Machine Key, steel. Used in various AndyMark gearboxes Specifications:
0.500 inch shaft with 1/8 inch keyway and 0.313 (8mm), 2mm keyed bore The bore of this adapter fits onto the 2.5" CIM Motor WARNING: There is only a 0.016 inch thick wall of steel between the bottom of the 1/8" keyway and the 0.313" bore. Specifications: