RS PRO Steel Extension Spring, 109 mm Free Length x 25 mm Outside Diameter, 1110 N Initial Tension 121-416

RS PRO 121-416 Steel Extension Spring offers a specialized solution in Extension Springs with a free length of 109 mm and outside diameter of 25 mm. Crafted from high tensile steel, this spring provides an initial tension of 1110 N and a spring rate of 49.7 N/mm, suitable for tasks requiring energy absorption and resistance to pulling forces.

Each end of the spring wire terminates with a side hook, enabling secure integration into various mechanical assemblies. The spring extends up to a maximum length of 128 mm, making it adaptable to dynamic applications.

Industrial and commercial operations benefit from this spring’s compliant manufacturing according to BS 1408 CR3 and DIN 17223 standards, combined with RoHS certification for material safety.

The RS PRO extension spring finds extensive application in robotics, automotive interiors and exteriors, garage door mechanisms, vice-grip pliers, lever mechanisms, trampoline and washing devices, farm machinery, toys, window screens, pool covers, sofa beds, and upholstery tensioning.

Constructed from durable steel material ensuring strength and longevity. Free length measures 109 mm with a maximum extended length of 128 mm. Wire diameter is 5 mm, offering robust resistance to pulling forces. Spring rate is 49.7 N/mm, providing consistent tension performance.

Features side hook ends for secure attachment in assemblies. Manufactured to standards BS 1408 CR3, RoHS compliant and DIN 17223. Suitable for diverse applications including robotics, automotive interiors, garage doors, and farm machinery.

Designed to absorb and store energy effectively for reliable operation. Produced in the United Kingdom ensuring quality and compliance.

The RS PRO brand is known for stringent testing and reliability, backing this extension spring's quality and performance for your industrial and mechanical projects. Browse more from RS PRO to find complementary components and tools.