HF721-30-B5-H-P21 Right Angle Hollow Shaft Worm Gear Speed Reducer 125 Teeth Boston Gear’s internal gears are

Boston Gear’s internal gears are spur gears turned "inside out

Recessed screw head provides an outside surface free of major projections for safety

Note: This is the spec sheet for the version with cast iron housing and mild steel bearing insert

Straight/Spiral Tooth: Straight Tooth

For wash-down applications in wet or harsh environments or where sanitary conditions are a factor

HF721-30-B5-H-P21 Right Angle Hollow Shaft Worm Gear Speed Reducer 125 Teeth Boston Gear’s internal gears areOur 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