3.75" Garage Door Spring Cones

This 3-3/4" winding cone with a 1" bore is engineered for professional torsion spring servicing and supports both left- and right-hand wound configurations. The cone accommodates wire sizes up to 0.4062", providing a dependable fit for a wide range of standard torsion spring assemblies.

Color-coded red and black winding cones improve identification during installation, while the matching stationary cone option allows complete setup or replacement of existing hardware. These configurations help ensure correct pairing of spring orientation and simplify on-site adjustments.

The cone is manufactured for consistent performance, offering secure seating on the shaft and stable engagement with winding bars. This supports accurate torque application and helps maintain proper balance in the door system.

Ideal for technicians replacing worn components or confirming compatibility in systems requiring a 3-3/4" cone diameter with a 1" bore, this winding cone provides the essential specifications and durability needed for reliable field installation.

• 3-3/4" cone diameter with 1" bore
• Works with left- and right-hand wound torsion springs
• Supports maximum wire size of 0.4062"
• Available as single red winding, black winding, or stationary cones
• Offered as red and black winding cone pairs with stationary cone
• Professional-grade construction for stable, consistent operation