1/4" - 26 TPI BSF (BSC) X 1" U.H. GENERIC HEX HEAD STAINLESS BOLT

ONE OF A RANGE OF IMPERIAL BOLTS WITH A SLIGHTLY DOMED HEAD. NO LETTERING. FITTED TO A WIDE RANGE OF BRITISH MACHINERY FROM THE 1920'S TO THE LATE SIXTIES. WHILST BSC HAS A 60 DEGREE ANGLE COMPARED WITH BSF AT 55 DEGREES. STANDARD TOLERANCES ALLOW INTERCHANGEABILITY. 

USE ON: PRE AMC GEAR LEVERS ETC
LENGTH: 1.150" (29.3MM)
THREAD: 1/4" BSF
LENGTH UNDER HEAD: 1" (25MM)
ACROSS FLATS: .443" (11.3MM) 3/16" WHIT SPANNER
HEAD TYPE: HEX HEAD
USE ON: COMMANDOS, TWIN, SINGLES