www.Austin7Ulster.com › 1/4 BSW x 1” long single Bolt (Whitworth) 1/4 BSW x 1” long single Bolt (Whitworth) £0.33 Self colour, grade R high tensile part threaded bolt Self colour, grade R high tensile part threaded bolt Add To Cart Added! You Might Also Like 1/4” BSF x 1.1/4" long Set Screw £0.33 1/2” BSF Nut £0.30 1/2 BSF x 3” long single Bolt £2.50 Inlet / Exhaust Manifold Stud (Short) £1.95 Bell housing / Crankcase to Gearbox Stud BSF or BSW £1.75