scope:

Instructions for setting out of tooth profiles of milling cutters for gears of standard 20° pressure angle type. Standard group of 8 cutters, special group of 15 cutters (1 to 8, increasing by 1⁄2 sizes). 141⁄2° pressure angle cutters are also covered. Reductions in gear tooth thickness, necessary when milled gears are required to mesh with generated gears, arbor and keyway sizes, marking of cutters, ordering instructions, metric sizes.