APPLICATION- The pinion gear is extensively used in a wide range of applications, including Electric Grinders, Gearboxes, and Reduction Gears. The gear plays a crucial role in ensuring the smooth and efficient operation of these devices.ABOUT THIS PRODUCTS- The spur gear is constructed from 45# Steel, ensuring enhanced stability, resistance to wear, and exceptional strength, resulting in long-lasting durability.- The pinion gear exhibits lower roughness and noise levels and has a smoother rolling motion than other gears. Additionally, gears produced with excellent machining can withstand high levels of force without compromising their performance.SPECIFICATIONPackage Content:10mm bore Mod 1 Pinion Gear 20T includes 2pcs set screwsTeeth: 20TMaterial: 45# SteelFinish: Black OxideModule: Mod 1Gear Step: 17mm / 0.67inchOuter Dia: 22mm / 0.87inchAperture: 10mm / 0.39inchEffective Tooth Length: 10mm / 0.39inchTotal Thickness: 18mm / 0.71inchNOTE- Please confirm whether the product size meets your needs before ordering.