Used extensively on many Triumph and BSA unit models from 1968 onwards. Clutch adjuster pin, brake pedal, engine plate studs, brake hoses etc. Rocker spindle nut on B25 and TR25W models.
Height: 1/4″ 0.224″ (5.7mm)
OD: 9/16″, 0.560″ (14.2mm)
Thread: 3/8″ UNF 24 TPI
