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

SPEC Extension Spring

The SPEC Extension Spring (MPN HM0450630042M) is a machine hook extension spring made of music wire, with a 42.4 mm free length, 0.63 mm wire diameter, and 4.5 mm O.D., finished in oil. 3G Electric interprets this…

SKU 3G-OTH-681367

Brand
SPEC
Item
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.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SPEC
Manufacturer Part Number
HM0450630042M
O.D
4.5 mm
Finish
Oil
Free Lg
42.4 mm
Wire Dia
0.63 mm

Technical Documents

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

Product Description

The SPEC Extension Spring (MPN HM0450630042M) is a machine hook extension spring made of music wire, with a 42.4 mm free length, 0.63 mm wire diameter, and 4.5 mm O.D., finished in oil. 3G Electric interprets this demand and sources the exact OEM-specified spring across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring the right component for your application.

Frequently Asked Questions

What is the SPEC extension spring HM0450630042M used for?

The SPEC HM0450630042M is a machine hook extension spring used to store and release energy in tension applications. It is commonly found in industrial machinery, automation equipment, and mechanical assemblies across sectors like material handling and pneumatics, where precise spring force is required.

What are the specifications of the SPEC extension spring HM0450630042M?

This SPEC extension spring has a 42.4 mm free length, 0.63 mm wire diameter, and 4.5 mm O.D. It is made of music wire with an oil finish. The manufacturer part number is HM0450630042M. These dimensions ensure compatibility with OEM-specified tension applications.

Where to buy the SPEC extension spring HM0450630042M worldwide?

3G Electric supplies the SPEC extension spring HM0450630042M worldwide. We interpret your demand, source the exact OEM-specified component, and handle full logistics and customs clearance for delivery to your location. Contact us for availability and lead time.

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

Select an extension spring by matching free length, wire diameter, and outer diameter to your assembly's space and load requirements. The SPEC HM0450630042M uses music wire for fatigue resistance. Verify the spring's finish and end type (machine hook) suit your environment. 3G Electric can help confirm fitment.

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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These extension springs feature machine hook ends for secure attachment in tension applications. Supplied as a 3-pack, each spring has a free length of 1 1/2 in, outer diameter of 0.5 in, and wire diameter of 0.055 in with a plain finish. Suitable for use in industrial equipment such as conveyors, valves, and machinery requiring tension
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These extension springs feature machine hook ends for secure attachment in tension applications. Supplied as a 3-pack, each spring has a free length of 1 1/2 in, outer diameter of 0.5 in, and wire diameter of 0.055 in with a plain finish. Suitable for use in industrial equipment such as conveyors, valves, and machinery requiring tension
This extension spring is made of music wire with a 2.8 mm wire diameter, 14 mm outer diameter, and 159 mm free length. It features machine hooks and an oil finish. Used to store and release energy, providing tension in industrial machinery, material handling, automation, and mechanical assemblies
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This extension spring is made of music wire with a 2.8 mm wire diameter, 14 mm outer diameter, and 159 mm free length. It features machine hooks and an oil finish. Used to store and release energy, providing tension in industrial machinery, material handling, automation, and mechanical assemblies
This SPEC extension spring features machine hooks for tension applications in assemblies. With a 1.4 mm wire diameter, 10 mm outer diameter, and 92.8 mm free length, it provides a defined extension range. The plain finish suits general industrial use. Supplied in a pack of two
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This SPEC extension spring features machine hooks for tension applications in assemblies. With a 1.4 mm wire diameter, 10 mm outer diameter, and 92.8 mm free length, it provides a defined extension range. The plain finish suits general industrial use. Supplied in a pack of two
Music wire machine hook extension spring with 0.7 mm wire diameter, 3.5 mm outer diameter, and 15.3 mm free length. Oil finish. Sold as a 2-pack. Used to store and release energy by resisting pulling forces in applications such as industrial machinery, automotive assemblies, and material handling equipment
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Music wire machine hook extension spring with 0.7 mm wire diameter, 3.5 mm outer diameter, and 15.3 mm free length. Oil finish. Sold as a 2-pack. Used to store and release energy by resisting pulling forces in applications such as industrial machinery, automotive assemblies, and material handling equipment
This extension spring is made from 302 stainless steel with a plain finish. It has an outer diameter of 0.85 in, a free length of 3 1/2 in, and a wire diameter of 0.085 in. Machine hook ends allow for secure attachment in applications requiring resistance to pulling forces and controlled return motion
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This extension spring is made from 302 stainless steel with a plain finish. It has an outer diameter of 0.85 in, a free length of 3 1/2 in, and a wire diameter of 0.085 in. Machine hook ends allow for secure attachment in applications requiring resistance to pulling forces and controlled return motion
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Extension spring with machine hooks for tension applications. Wire diameter 0.037 in, outside diameter 0.24 in, free length 1 1/4 in. Plain finish. Supplied as a pack of 5. Suitable for use in industrial machinery, material handling, and automation systems where mechanical energy storage and release is required
Music wire extension spring with machine hooks, oil finish. 18 mm O.D., 3.6 mm wire diameter, 111 mm free length. Used to store and release mechanical energy in tension applications such as counterbalancing, lifting, or pulling components in industrial machinery, conveyors, and automation systems
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Music wire extension spring with machine hooks, oil finish. 18 mm O.D., 3.6 mm wire diameter, 111 mm free length. Used to store and release mechanical energy in tension applications such as counterbalancing, lifting, or pulling components in industrial machinery, conveyors, and automation systems
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