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

SPEC 302 Stainless Steel Machine Hook Extension Spring - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC 302 Stainless Steel Machine Hook Extension Spring

The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring with a free length of 8 in, wire diameter of 0.177 in, and outer diameter of 2 in. It features a plain finish and is identified by…

SKU 3G-OTH-679049

Brand
SPEC
Item
302 Stainless Steel 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

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
H20001778000S
O.D
2 in
Finish
Plain
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 is a 302 Stainless Steel machine hook extension spring with a free length of 8 in, wire diameter of 0.177 in, and outer diameter of 2 in. It features a plain finish and is identified by manufacturer part number H20001778000S.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring is used to store energy and provide resistance to pulling forces in industrial machinery, automation equipment, and mechanical assemblies. Its 302 stainless steel construction suits applications requiring corrosion resistance, such as food processing, packaging, and chemical environments.

What are the specifications of the SPEC extension spring H20001778000S?

The SPEC extension spring H20001778000S has a free length of 8 in, wire diameter of 0.177 in, and outer diameter of 2 in. It is made of 302 stainless steel with a plain finish. These dimensions define its load capacity and extension range for engineering design.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance for international orders. We source genuine industrial components across 14 departments, including springs, and deliver to your facility. Contact us for pricing and lead time on the H20001778000S.

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 required load and extension. Consider material—302 stainless steel offers corrosion resistance. Ensure the spring's maximum extended length and hook style fit your assembly. Consult engineering guidelines for safety factors.

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 extension spring is made from music wire with a machine hook end configuration. It has an outside diameter of 1.5 in, a wire diameter of 0.177 in, and a free length of 4 1/2 in. The spring is finished with oil. Typical applications include industrial machinery, automotive assemblies, and material handling equipment where controlled return motion is required
SPEC
This extension spring is made from music wire with a machine hook end configuration. It has an outside diameter of 1.5 in, a wire diameter of 0.177 in, and a free length of 4 1/2 in. The spring is finished with oil. Typical applications include industrial machinery, automotive assemblies, and material handling equipment where controlled return motion is required
This machine hook extension spring is made of music wire with an oil finish. It has a 1.125 in outer diameter, 0.125 in wire diameter, and 4 1/2 in free length. 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
SPEC
This machine hook extension spring is made of music wire with an oil finish. It has a 1.125 in outer diameter, 0.125 in wire diameter, and 4 1/2 in free length. 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
Extension spring with machine hooks for tension applications. Made of 302 stainless steel with plain finish. Free length 5 in, wire diameter 0.135 in, outer diameter 1.25 in. Used in industrial machinery requiring pulling force, such as material handling, packaging, and automation systems
SPEC
Extension spring with machine hooks for tension applications. Made of 302 stainless steel with plain finish. Free length 5 in, wire diameter 0.135 in, outer diameter 1.25 in. Used in industrial machinery requiring pulling force, such as material handling, packaging, and automation systems
Extension spring with machine hooks for pulling force applications. 302 stainless steel construction with plain finish. Free length 1 1/4 in, wire diameter 0.029 in, outside diameter 0.24 in. Sold as a 5-pack
SPEC
Extension spring with machine hooks for pulling force applications. 302 stainless steel construction with plain finish. Free length 1 1/4 in, wire diameter 0.029 in, outside diameter 0.24 in. Sold as a 5-pack
This extension spring is made of music wire with a machine hook design and an oil finish. It has an outer diameter of 5.5 mm, a free length of 27.7 mm, and a wire diameter of 0.5 mm. Supplied as a 2-pack, it is used to store and release energy by resisting pulling forces in applications such as latches, clutches, and counterbalances
SPEC
This extension spring is made of music wire with a machine hook design and an oil finish. It has an outer diameter of 5.5 mm, a free length of 27.7 mm, and a wire diameter of 0.5 mm. Supplied as a 2-pack, it is used to store and release energy by resisting pulling forces in applications such as latches, clutches, and counterbalances
This extension spring is made from music wire with an oil finish. It has a free length of 79.4 mm, wire diameter of 3.2 mm, and outer diameter of 22 mm. Machine hook ends allow for attachment in tension applications such as counterbalances, linkages, and conveyor systems
SPEC
This extension spring is made from music wire with an oil finish. It has a free length of 79.4 mm, wire diameter of 3.2 mm, and outer diameter of 22 mm. Machine hook ends allow for attachment in tension applications such as counterbalances, linkages, and conveyor systems
This machine hook extension spring is made from 302 stainless steel with a plain finish. It has an outer diameter of 0.3 in, wire diameter of 0.037 in, and free length of 1-1/4 in. Supplied in a pack of 5, it is used to apply a pulling force between two components in mechanical assemblies
SPEC
This machine hook extension spring is made from 302 stainless steel with a plain finish. It has an outer diameter of 0.3 in, wire diameter of 0.037 in, and free length of 1-1/4 in. Supplied in a pack of 5, it is used to apply a pulling force between two components in mechanical assemblies
Music-wire extension spring with machine hooks. Free length 39 mm, wire diameter 0.8 mm, outer diameter 5.5 mm. Oil finish. Supplied as a 2-pack. Used for storing and releasing mechanical energy in tensioning assemblies, valves, conveyors, and other industrial equipment
SPEC
Music-wire extension spring with machine hooks. Free length 39 mm, wire diameter 0.8 mm, outer diameter 5.5 mm. Oil finish. Supplied as a 2-pack. Used for storing and releasing mechanical energy in tensioning assemblies, valves, conveyors, and other industrial equipment