HF721-20-B7-H-P12 Right Angle Hollow Shaft Worm Gear Speed Reducer 9 Teeth They are spring set and

They are spring set and electro-magnetically released

Speed Range 50:1 Turndown

Tolerates -5° to 220° F

Documentation

KWY/Setscrew/Other: No KWY or Setscrew

HF721-20-B7-H-P12 Right Angle Hollow Shaft Worm Gear Speed Reducer 9 Teeth They are spring set andOur 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