Extension Spring #55, 3/4"x4-5/32"x.1055WG

Extension Spring #55

The 18555 Extension Spring #55 is a heavy-duty spring steel extension spring designed to deliver reliable tension and return force in mechanical and equipment applications. Made from durable spring steel, this spring provides consistent stretch and recoil performance for a wide range of mechanisms. Its sturdy wire construction and balanced dimensions make it a dependable replacement spring for repairs, maintenance, and general mechanical use—because when a spring keeps proper tension, the entire mechanism works the way it was meant to.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 18555
• Nominal Size: SRM55
• Product Type: Extension spring
• Material: Spring steel
• Outside Diameter: 3/4"
• Body Length: 4-5/32"
• Wire Diameter: 0.11 WG
• Design: Coiled tension spring for controlled extension and return
• Function: Provides tension and return force in mechanical assemblies

Ideal For

• Equipment repair and mechanical maintenance
• Agricultural and shop equipment mechanisms
• Linkage and return spring applications
• General-purpose tension spring replacements
• Situations where a strong spring helps mechanisms snap back into position instead of staying stretched out.