NUT 5/16CEI NARROW (4MM THICK) 00-0074 ! As used on AJS/MATCHLES 01-0734 brake drum bolt.

1/4CEI NUT, UNDERSIZE HEXAGON 02-1027 ! Hexagon is 21/64", height 3,3mm

NUT 5/16CEI UNDERSIZE HEXAGON 02-1616 ! BSA, various models. Hexagon head is 1 size smaller than is usual for this diameter thread.

5/16CEI VALVE ADJUSTER NUT 24-0563 ! Triumph number 70-0470

3/8CEI 20TPI 02-0440 ! Weird one: 3/8CEI but 20TPI

LH NUT ON RH FOOTREST 40-4808 ! 5/16CEI LEFTHAND THREAD

1/2 X 20 TPI NUT 99-3557 ! Old Triumph number DS48

1/2CEI NUT HEX12-26 ! Zinc plated

NUTS 1/4CEI HEX1426 ! ECROUS 1/4 CEI ECROUS Bonne qualite, tete Whitworth de taille correcte, pochette de  25.

7/16CEI NUT HEX716 ! 26TPI

5/16CEI HALF NUT S1-51 ! Triumph part (70-8133)

7/16CEI/ 20TPI NUT 02-1925 ! Later number 82-9033. Special nut with 20 threads per inch. Often used on early BSA and Norton rear frames.