Bolt Motorcycle Hardware specializes in fastener products for motorcycles. Bolt fasteners are purpose built for your motorcycle. Class 8 zinc-plated steel M8x50 mm hex head bolts and M8 flange jamb nuts with a 12 mm A/F (hex). Fits all stock applications that use an 8 mm bolt (most off-road and street models). Hardware meets or exceeds O.E.M. specifications. Proudly designed and assembled in the USA with components from Taiwan. Note: This item does not work with Bolt billet Axle Block fasteners.