Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SPEC Extension Spring: Music Wire - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire

The SPEC Extension Spring (SKU H15001778000M, MPN H15001778000M) is a machine hook extension spring made of music wire with a free length of 8 in, wire diameter of 0.177 in, and outer diameter of 1.5 in, finished…

SKU 3G-OTH-680987

Brand
SPEC
Item
Extension Spring: Music Wire
Part Number
H15001778000M
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 — 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
H15001778000M
O.D
1.5 in
Finish
Oil
Free Lg
8 in
Wire Dia
0.177 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 (SKU H15001778000M, MPN H15001778000M) is a machine hook extension spring made of music wire with a free length of 8 in, wire diameter of 0.177 in, and outer diameter of 1.5 in, finished with oil.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring is used to store and release energy in tension applications, such as counterbalancing, lifting, or pulling mechanisms in industrial machinery, automotive assemblies, and material handling equipment.

What are the specifications of the SPEC extension spring H15001778000M?

The SPEC extension spring H15001778000M has a free length of 8 in, wire diameter of 0.177 in, outer diameter of 1.5 in, and an oil finish. It is made of music wire with machine hooks for secure attachment.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance. We source genuine industrial components across 14 departments, including springs, and deliver to your facility globally.

How to select the right extension spring for an application?

To select the right extension spring, match free length, wire diameter, outer diameter, and material to your load and deflection requirements. For the SPEC H15001778000M, ensure the oil finish suits your environment and the machine hooks fit your mounting points.

Not sure this is the right part? Photo-identify it

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
Machine hook extension spring made of 302 stainless steel with plain finish. Free length 9.9 mm, wire diameter 0.55 mm, outer diameter 3.5 mm. Supplied as a 2-pack. Used in industrial machinery and mechanical assemblies to store energy and provide resistance to pulling forces
SPEC
Machine hook extension spring made of 302 stainless steel with plain finish. Free length 9.9 mm, wire diameter 0.55 mm, outer diameter 3.5 mm. Supplied as a 2-pack. Used in industrial machinery and mechanical assemblies to store energy and provide resistance to pulling forces
This extension spring is made of music wire with machine hooks and an oil finish. It has a free length of 6 inches, wire diameter of 0.177 inches, and outer diameter of 1.75 inches. Used in industrial machinery to provide tension in applications such as combustion equipment, pumps, and controls
SPEC
This extension spring is made of music wire with machine hooks and an oil finish. It has a free length of 6 inches, wire diameter of 0.177 inches, and outer diameter of 1.75 inches. Used in industrial machinery to provide tension in applications such as combustion equipment, pumps, and controls
This extension spring is made of 302 stainless steel with a plain finish. It has a free length of 7-1/2 inches, wire diameter of 0.207 inches, and outer diameter of 2 inches. Machine hook ends allow for attachment in tension applications, commonly used in industrial machinery and equipment to provide controlled return motion
SPEC
This extension spring is made of 302 stainless steel with a plain finish. It has a free length of 7-1/2 inches, wire diameter of 0.207 inches, and outer diameter of 2 inches. Machine hook ends allow for attachment in tension applications, commonly used in industrial machinery and equipment to provide controlled return motion
Machine hook extension spring with a free length of 1 3/4 in, wire diameter of 0.075 in, and outer diameter of 0.5 in. Supplied as a 2-pack with a plain finish. Used to provide tension in mechanical assemblies such as counterbalances, latches, and conveyor systems
SPEC
Machine hook extension spring with a free length of 1 3/4 in, wire diameter of 0.075 in, and outer diameter of 0.5 in. Supplied as a 2-pack with a plain finish. Used to provide tension in mechanical assemblies such as counterbalances, latches, and conveyor systems
Extension spring with machine hooks for tension applications. Wire diameter 1.6 mm, outside diameter 17 mm, free length 49.3 mm. Plain finish. Supplied as a pack of 2. Used to exert a pulling force between components in industrial machinery
SPEC
Extension spring with machine hooks for tension applications. Wire diameter 1.6 mm, outside diameter 17 mm, free length 49.3 mm. Plain finish. Supplied as a pack of 2. Used to exert a pulling force between components in industrial machinery
This SPEC extension spring is made of music wire with machine hook ends. It has an outer diameter of 6 mm, wire diameter of 1.2 mm, and free length of 92.3 mm. The spring features an oil finish and is supplied as a 2-pack. It is used to store and release energy by resisting pulling forces in mechanical systems
SPEC
This SPEC extension spring is made of music wire with machine hook ends. It has an outer diameter of 6 mm, wire diameter of 1.2 mm, and free length of 92.3 mm. The spring features an oil finish and is supplied as a 2-pack. It is used to store and release energy by resisting pulling forces in mechanical systems
Machine hook extension spring, 302 stainless steel, plain finish. Free length 3 1/2 in, wire diameter 0.029 in, outer diameter 0.24 in. Supplied in a 3-pack. Used to apply pulling force between components in machinery, automotive, and agricultural applications
SPEC
Machine hook extension spring, 302 stainless steel, plain finish. Free length 3 1/2 in, wire diameter 0.029 in, outer diameter 0.24 in. Supplied in a 3-pack. Used to apply pulling force between components in machinery, automotive, and agricultural applications
This extension spring is made of 302 stainless steel with a plain finish. It features machine hooks on both ends for tension applications. With a 2 in outer diameter, 5 1/2 in free length, and 0.177 in wire diameter, it is suited for industrial machinery, material handling, and automation systems requiring a pulling force
SPEC
This extension spring is made of 302 stainless steel with a plain finish. It features machine hooks on both ends for tension applications. With a 2 in outer diameter, 5 1/2 in free length, and 0.177 in wire diameter, it is suited for industrial machinery, material handling, and automation systems requiring a pulling force