HF721-20-B7-H-P20 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

Click here for spec sheet: SAF Spec Sheet

Nylatron® GS is dark gray in color

Click here for spec sheet: SBPL Spec Sheet

Design fully engages the thread for secure locking

the tooth-contact area of helical gears is very small

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Blending trusted 700 Series worm gearing with an innovative new exterior design

• Splined Hub

Click here for spec sheets: SUCSFB Spec Sheet

Click here for spec sheets: SSB Spec Sheet

Click here for spec sheet: CSA Spec Sheet

Keyway Size: No KWY or Setscrew