Bolt, 5/16in x 3/4in x 26tpi, zinc plated. set screw (thread to the head) BSCY / CEI with slightly domed head, 1/4BSF (7/16AF) head. Norton AJS Matchless Triumph style pre 1960s. Original part number: 13261 - front stand attachment pin; E5379 - front stand attachment pin;washer 11940 - oil tank fixing bolt, top 8870; A2/68; A2/378; E6354 - Exhaust valve lifter lever securing bolt 9090; E3798; - magdyno Platform locking plate pin 9585 - Front mudguard stay fork attachment pin