... of gears, gear wheel, gear shaft, precision gear and sintered gear. Material: ductile cast iron, bronze, carbon ... steel, stainless steel, alloy steel and copperModules: M0.5 to M8Class: 7 to 8Meets ISO ... , DIN and ASTM standardsBacklashes: 0.13 to 0.17mmDiameter: 1,000mm ... ( { 'aImgSrc': aBigImageSrc } ); } )(); Spur Gear ( Bevel Gear & Cluster Gear )