Precision Gears for Every Industry and Application - American Gear, Inc. custom gears, spur gears, custom spur gears, gear hobbing, metric gears, custom metric gears, spur gears, worm gears, helical gears, involute splines, bevel gears, custom bevel gears, worm gears, custom worm gears Consistency of quality and over eighteen years of expertise and experience produce AMERICAN GEARS ... fine and medium pitch small gears. Metric and Standard gears manfactured to industrial specifications and to military standards.