![Boston Gear GB20 Plain Change Gear, 14.5 Degree Pressure Angle, 16 Pitch, 0.750" Bore, 20 Teeth, Steel: Amazon.com: Industrial & Scientific Boston Gear GB20 Plain Change Gear, 14.5 Degree Pressure Angle, 16 Pitch, 0.750" Bore, 20 Teeth, Steel: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61BLJ79au1L.jpg)
Boston Gear GB20 Plain Change Gear, 14.5 Degree Pressure Angle, 16 Pitch, 0.750" Bore, 20 Teeth, Steel: Amazon.com: Industrial & Scientific
![Boston Gear - Speed Reducer: Quill, 2.06″ Center to Center Shaft, 40:1, 0.81 hp Max Input, Worm Gear - 91230227 - MSC Industrial Supply Boston Gear - Speed Reducer: Quill, 2.06″ Center to Center Shaft, 40:1, 0.81 hp Max Input, Worm Gear - 91230227 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/9122953-21.jpg)
Boston Gear - Speed Reducer: Quill, 2.06″ Center to Center Shaft, 40:1, 0.81 hp Max Input, Worm Gear - 91230227 - MSC Industrial Supply
![Boston Gear H824R Plain Helical Gear, 45 Degree Helix, 14.5 Degree Pressure Angle, 0.875 Bore, 8 Pitch, 24 Teeth, Steel, RH: Amazon.com: Industrial & Scientific Boston Gear H824R Plain Helical Gear, 45 Degree Helix, 14.5 Degree Pressure Angle, 0.875 Bore, 8 Pitch, 24 Teeth, Steel, RH: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61fxwwmkmtL.jpg)