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Product Name: Spring Steel Extension Spring (Custom-made, Closed Hooks)
Specifications:
Material: Spring steel
Wire diameter: 2mm
Outer diameter: 11mm
Total length: 165mm
Hook type: Closed hooks (both ends)
Closed hook inner diameter: 10mm or 11mm
Closed hook outer diameter: 14mm or 15mm
Quantity: 8 pieces
Product Description:
This is a custom-made extension spring crafted from spring steel, featuring closed hooks at both ends. It has a wire diameter of 2mm, an outer diameter of 11mm, and a total length of 165mm. The closed hooks have an inner diameter of 10mm or 11mm and an outer diameter of 14mm or 15mm; please select the specific dimensions based on your actual installation requirements. Extension springs elongate under axial tension and return to their original shape once the external force is removed, making them suitable for mechanisms subject to tensile loads.
Applications:
Suitable for mechanical equipment tension-based resetting, door lock return mechanisms, fitness equipment, automotive parts, industrial fixtures, spring suspension systems, and various other applications requiring tensile spring force.
Dimensions Summary:
Material: Spring steel; Wire diameter: 2mm; Outer diameter: 11mm; Total length: 165mm; Closed hook inner diameter: 10mm or 11mm; Closed hook outer diameter: 14mm or 15mm; Quantity: 8 pieces.
Notes:
This product is a custom-made extension spring (set of 8). Please verify that the wire diameter, outer diameter, total length, and closed hook dimensions meet your installation requirements before purchasing. There are two optional specifications for the closed hook inner and outer diameters; please specify your required dimensions when placing the order. During installation, avoid exceeding the spring's maximum extension length to prevent permanent deformation or breakage. As the material is spring steel, rust prevention is necessary; please specify if surface treatment is required. Dimensions are measured manually and may have slight variations; please refer to the actual product. This is a custom-made product and is not eligible for no-reason returns; please contact us if there are any quality issues.
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Brand information is provided in the spirit of the spare parts business in accordance with Article 23 of the Trademark Act. The manufacturer of this item has not yet been identified.
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On Oct 7, 2026 at 09:50:39 BST, seller added the following information: