Extension Spring #30, 1/2"x2-3/8"x.055WG

Extension Spring #30, 1/2"x2-3/8"x.055WG

The 18530 Extension Spring #30 is a durable multi-purpose extension spring designed to provide consistent pulling tension in mechanical assemblies and repair applications. With a 1/2" outside diameter and 2-3/8" free length, this spring stretches under load and returns components to their original position when tension is released. Constructed from high-strength spring steel with a .055 wire diameter, it delivers reliable performance in equipment, hardware, and general shop applications—because when something needs to pull back into place, a dependable spring makes the job look easy.

Country of Origin
Varies by production batch

Key Features / Specifications

• Part Number: 18530
• Nominal Size: SRM30
• Product Type: Extension spring
• Spring Size / Designation: #30
• Outside Diameter: 1/2"
• Free Length: 2-3/8"
• Wire Diameter: .055 WG
• Material: Spring Steel
• Function: Provides extension tension and return force in mechanical systems
• Construction: Formed spring steel for durability and repeated stretching cycles

Ideal For

• Mechanical assemblies requiring controlled extension tension
• Equipment repair and replacement springs in shop or farm machinery
• General hardware and mechanical projects needing a compact extension spring
• Applications where consistent pulling force and reliable return tension are required
• Situations where a spring needs to stretch repeatedly without disappearing across the shop when it slips loose.