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

3G Electric
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
Part Number
H20001778000S
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.

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
Carbon steel extension spring with machine hook ends, 2.8 mm wire diameter, 14 mm O.D., 215.1 mm free length, and corrosion inhibitor finish. Provides tension in machinery, conveyors, and automation systems where secure attachment to components is required
SPEC
Carbon steel extension spring with machine hook ends, 2.8 mm wire diameter, 14 mm O.D., 215.1 mm free length, and corrosion inhibitor finish. Provides tension in machinery, conveyors, and automation systems where secure attachment to components is required
Music wire extension spring with machine hooks. 0.049 in wire diameter, 0.3 in outer diameter, 1 1/8 in free length. Oil finish. Supplied in a 5-pack. Used to provide pulling force in assemblies such as counterbalances and garage doors
SPEC
Music wire extension spring with machine hooks. 0.049 in wire diameter, 0.3 in outer diameter, 1 1/8 in free length. Oil finish. Supplied in a 5-pack. Used to provide pulling force in assemblies such as counterbalances and garage doors
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
SPEC
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
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
SPEC
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
This machine hook extension spring is made of music wire with an oil finish. It has a free length of 10 inches, a wire diameter of 0.177 inches, and an outer diameter of 2 inches. Used to provide pulling force in applications such as counterbalancing, tensioning, and return mechanisms
SPEC
This machine hook extension spring is made of music wire with an oil finish. It has a free length of 10 inches, a wire diameter of 0.177 inches, and an outer diameter of 2 inches. Used to provide pulling force in applications such as counterbalancing, tensioning, and return mechanisms
Music wire extension spring with machine hooks, oil finish. Free length 340 mm, wire diameter 4.5 mm, outer diameter 50 mm. Provides tension in industrial machinery, conveyors, and automation systems
SPEC
Music wire extension spring with machine hooks, oil finish. Free length 340 mm, wire diameter 4.5 mm, outer diameter 50 mm. Provides tension in industrial machinery, conveyors, and automation systems
Extension spring with machine hooks for tension and return force in mechanical assemblies. Free length 123 mm, wire diameter 4 mm, outer diameter 20 mm. Plain finish. Suitable for applications requiring consistent spring force, such as in industrial equipment and machinery
SPEC
Extension spring with machine hooks for tension and return force in mechanical assemblies. Free length 123 mm, wire diameter 4 mm, outer diameter 20 mm. Plain finish. Suitable for applications requiring consistent spring force, such as in industrial equipment and machinery
This SPEC extension spring is made of music wire with machine hooks on both ends. It has a free length of 29.2 mm, wire diameter of 0.7 mm, and outer diameter of 3.5 mm. The oil finish provides corrosion resistance. Supplied in a 2-pack, it is used to provide tension in mechanical assemblies such as counterbalances and industrial machinery
SPEC
This SPEC extension spring is made of music wire with machine hooks on both ends. It has a free length of 29.2 mm, wire diameter of 0.7 mm, and outer diameter of 3.5 mm. The oil finish provides corrosion resistance. Supplied in a 2-pack, it is used to provide tension in mechanical assemblies such as counterbalances and industrial machinery

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first