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

SPEC Machine Hook Extension Spring

The SPEC Machine Hook Extension Spring (MPN HM0501000057M) is a music-wire spring with a 56.9 mm free length, 1 mm wire diameter, and 5 mm O.D., supplied as a 2-pack with an oil finish. 3G Electric sources this and…

SKU 3G-OTH-680431

Brand
SPEC
Item
Machine Hook Extension Spring
Category
Machine Hook Extension Springs
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Technical Specifications

SPEC
Manufacturer Part Number
HM0501000057M
Type
2 PK
O.D.
5 mm
Finish
Oil
Free Lg
56.9 mm
Wire Dia
1 mm

Technical Documents

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

Product Description

The SPEC Machine Hook Extension Spring (MPN HM0501000057M) is a music-wire spring with a 56.9 mm free length, 1 mm wire diameter, and 5 mm O.D., supplied as a 2-pack with an oil finish. 3G Electric sources this and other industrial components across 14 departments, with specialist expertise in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is a SPEC Machine Hook Extension Spring used for?

A SPEC Machine Hook Extension Spring provides tension in industrial machinery, pulling components together or returning them to position. It is commonly used in automation, packaging, and material handling equipment where reliable force and fatigue resistance are required.

What are the specifications of the SPEC HM0501000057M extension spring?

The SPEC HM0501000057M is a music-wire extension spring with a 56.9 mm free length, 1 mm wire diameter, and 5 mm O.D. It has a machine hook end type, an oil finish, and is supplied as a 2-pack. These specs suit light to medium tension applications.

Where to buy SPEC extension springs in worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine SPEC components across 14 departments, including specialist expertise in combustion, pumps, and controls. Contact us for availability and delivery.

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

To select the right SPEC extension spring, match free length, wire diameter, and O.D. to your required travel and load. Consider end type (machine hook) and finish (oil for corrosion resistance). For tension applications, ensure the spring's maximum deflection exceeds your working range.

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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Cross-referenced by specification & description
Music wire extension spring with machine hooks, designed to store and release energy under tension. Suitable for light to medium load applications in industrial machinery and mechanical assemblies. Oil finish. Sold as a 2-pack
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Music wire extension spring with machine hooks, designed to store and release energy under tension. Suitable for light to medium load applications in industrial machinery and mechanical assemblies. Oil finish. Sold as a 2-pack
Extension spring with machine hooks for tension applications. Made of music wire with an oil finish. Free length 63.9 mm, wire diameter 0.63 mm, outer diameter 7 mm. Supplied as a 2-pack. Used in machinery, automotive assemblies, and mechanical systems requiring a return force
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Extension spring with machine hooks for tension applications. Made of music wire with an oil finish. Free length 63.9 mm, wire diameter 0.63 mm, outer diameter 7 mm. Supplied as a 2-pack. Used in machinery, automotive assemblies, and mechanical systems requiring a return force
This SPEC extension spring is made of music wire with machine hooks. It has a free length of 59.4 mm, wire diameter of 0.9 mm, and outer diameter of 6.3 mm. The spring features an oil finish and is supplied as a 2-pack. It is used to store and release energy, providing tension in mechanical assemblies such as counterbalances, latches, and conveyor components
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This SPEC extension spring is made of music wire with machine hooks. It has a free length of 59.4 mm, wire diameter of 0.9 mm, and outer diameter of 6.3 mm. The spring features an oil finish and is supplied as a 2-pack. It is used to store and release energy, providing tension in mechanical assemblies such as counterbalances, latches, and conveyor components
Machine hook extension spring made of music wire with oil finish. Wire diameter 0.55 mm, outer diameter 6 mm, free length 101.2 mm. Supplied as a 2-pack. Used to store and release energy by resisting pulling forces in mechanical systems
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Machine hook extension spring made of music wire with oil finish. Wire diameter 0.55 mm, outer diameter 6 mm, free length 101.2 mm. Supplied as a 2-pack. Used to store and release energy by resisting pulling forces in mechanical systems
This extension spring is made of music wire with an oil finish. It features machine hooks for tension applications. The spring has a free length of 22.1 mm, wire diameter of 1.4 mm, and outer diameter of 7 mm. Supplied as a 2-pack
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This extension spring is made of music wire with an oil finish. It features machine hooks for tension applications. The spring has a free length of 22.1 mm, wire diameter of 1.4 mm, and outer diameter of 7 mm. Supplied as a 2-pack
Machine hook extension spring made from music wire with an oil finish. Free length 255 mm, wire diameter 4.5 mm, outer diameter 22 mm. Used to store and release energy in industrial machinery, conveyors, and automation systems
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Machine hook extension spring made from music wire with an oil finish. Free length 255 mm, wire diameter 4.5 mm, outer diameter 22 mm. Used to store and release energy in industrial machinery, conveyors, and automation systems

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Machine hook extension spring made of music wire with oil finish. Free length 7/16 in, wire diameter 0.008 in, outer diameter 0.063 in. Sold in pack of 5. Used to provide pulling force between components in machinery such as automation, packaging, or material handling equipment
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Machine hook extension spring made of music wire with oil finish. Free length 7/16 in, wire diameter 0.008 in, outer diameter 0.063 in. Sold in pack of 5. Used to provide pulling force between components in machinery such as automation, packaging, or material handling equipment
This 5-pack of machine hook extension springs is made from music wire with an oil finish. Each spring has a free length of 3 1/2 inches, wire diameter of 0.029 inches, and outer diameter of 0.24 inches. These springs provide pulling force in mechanical assemblies such as counterbalances, garage doors, and industrial machinery
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This 5-pack of machine hook extension springs is made from music wire with an oil finish. Each spring has a free length of 3 1/2 inches, wire diameter of 0.029 inches, and outer diameter of 0.24 inches. These springs provide pulling force in mechanical assemblies such as counterbalances, garage doors, and industrial machinery
Machine hook extension spring with a plain finish, 0.75 in outer diameter, 0.075 in wire diameter, and 2 3/4 in free length. Supplied as a 2-pack. Used to apply pulling force between components in industrial machinery such as conveyor systems, packaging equipment, or valve assemblies
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Machine hook extension spring with a plain finish, 0.75 in outer diameter, 0.075 in wire diameter, and 2 3/4 in free length. Supplied as a 2-pack. Used to apply pulling force between components in industrial machinery such as conveyor systems, packaging equipment, or valve assemblies
This extension spring features machine hooks for secure attachment in tension applications. With a free length of 2 1/4 inches, wire diameter of 0.049 inches, and outer diameter of 0.75 inches, it provides controlled resistance to pulling forces. Suitable for use in industrial machinery, automotive assemblies, and general manufacturing where a return force is required
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This extension spring features machine hooks for secure attachment in tension applications. With a free length of 2 1/4 inches, wire diameter of 0.049 inches, and outer diameter of 0.75 inches, it provides controlled resistance to pulling forces. Suitable for use in industrial machinery, automotive assemblies, and general manufacturing where a return force is required
This extension spring is made of 302 stainless steel with a plain finish. It has a wire diameter of 0.8 mm, an outer diameter of 5.5 mm, and a free length of 135.8 mm. Supplied as a 2-pack, it stores energy and provides resistance to pulling forces in applications such as industrial machinery, automotive assemblies, and material handling equipment
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This extension spring is made of 302 stainless steel with a plain finish. It has a wire diameter of 0.8 mm, an outer diameter of 5.5 mm, and a free length of 135.8 mm. Supplied as a 2-pack, it stores energy and provides resistance to pulling forces in applications such as industrial machinery, automotive assemblies, and material handling equipment
This 3-pack of machine hook extension springs is made of 302 stainless steel with a plain finish. Each spring has a free length of 7/16 in, wire diameter of 0.011 in, and outer diameter of 0.063 in. Extension springs provide a pulling force between two components, commonly used in industrial machinery and automation assemblies
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This 3-pack of machine hook extension springs is made of 302 stainless steel with a plain finish. Each spring has a free length of 7/16 in, wire diameter of 0.011 in, and outer diameter of 0.063 in. Extension springs provide a pulling force between two components, commonly used in industrial machinery and automation assemblies
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a wire diameter of 0.7 mm, an outer diameter of 3.5 mm, and a free length of 39.8 mm. Supplied as a 2-pack, it stores energy and provides resistance to pulling forces, commonly used in industrial machinery and mechanical systems requiring a return force after extension
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This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a wire diameter of 0.7 mm, an outer diameter of 3.5 mm, and a free length of 39.8 mm. Supplied as a 2-pack, it stores energy and provides resistance to pulling forces, commonly used in industrial machinery and mechanical systems requiring a return force after extension
This extension spring is made of music wire with an oil finish. It has a free length of 4 inches, a wire diameter of 0.115 inches, and an outer diameter of 1 inch. Supplied as a 2-pack, it is used to provide tension in applications such as conveyor systems, packaging equipment, and agricultural implements
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This extension spring is made of music wire with an oil finish. It has a free length of 4 inches, a wire diameter of 0.115 inches, and an outer diameter of 1 inch. Supplied as a 2-pack, it is used to provide tension in applications such as conveyor systems, packaging equipment, and agricultural implements