Made from solid brass with steel nut and aluminium washer,
This special part will enable you to attach home made parts or adapted parts such as cams, strips, dics and gears etc., simply drill an 11mm hole in your part and attach to the boss with the nut provided. Parts up to 2mm thick can be secured , the boss fits large Meccano axles (5/16")
Large Axle universal boss
SKU: lap31
£2.95Price