Prime-Line H 3520 9-Inch Right-Hand Casement Operator | Diecast Aluminum

Overview

The Prime-Line H 3520 is a 9-inch aluminum diecast casement operator designed for right-handed operation. Its sturdy square body houses a steel worm gear and a long, reliable arm. The round disc at the tip engages the bottom track (H 3529) to guide smooth, controlled window movement.

Key details

• Right-handed square body, viewed from inside looking out
• 9-inch arm length from the guide button to the crank operator
• Fits a 3/8 inch crank spindle
• Heavy-duty diecast zinc construction with an aluminum finish
• Steel worm drive gear for durable operation
• Matching crank handle included
• Installation screws included
• Mounting holes spaced at 3-7/8 inch and 4-3/4 inch on center
• Phillips head screwdriver required for installation
• Refer to the line art drawing for exact dimensions

Practical uses and benefits

Replacing a worn operator can restore ease of use and window feel. The 9-inch arm provides leverage for smoother cranking, while the disc tip aligns with the bottom track to support steady engagement during opening and closing. The diecast zinc body paired with a robust steel gear offers lasting performance in everyday use.

• Durable construction supports daily wear and varied climates
• Aluminum finish adds a clean, low-maintenance look to existing hardware
• Included crank handle reduces the need for additional purchases
• Versatile mounting options help you match common center-to-center hole measurements

Note: Please refer to the line art drawing for exact dimensions and compare with your needs before ordering to ensure a proper fit with your window and track system.