058 1969 on, but would not have the external AF Spanner size)
Smooth milled hexagonal edge
Chamfered on one edge, shouldered on the other
Made in the UK with A4 316 Marine Grade Stainless Steel
See my other items for: -
26tpi 1/4", 5/16", 3/8", 7/16", 1/2" & 20tpi 5/8", 11/16", 3/4" full nuts
Dome Nuts
Triumph Sprung hub and rear wheel nuts