Extension Springs

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Extension springs are designed with coils that touch when at rest. Upon application of force, they extend to absorb and store energy, featuring various end types to suit specific application needs.

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Crossover Center Loop Extension Springs

Machine Hook Extension Springs

Double-Loop Extension Springs

Draw-Bar Extension Springs

Extension Spring Assortments

Crossover Center Loop Extension Springs

Full-twist loop extension springs feature fully enclosed loops at both ends, providing a secure and reliable connection. Ideal for applications requiring precision and durability in compact spaces.

302 Stainless Steel

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

316 Stainless Steel

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Music Wire

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Spring Steel

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Carbon Steel

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Brass

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Machine Hook Extension Springs

Designed for durability and ease of installation, these heavy-duty extension springs feature robust hooks at each end. Ideal for applications requiring consistent tension and resilience, they excel in environments demanding repeated stretching and high load capacity.

Spring Material: Unspecified

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

302 Stainless Steel

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Music Wire

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Carbon Steel

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Double-Loop Extension Springs

Designed for maximum durability, our heavy-duty dual-coil extension springs feature two coils at each end for enhanced support and resistance to breakage. Ideal for demanding applications in automotive, industrial, and commercial machinery.

Music Wire

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Carbon Steel

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Draw-Bar Extension Springs

Auto-lock tension springs feature a built-in safety mechanism to prevent over-extension, ensuring durability and reliability. Ideal for heavy-duty applications and playground equipment, these springs maintain tension and support loads effectively, even under stress.

302 Stainless Steel

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Carbon Steel

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price

Extension Spring Assortments

Explore our extensive collection of extension springs, featuring a variety of materials and lengths to meet all your mechanical needs.

Carbon Steel

Vendor	Hook Length	Free Length	Extended Length	Wire Diameter	Outside Diameter	Spring Rate	Elastic Limit	Finish	Sizes Included	Number of Pieces	Brand	Selling Price