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SPEC Extension Spring: 302 Stainless Steel, 13.2 mm Free Lg, 0.55 mm Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: 302 Stainless Steel, 13.2 mm Free Lg, 0.55 mm Wire Dia

The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring, supplied as a 2 PK with a plain finish. Key specifications include a 13.2 mm free length, 0.55 mm wire diameter, and 3.5 mm O.D. (MPN…

SKU 3G-OTH-679612

Brand
SPEC
Item
Extension Spring: 302 Stainless Steel, 13.2 mm Free Lg, 0.55 mm Wire Dia
Category
Machine Hook Extension Springs
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SPEC
Manufacturer Part Number
HM0350550013S
Type
2 PK
O.D.
3.5 mm
Finish
Plain
Free Lg
13.2 mm
Wire Dia
0.55 mm

Technical Documents

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SPEC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring, supplied as a 2 PK with a plain finish. Key specifications include a 13.2 mm free length, 0.55 mm wire diameter, and 3.5 mm O.D. (MPN HM0350550013S).

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring stores energy and provides resistance to pulling forces. It is commonly used in industrial machinery, automotive assemblies, and general mechanical applications where a controlled return force is required.

What are the specifications of the SPEC extension spring HM0350550013S?

This SPEC extension spring is made of 302 stainless steel with a plain finish. It has a 13.2 mm free length, 0.55 mm wire diameter, and 3.5 mm O.D. It comes as a 2 PK with manufacturer part number HM0350550013S.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 302 stainless steel spring with a 13.2 mm free length.

How to select the right extension spring for an application?

Select an extension spring by matching free length, wire diameter, and outside diameter to your required load and deflection. Ensure the material (e.g., 302 stainless steel) suits the environment. For the SPEC HM0350550013S, verify the 13.2 mm free length and 3.5 mm O.D. meet your needs.

SPEC Products

3G Electric supplies SPEC machine hook extension springs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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