We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

SPEC Extension Spring: Music Wire, 6 1/2 in Free Lg, 0.135 in Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 6 1/2 in Free Lg, 0.135 in Wire Dia

The SPEC Extension Spring is a machine hook extension spring made of music wire, with a 0.135 in wire diameter, 1.25 in O.D., and 6 1/2 in free length, finished in oil (MPN MH12501356500M). 3G Electric sources this…

SKU 3G-OTH-680751

Brand
SPEC
Item
Extension Spring: Music Wire, 6 1/2 in Free Lg, 0.135 in Wire Dia
Category
Machine Hook Extension Springs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

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
MH12501356500M
O.D
1.25 in
Finish
Oil
Free Lg
6 1/2 in
Wire Dia
0.135 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SPEC Extension Spring is a machine hook extension spring made of music wire, with a 0.135 in wire diameter, 1.25 in O.D., and 6 1/2 in free length, finished in oil (MPN MH12501356500M). 3G Electric sources this spring across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring stores and releases energy by resisting a pulling force. It is used in industrial machinery, material handling equipment, and automation systems to return components to their original position after being stretched.

What are the specifications of the SPEC extension spring MH12501356500M?

The SPEC extension spring MH12501356500M has a 0.135 in wire diameter, 1.25 in O.D., and 6 1/2 in free length. It is made of music wire with an oil finish. 3G Electric supplies this spring across 14 industrial departments.

Where to buy a SPEC extension spring worldwide?

3G Electric supplies the SPEC extension spring worldwide, handling logistics, customs, and delivery. As a global industrial solutions provider, we source this spring across 14 departments, with specialist expertise in combustion, pumps, and controls for accurate support.

How to select a SPEC extension spring for an application?

To select a SPEC extension spring, match the wire diameter, outer diameter, and free length to your load and space requirements. Consider the material—music wire offers high tensile strength. 3G Electric can help verify specifications for your industrial application.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from SPEC

View all SPEC parts
This 5-pack of machine hook extension springs is designed for tension applications requiring components to be pulled together or returned to a starting position. Each spring has a 0.045 in wire diameter, 0.36 in O.D., and 3/4 in free length with a plain finish. Suitable for light to medium tension loads in industrial machinery, agricultural equipment, and automotive assemblies
SPEC
This 5-pack of machine hook extension springs is designed for tension applications requiring components to be pulled together or returned to a starting position. Each spring has a 0.045 in wire diameter, 0.36 in O.D., and 3/4 in free length with a plain finish. Suitable for light to medium tension loads in industrial machinery, agricultural equipment, and automotive assemblies
This machine hook extension spring stores energy and provides resistance to pulling forces. It is used in applications requiring a controlled return force, such as industrial machinery, automotive assemblies, and material handling equipment. The spring has a 1.25 in outer diameter, 5 1/2 in free length, 0.115 in wire diameter, and a plain finish
SPEC
This machine hook extension spring stores energy and provides resistance to pulling forces. It is used in applications requiring a controlled return force, such as industrial machinery, automotive assemblies, and material handling equipment. The spring has a 1.25 in outer diameter, 5 1/2 in free length, 0.115 in wire diameter, and a plain finish
This extension spring features machine hooks on both ends for secure attachment. It stores energy and resists pulling forces, commonly used in industrial machinery, automotive assemblies, and material handling equipment requiring controlled return motion or tension
SPEC
This extension spring features machine hooks on both ends for secure attachment. It stores energy and resists pulling forces, commonly used in industrial machinery, automotive assemblies, and material handling equipment requiring controlled return motion or tension
Extension spring with machine hooks, constructed from music wire with an oil finish. Provides pulling force in tension applications such as material handling, packaging equipment, and automation systems. Supplied as a 2-pack. Free length: 3 in, wire diameter: 0.125 in, outer diameter: 0.75 in
SPEC
Extension spring with machine hooks, constructed from music wire with an oil finish. Provides pulling force in tension applications such as material handling, packaging equipment, and automation systems. Supplied as a 2-pack. Free length: 3 in, wire diameter: 0.125 in, outer diameter: 0.75 in
This carbon steel extension spring features machine hook ends for secure attachment in tension applications. With a 2 mm wire diameter, 14 mm outer diameter, and 98 mm free length, it provides consistent force in industrial machinery such as conveyors, valves, and agricultural equipment. The corrosion inhibitor finish offers protection in environments where moisture resistance is required
SPEC
This carbon steel extension spring features machine hook ends for secure attachment in tension applications. With a 2 mm wire diameter, 14 mm outer diameter, and 98 mm free length, it provides consistent force in industrial machinery such as conveyors, valves, and agricultural equipment. The corrosion inhibitor finish offers protection in environments where moisture resistance is required
This 2-pack of machine hook extension springs is made from music wire with an oil finish. Each spring has a free length of 5-1/2 inches, a wire diameter of 0.095 inches, and an outer diameter of 1 inch. Extension springs with machine hooks are used to provide pulling force in assemblies such as counterbalances, garage doors, and agricultural equipment
SPEC
This 2-pack of machine hook extension springs is made from music wire with an oil finish. Each spring has a free length of 5-1/2 inches, a wire diameter of 0.095 inches, and an outer diameter of 1 inch. Extension springs with machine hooks are used to provide pulling force in assemblies such as counterbalances, garage doors, and agricultural equipment
Extension spring with machine hook ends, 302 stainless steel, plain finish. Free length 2 3/4 in, wire diameter 0.125 in, outer diameter 1 in. Provides tension in applications such as machinery counterbalances, door returns, and conveyor systems
SPEC
Extension spring with machine hook ends, 302 stainless steel, plain finish. Free length 2 3/4 in, wire diameter 0.125 in, outer diameter 1 in. Provides tension in applications such as machinery counterbalances, door returns, and conveyor systems
This extension spring features machine hook ends for tension applications in industrial machinery, material handling, and automation systems. It is made from 302 stainless steel with a plain finish, 3.6 mm wire diameter, 25 mm outer diameter, and 122 mm free length
SPEC
This extension spring features machine hook ends for tension applications in industrial machinery, material handling, and automation systems. It is made from 302 stainless steel with a plain finish, 3.6 mm wire diameter, 25 mm outer diameter, and 122 mm free length