Close

British Motorcycle Thread Chart


British Motorcycle Thread Chart -Threads Per Inch

Size Cycle Engineers
Institute
(C.E.I.)
Unified
Fine
(UNF)
Unified
Coarse
(UNC)
British
Standard
Fine
(BSF)
British
Standard
Whitworth
(Coarse)
(BSW)
1/4" 26 28 20 26 20
5/16" 26 24 18 22 18
3/8" 26 24 16 20 16
7/16" 26 20 14 18 14
1/2" 20 20 13 16 12
9/16" 20 18 12 16 12
5/8" 20 18 11 14 11

Subscribe to newsletters
Email:
Facebook Facebook
Credit Card Images - MC, Visa, Discover, Amex


Credit Card Merchant Services