5/16 x 1/2" UK made hex bolt Triumph Norton BSA UNF

You may also like...

• 
  Fuel Spigot 90 degree elbow spigots nuts Triumph Norton BSA petcock 1/4" BSP UK $24.99
• 
  LED Lucas style headlight 12 or 6 volt positive or negative ground Triumph Norton BSA 414 414Q $42.99
• 
  Norton Commando fuel line gas tube set assembly Roadster Interstate Fastback 06-5192 $59.99
• 
  gas PETCOCK SET 1/4" BSP British fuel valve Triumph Norton BSA tap locknut $79.99