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When used with Boston Gear worms, Boston Gear worm gears provide effective power transmission in applications requiring high-ratio speed reduction in a limited space using right angle (90°), non-intersecting shafts. They are also the smoothest, quietest form of gearing when properly applied. Boston Gear offers worm gears manufactured from a variety of materials, such as acetal, minlon, bronze, and cast iron to suit your application requirements. Note: Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm, the ratio should be kept low. To run properly, worms and worm gears operating together must have the same diametrical pitch and threads.Mating Worm (Hard)10 DP, Single ThreadRatio100:1Product FamilyWorm GearsDiametrical Pitch10O/P Rating2310Product DescriptionWorm Gear, 10 DP, 14.5 PA, 100 Teeth, RH, BronzeAltra Master No.30217727MaterialBronzeBore Size0.750UPC781711136522HandRight HandWeight8.801Flush Face To WM C/L0.312Center Distance5.563Family Id30,065Gear OD10.25Hub Diameter2.000Unit Of MeasureEnglish