HIGHT TENSILE, BRIGHT ZINC PLATED
British standard fine (BSF) was used on British cars in the thirties and forties and is the finer version of 'British Standard Whitworth' (BSW).
Grade 'R' is 45-50 Tons/ square inch.
B.S.F is now being discontinued by the major UK manufacturers but we will maintain stocks as long as we can. Future price increases will affect the availability.
We carry and can source other sizes not listed below, please contact us for details.
All bolts and nuts are displayed by thread size, not AF/Spanner size