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

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, supplied in a 5 PK. It features a 2 in free length, 0.055 in wire diameter, and 0.3 in O.D., with a plain finish (MPN H03000552000S).

SKU 3G-OTH-680667

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

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
H03000552000S
Type
5 PK
O.D.
0.3 in
Finish
Plain
Free Lg
2 in
Wire Dia
0.055 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, supplied in a 5 PK. It features a 2 in free length, 0.055 in wire diameter, and 0.3 in O.D., with a plain finish (MPN H03000552000S).

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring is used to provide a pulling force in mechanical assemblies, such as counterbalances, garage doors, and industrial machinery. The 302 stainless steel construction offers corrosion resistance for demanding environments.

What are the specifications of the SPEC extension spring H03000552000S?

This SPEC extension spring has a 2 in free length, 0.055 in wire diameter, and 0.3 in O.D., with a plain finish. It is a 5 PK of machine hook extension springs made from 302 stainless steel.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine parts like the H03000552000S to your location.

How to select the right extension spring for an application?

To select the right extension spring, match free length, wire diameter, and O.D. to your load and space requirements. The SPEC H03000552000S with 0.055 in wire diameter suits light to medium loads. Consult a spring rate chart for precise force needs.

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 features machine hook ends for secure attachment in tension applications. Constructed from carbon steel with a corrosion inhibitor finish, it has a 1.4 mm wire diameter, 15 mm outer diameter, and 55.9 mm free length. Supplied in a 2-pack, it is suitable for use in mechanical assemblies such as industrial machinery, conveyors, and automation systems
SPEC
This extension spring features machine hook ends for secure attachment in tension applications. Constructed from carbon steel with a corrosion inhibitor finish, it has a 1.4 mm wire diameter, 15 mm outer diameter, and 55.9 mm free length. Supplied in a 2-pack, it is suitable for use in mechanical assemblies such as industrial machinery, conveyors, and automation systems
Machine hook extension spring made of music wire with an oil finish. Wire diameter 0.055 in, outside diameter 0.42 in, free length 1 3/8 in. Supplied in a 5-pack. Used for providing pulling force in tensioning assemblies, counterbalance systems, and gate return mechanisms
SPEC
Machine hook extension spring made of music wire with an oil finish. Wire diameter 0.055 in, outside diameter 0.42 in, free length 1 3/8 in. Supplied in a 5-pack. Used for providing pulling force in tensioning assemblies, counterbalance systems, and gate return mechanisms
Plain finish extension spring with machine hooks, 302 stainless steel. Free length 19 mm, wire diameter 1 mm, outer diameter 7 mm. Supplied as a 2-pack. Used to provide tension in industrial assemblies such as material handling, packaging equipment, and general machinery
SPEC
Plain finish extension spring with machine hooks, 302 stainless steel. Free length 19 mm, wire diameter 1 mm, outer diameter 7 mm. Supplied as a 2-pack. Used to provide tension in industrial assemblies such as material handling, packaging equipment, and general machinery
This extension spring features machine hooks on both ends for tension applications in mechanical assemblies. With a free length of 4 in, wire diameter of 0.135 in, and outer diameter of 1.25 in, it provides consistent force in industrial equipment such as conveyors, packaging machinery, and automation systems. The plain finish offers basic corrosion resistance for general-purpose use
SPEC
This extension spring features machine hooks on both ends for tension applications in mechanical assemblies. With a free length of 4 in, wire diameter of 0.135 in, and outer diameter of 1.25 in, it provides consistent force in industrial equipment such as conveyors, packaging machinery, and automation systems. The plain finish offers basic corrosion resistance for general-purpose use
This 2-pack of machine hook extension springs features 0.085 in wire diameter, 0.75 in outer diameter, and 2 3/4 in free length. The oil finish provides corrosion resistance. Commonly used in industrial assemblies requiring pulling force, such as counterbalances and garage doors
SPEC
This 2-pack of machine hook extension springs features 0.085 in wire diameter, 0.75 in outer diameter, and 2 3/4 in free length. The oil finish provides corrosion resistance. Commonly used in industrial assemblies requiring pulling force, such as counterbalances and garage doors
Extension spring with machine hooks for tension applications. Music wire construction with oil finish. Free length 2-3/4 in, wire diameter 0.075 in, outer diameter 0.85 in. Sold as a 3-pack
SPEC
Extension spring with machine hooks for tension applications. Music wire construction with oil finish. Free length 2-3/4 in, wire diameter 0.075 in, outer diameter 0.85 in. Sold as a 3-pack
Machine hook extension spring made from music wire with an oil finish. Free length 8 in, wire diameter 0.207 in, outer diameter 1.75 in. Used in applications requiring a return force, such as industrial machinery, automotive assemblies, and agricultural equipment
SPEC
Machine hook extension spring made from music wire with an oil finish. Free length 8 in, wire diameter 0.207 in, outer diameter 1.75 in. Used in applications requiring a return force, such as industrial machinery, automotive assemblies, and agricultural equipment
Extension Spring: 302 Stainless Steel, 5 1/2 in Free Lg, 0.148 in Wire Dia, 1.5 in O.D. (MPN H15001485500S)
SPEC
Extension Spring: 302 Stainless Steel, 5 1/2 in Free Lg, 0.148 in Wire Dia, 1.5 in O.D. (MPN H15001485500S)