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SPEC HM1803600057S Extension Spring - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC HM1803600057S Extension Spring

The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring with a free length of 56.9 mm, wire diameter of 3.6 mm, and outer diameter of 18 mm. It features a plain finish and is identified by…

SKU 3G-OTH-680235

Brand
SPEC
Item
HM1803600057S Extension Spring
Category
Machine Hook Extension Springs
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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
HM1803600057S
O.D
18 mm
Finish
Plain
Free Lg
56.9 mm
Wire Dia
3.6 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 with a free length of 56.9 mm, wire diameter of 3.6 mm, and outer diameter of 18 mm. It features a plain finish and is identified by manufacturer part number HM1803600057S.

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 used in industrial machinery, automotive assemblies, and material handling equipment where a controlled return motion or tension is required.

What are the specifications of the SPEC extension spring HM1803600057S?

This SPEC extension spring is made of 302 stainless steel with a plain finish. It has a free length of 56.9 mm, wire diameter of 3.6 mm, and outer diameter of 18 mm. The manufacturer part number is HM1803600057S.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this HM1803600057S spring.

How to select the right extension spring for an application?

Select an extension spring by matching free length, wire diameter, outer diameter, and material to your load and deflection requirements. For corrosive environments, 302 stainless steel like this SPEC spring offers good resistance. Consult a spring engineering guide for precise calculations.

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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Machine hook extension spring made of 302 stainless steel with plain finish. Free length 1 1/4 in, wire diameter 0.041 in, outer diameter 0.36 in. Sold in pack of 5. Used to provide pulling force in industrial machinery such as material handling, packaging equipment, and automation systems
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This extension spring is made of music wire with an oil finish. It has a 2.5 mm wire diameter, 13 mm outside diameter, and 105.5 mm free length. Machine hooks at each end provide secure attachment. Commonly used in industrial machinery, automation, and material handling systems to store and release energy or return components to position
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