3 3/4" (3.75" Inch) Inside Diameter Commercial Torsion Spring with installed Cones
Commercial Torsion Spring with Cones – Engineered for Heavy Doors, Continuous Operation & Long Service Life
Designed for demanding commercial and industrial applications, this heavy-duty torsion spring delivers smooth, reliable operation for large overhead doors in high-traffic environments. Made from durable oil-tempered steel, it is built to handle frequent daily cycles while providing long-lasting performance and reduced downtime.
This spring includes pre-installed stationary and winding cones for secure installation and balanced door operation. Fits standard 1" shaft sizes.
Key Features:
• Fits Standard 1" or 1.25" Keyed Shaft Size (Depending on Selection)
• Pre-Installed Stationary & Winding Cones (3 3/4" ID / 3.75")
• Heavy-Duty Oil-Tempered Steel Construction
• Designed for Continuous, High-Cycle Operation
• Ideal for Heavy Commercial & Industrial Doors
• Smooth, Reliable Performance for High-Traffic Applications
• Made in USA
Perfect For:
• Warehouses
• Industrial buildings
• Auto shops
• Commercial overhead, sectional, and rolling doors
⚠️ Safety Warning:
Torsion springs are under extreme tension and can cause serious injury if improperly handled. Installation should only be performed by trained professionals using proper tools and safety procedures.
