HF721-25-B5-H-P16 Right Angle Hollow Shaft Worm Gear Speed ReducerOur standard 700 Series the heart of Boston Gear's speed reducer product line has been serving many industries reliably for over 40 years. Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market. But why settle for a knock off when you can have the original from Boston Gear. Specifications Reducer Material Paint: Cast Iron, Standard Paint Reduction Type: Single

Diametral Pitch: 20

• Dependable

Click here for spec sheet: NAT Spec Sheet

Entire unit is UHMW-PE

The new Stainless Steel 700 Series maintains the same critical dimensions as its trusted cast iron sister series and utilizes the same gearing and shafts for easy field retrofitting and backwards compatibility

High starting torque

They are FDA cleared and USDA accepted as non-toxic materials

All parts are rigidly inspected to assure freedom from porosity and conformance to dimensional tolerances

Movement is limited to a spring loaded pressure plate

Output Bore/Shaft Diameter: 2

No control equipment is required

Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm