If you are willing to wholesale spur gears from one of the famous spur gears suppliers in China,Website:http://www.chinaactuators.com, or you are going to check spur gearing, double spur gear, spur gear transmission, worm and spur gear, gear drive, ring gears price with a such factory, Star Win Actuators Manufacture Co.,Ltd is always at your service.GearsStar win makes about thousands of kinds of custom metric, imperial, module and DP thread with knob gears.Our module usually makes from DP8~80, precision according to ISO max to grade 7.Rack And PinionsA rack is a toothed bar or rod that can be thought of as a sector gear with an infinitely large radius of curvature. Torque can be converted to linear force by meshing a rack with a pinion: the pinion turns; the rack moves in a straight line.We main do the Milling Rack,  involute racks,plastic racks, steel racks, brass racks, metal racks, and pinion and rack assembly etcRequirementStar Win main provide the custom worm gear, worm gear and screw assembly, plastic, metal material all can do.Star Win utilize full CAD/CAM systems.At Star Win, our mission is to provide quality products and services on time and at a moderate cost