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

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

SPEC Machine Hook Extension Spring

The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring with a 1 in free length, 0.024 in wire diameter, and 0.18 in outer diameter. Supplied in a 5 PK with a plain finish (MPN…

SKU 3G-OTH-680340

Brand
SPEC
Item
Machine Hook Extension Spring
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
H01800241000S
Type
5 PK
O.D.
0.18 in
Finish
Plain
Free Lg
1 in
Wire Dia
0.024 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 302 Stainless Steel machine hook extension spring with a 1 in free length, 0.024 in wire diameter, and 0.18 in outer diameter. Supplied in a 5 PK with a plain finish (MPN H01800241000S), this component is sourced and quoted by 3G Electric across 14 industrial departments, with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the SPEC Extension Spring used for?

The SPEC Extension Spring is a 302 stainless steel machine hook spring used to provide tension in industrial assemblies. It is commonly applied in machinery, automation, and material handling systems where corrosion resistance and consistent force are required.

What are the specifications of the SPEC Extension Spring?

This SPEC Extension Spring has a 1 in free length, 0.024 in wire diameter, and 0.18 in outer diameter. It comes in a 5 PK with a plain finish. The manufacturer part number is H01800241000S. It is made from 302 stainless steel for durability.

Where to buy the SPEC Extension Spring worldwide?

3G Electric supplies the SPEC Extension Spring worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this component to your facility. Contact us to source and quote this spring for your application.

How to select the right extension spring for an application?

To select the right extension spring, match free length, wire diameter, and outer diameter to your assembly's space and load requirements. Consider material—302 stainless steel offers corrosion resistance. For expert guidance, 3G Electric can help interpret your needs and source the correct SPEC spring.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
This extension spring features machine hooks for secure attachment in tension applications. With a free length of 3/4 in, wire diameter of 0.018 in, and outer diameter of 0.18 in, it provides controlled force in limited-space assemblies. The plain finish and 302 stainless steel construction offer corrosion resistance. Suitable for general industrial tensioning and return mechanisms
SPEC
This extension spring features machine hooks for secure attachment in tension applications. With a free length of 3/4 in, wire diameter of 0.018 in, and outer diameter of 0.18 in, it provides controlled force in limited-space assemblies. The plain finish and 302 stainless steel construction offer corrosion resistance. Suitable for general industrial tensioning and return mechanisms
Extension spring with machine hooks, 0.094 in outer diameter, 3/4 in free length, 0.013 in wire diameter, plain finish. Supplied as a pack of 3. Used to provide pulling force in mechanical assemblies such as counterbalances, garage doors, and industrial machinery
SPEC
Extension spring with machine hooks, 0.094 in outer diameter, 3/4 in free length, 0.013 in wire diameter, plain finish. Supplied as a pack of 3. Used to provide pulling force in mechanical assemblies such as counterbalances, garage doors, and industrial machinery
This machine hook extension spring provides a pulling force in mechanical assemblies for counterbalancing, tensioning, or returning components to their original position. It has a free length of 4 1/2 in, wire diameter of 0.045 in, outer diameter of 0.5 in, and a plain finish. Supplied in a 3-pack
SPEC
This machine hook extension spring provides a pulling force in mechanical assemblies for counterbalancing, tensioning, or returning components to their original position. It has a free length of 4 1/2 in, wire diameter of 0.045 in, outer diameter of 0.5 in, and a plain finish. Supplied in a 3-pack
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has an outside diameter of 0.18 in, wire diameter of 0.026 in, and free length of 3/4 in. Supplied as a 5-pack, it is used to provide tension in mechanical assemblies such as counterbalances and industrial machinery
SPEC
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has an outside diameter of 0.18 in, wire diameter of 0.026 in, and free length of 3/4 in. Supplied as a 5-pack, it is used to provide tension in mechanical assemblies such as counterbalances and industrial machinery
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has an outside diameter of 0.18 in, a free length of 1/2 in, and a wire diameter of 0.031 in. Supplied in a pack of 5, it is used in industrial machinery and equipment to store and release energy, providing tension in assemblies such as counterbalances, latches, and conveyor systems
SPEC
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has an outside diameter of 0.18 in, a free length of 1/2 in, and a wire diameter of 0.031 in. Supplied in a pack of 5, it is used in industrial machinery and equipment to store and release energy, providing tension in assemblies such as counterbalances, latches, and conveyor systems
Extension spring with machine hooks, 302 stainless steel, plain finish. Free length 1 1/2 in, wire diameter 0.029 in, outer diameter 0.24 in. Sold as a 5-pack. Used for tensioning, counterbalancing, or latch return in mechanical assemblies
SPEC
Extension spring with machine hooks, 302 stainless steel, plain finish. Free length 1 1/2 in, wire diameter 0.029 in, outer diameter 0.24 in. Sold as a 5-pack. Used for tensioning, counterbalancing, or latch return in mechanical assemblies

More from SPEC

View all SPEC parts
Machine hook extension spring made of music wire with a 0.207 in wire diameter, 1.75 in O.D., and 6 1/2 in free length. Finished in oil for moderate corrosion resistance. Used in industrial machinery to provide tension and return force in applications such as conveyor systems, packaging equipment, and agricultural implements
SPEC
Machine hook extension spring made of music wire with a 0.207 in wire diameter, 1.75 in O.D., and 6 1/2 in free length. Finished in oil for moderate corrosion resistance. Used in industrial machinery to provide tension and return force in applications such as conveyor systems, packaging equipment, and agricultural implements
Music wire extension spring with machine hooks. 0.037 in wire diameter, 0.5 in outer diameter, 2 1/4 in free length. Oil finish. Sold in a pack of 3. Used to provide tension in assemblies such as counterbalances, latches, and conveyor systems
SPEC
Music wire extension spring with machine hooks. 0.037 in wire diameter, 0.5 in outer diameter, 2 1/4 in free length. Oil finish. Sold in a pack of 3. Used to provide tension in assemblies such as counterbalances, latches, and conveyor systems
This extension spring features machine hooks for secure attachment in tension applications. With a free length of 80.8 mm, wire diameter of 2 mm, and outer diameter of 22 mm, it provides controlled force in industrial machinery, automation, and material handling systems. The 302 stainless steel construction with plain finish offers corrosion resistance for use in food processing, medical devices, and outdoor equipment
SPEC
This extension spring features machine hooks for secure attachment in tension applications. With a free length of 80.8 mm, wire diameter of 2 mm, and outer diameter of 22 mm, it provides controlled force in industrial machinery, automation, and material handling systems. The 302 stainless steel construction with plain finish offers corrosion resistance for use in food processing, medical devices, and outdoor equipment
This extension spring features machine hooks for tension applications in industrial assemblies. It is constructed from 302 stainless steel with a plain finish. The spring has a free length of 1 1/4 in, wire diameter of 0.026 in, and outer diameter of 0.24 in. Supplied as a 5-pack
SPEC
This extension spring features machine hooks for tension applications in industrial assemblies. It is constructed from 302 stainless steel with a plain finish. The spring has a free length of 1 1/4 in, wire diameter of 0.026 in, and outer diameter of 0.24 in. Supplied as a 5-pack
Machine hook extension spring made of music wire with an oil finish. Free length of 4-1/2 inches, wire diameter of 0.055 inches, and outer diameter of 0.36 inches. Sold in a pack of 5. Commonly used to store and release energy by resisting a pulling force in applications requiring a controlled return motion
SPEC
Machine hook extension spring made of music wire with an oil finish. Free length of 4-1/2 inches, wire diameter of 0.055 inches, and outer diameter of 0.36 inches. Sold in a pack of 5. Commonly used to store and release energy by resisting a pulling force in applications requiring a controlled return motion
This extension spring is made of music wire with an oil finish. It has a wire diameter of 0.014 in, an outer diameter of 0.094 in, and a free length of 7/8 in. Supplied in a 5-pack, it is used to provide a pulling force in mechanical assemblies such as industrial machinery and automotive components
SPEC
This extension spring is made of music wire with an oil finish. It has a wire diameter of 0.014 in, an outer diameter of 0.094 in, and a free length of 7/8 in. Supplied in a 5-pack, it is used to provide a pulling force in mechanical assemblies such as industrial machinery and automotive components
This machine hook extension spring is made of music wire with an oil finish. It has a free length of 2 inches, wire diameter of 0.055 inches, and outer diameter of 0.3 inches. Suitable for applications requiring tension force, such as in conveyor systems, agricultural machinery, and valve assemblies. Sold in a pack of 5
SPEC
This machine hook extension spring is made of music wire with an oil finish. It has a free length of 2 inches, wire diameter of 0.055 inches, and outer diameter of 0.3 inches. Suitable for applications requiring tension force, such as in conveyor systems, agricultural machinery, and valve assemblies. Sold in a pack of 5
This extension spring is made of music wire with machine hook ends. It has a free length of 41.2 mm, wire diameter of 2.2 mm, and outer diameter of 15 mm, with an oil finish. Used in applications requiring tensile force, such as counterbalances, door mechanisms, and tensioning systems
SPEC
This extension spring is made of music wire with machine hook ends. It has a free length of 41.2 mm, wire diameter of 2.2 mm, and outer diameter of 15 mm, with an oil finish. Used in applications requiring tensile force, such as counterbalances, door mechanisms, and tensioning systems