RS PRO Stainless Steel Extension Spring, 41.4 mm Free Length x 6 mm Outside Diameter, Wire Diameter 0.55 mm, 7.9 N 821-481

RS PRO 821-481 Stainless Steel Extension Spring is engineered for industrial and mechanical applications requiring reliable tension elements. With a free length of 41.4 mm and an outside diameter of 6 mm, this extension spring is crafted from high-grade stainless steel providing exceptional corrosion resistance and strength. Its wire thickness of 0.55 mm combined with an initial tension of 7.9 N enables it to securely bind components while allowing for controlled extension.

The spring rate of 0.08 N/mm provides balanced flexibility, making it suitable for use in various industries such as agricultural machinery, garage doors, and trampoline assemblies. The maximum extended length of 125.7 mm ensures effective performance under load.

Manufactured in the United Kingdom, this product complies with rigorous standards including BS 1408 CR3, DIN 17223, and RoHS, reflecting its quality and safety credentials. The stainless steel construction allows operation in outdoor or harsh environments where resistance to moisture and humidity is critical.

Installation is straightforward by connecting the closed loops on either end, allowing for ease of use in mechanical securing or returning mechanisms. This extension spring caters to industrial, manufacturing, agricultural, and construction uses where dependable spring tension is paramount.

Constructed from corrosion-resistant stainless steel for durability. Offers a wire diameter of 0.55 mm for optimal strength. Initial tension force of 7.9 N ensures secure connection. Spring rate of 0.08 N/mm maintains controlled elasticity.

Maximum extended length reaches 125.7 mm for versatility in applications. Compliant with BS 1408 CR3, DIN 17223, and RoHS standards. Suitable for demanding environments including outdoor and industrial use. Commonly used in applications like trampolines, garage doors, and agricultural machinery.

Manufactured in United Kingdom ensuring quality assurance. Explore EnvMart's comprehensive selection of mechanical fasteners and Extension Springs for industrial needs.