Businesses in the gears category make, supply, machine or repair toothed components used to transmit motion and power between rotating parts. These components are used in machinery and equipment across manufacturing, engineering, vehicles, agriculture and other industries. Suppliers may stock standard gears in common sizes or produce parts to match a specified design, material, tooth profile and operating requirement. Products can include spur, helical, bevel and worm gears, as well as racks and pinions, gear wheels and related components. Services may include gear cutting, turning, milling, grinding, heat treatment, measurement and inspection. Some businesses also supply complete gearboxes or provide replacement parts and repair work for worn or damaged gear assemblies. Customers typically provide drawings, measurements or details of the machinery to identify suitable components and ensure they fit and operate correctly.