12 In. X 1-1/16 In. Extension Spring (1 Count)

Discover the Century Spring 12 in x 1-1/16 in Extension Spring, a precision component engineered to deliver consistent tension across mechanical systems. With a 1-1/16 inch outer diameter and a 12 inch body, this spring fits a broad range of assemblies while standing up to repetitive cycles. Built for reliability, it supports smooth operation in equipment, doors, linkage systems, and DIY projects. Designed for easy handling and installation, it maintains uniform winding and minimal lateral movement to reduce wear over time.

Durable tension for consistent performance: This spring maintains steady force through wear, reducing slack and extending component life. Ideal for garage doors, trampolines, and machinery that demands precise, controllable movement.

• Outer diameter: 1-1/16 in matches a broad spectrum of hardware, OEM components, and enclosure assemblies, enabling straightforward replacements and retrofit projects for industrial springs.
• Length: 12 in overall length provides ample extension for a variety of tension applications in mechanical systems and equipment relying on controlled travel.
• Wire diameter: .135 in wire delivers high strength and fatigue resistance for repeated cycling as an extension spring.
• Maximum deflection: Up to 6.49 in of travel supports dynamic loads and smooth actuation in moving parts, reducing bounce and wear.
• Maximum safe load & bulk packaging: Rated for 66.2 lb and packaged in bulk with UPC for efficient stocking and inventory control in shops and warehouses.

Why choose this extension spring? Precision manufacturing and durable design ensure dependable performance under demanding conditions. Easy installation, long service life, and consistent tension make it a versatile choice for repairs, upgrades, and new builds that require reliable movement control.