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

SPEC Machine Hook Extension Spring

The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied as a 2-pack. Each spring has a 55.4 mm free length, 1.8 mm wire diameter, and 9 mm outer diameter, with an oil finish (MPN…

SKU 3G-OTH-681187

Brand
SPEC
Item
Machine Hook Extension Spring
Category
Machine Hook Extension Springs
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SPEC
Manufacturer Part Number
HM0901800055M
Type
2 PK
O.D.
9 mm
Finish
Oil
Free Lg
55.4 mm
Wire Dia
1.8 mm

Technical Documents

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

Product Description

The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied as a 2-pack. Each spring has a 55.4 mm free length, 1.8 mm wire diameter, and 9 mm outer diameter, with an oil finish (MPN HM0901800055M).

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 material handling equipment to return components to their original position after extension.

What are the specifications of the SPEC extension spring HM0901800055M?

This SPEC extension spring is made of music wire with an oil finish. Each spring has a 55.4 mm free length, 1.8 mm wire diameter, and 9 mm outer diameter. It is supplied as a 2-pack with machine hook ends.

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 to order the HM0901800055M or other SPEC spring sizes for your industrial application.

How to select the right SPEC extension spring for an application?

Select a SPEC extension spring by matching free length, wire diameter, outer diameter, and end type to your load and space requirements. Ensure the spring's maximum extended length and working load range suit your mechanism. Music wire offers good fatigue life for general industrial use.

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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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
This extension spring is made from music wire with machine hooks and an oil finish. It has a free length of 132 mm, wire diameter of 2 mm, and outer diameter of 14 mm. Used to provide controlled tension in mechanical assemblies, such as industrial machinery, conveyors, and automation systems
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