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 5/8 in free length, 0.034 in wire diameter, and 0.18 in O.D., supplied in a 5 PK with a plain finish (MPN H01800340620S). 3G…

SKU 3G-OTH-680369

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
H01800340620S
Type
5 PK
O.D.
0.18 in
Finish
Plain
Free Lg
5/8 in
Wire Dia
0.034 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 5/8 in free length, 0.034 in wire diameter, and 0.18 in O.D., supplied in a 5 PK with a plain finish (MPN H01800340620S). 3G Electric interprets this demand and sources the exact OEM-specified spring across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring stores energy and provides resistance to pulling forces. It is commonly used in industrial machinery, automotive assemblies, and material handling equipment where a controlled return motion is required. 3G Electric sources this exact OEM-specified spring across 14 industrial departments.

What are the specifications of the SPEC extension spring H01800340620S?

This SPEC extension spring is made of 302 stainless steel with a 5/8 in free length, 0.034 in wire diameter, 0.18 in O.D., and a plain finish. It comes in a 5 PK. 3G Electric supplies this exact OEM-specified spring with specialist depth in combustion, pumps and controls.

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 interpret your demand and source the exact OEM-specified spring across 14 industrial departments, including specialist depth in combustion, pumps and controls.

How to select the right extension spring for an application?

Select an extension spring by matching free length, wire diameter, outer diameter, and material to your load and deflection requirements. The SPEC spring H01800340620S uses 302 stainless steel for corrosion resistance. 3G Electric helps you get the right answer, not just a catalog, across 14 industrial departments.

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 machine hook extension spring is made of 302 stainless steel with a plain finish. It has a free length of 5/8 in, wire diameter of 0.014 in, and outer diameter of 0.18 in. Supplied as a 5-pack. Used in industrial machinery, automation, and mechanical assemblies requiring tension components
SPEC
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a free length of 5/8 in, wire diameter of 0.014 in, and outer diameter of 0.18 in. Supplied as a 5-pack. Used in industrial machinery, automation, and mechanical assemblies requiring tension components
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 hook ends, made from 302 stainless steel. Free length 1 in, wire diameter 0.024 in, outer diameter 0.18 in. Plain finish. Supplied in a pack of 5. Used to provide tension in industrial assemblies such as machinery, automation, and material handling systems
SPEC
Extension spring with machine hook ends, made from 302 stainless steel. Free length 1 in, wire diameter 0.024 in, outer diameter 0.18 in. Plain finish. Supplied in a pack of 5. Used to provide tension in industrial assemblies such as machinery, automation, and material handling systems
This extension spring is made of 302 stainless steel with a plain finish. It has a free length of 5/8 in, wire diameter of 0.022 in, and outer diameter of 0.12 in. Supplied as a 5-pack, it provides tension in mechanical assemblies such as industrial equipment, machinery, and automation systems
SPEC
This extension spring is made of 302 stainless steel with a plain finish. It has a free length of 5/8 in, wire diameter of 0.022 in, and outer diameter of 0.12 in. Supplied as a 5-pack, it provides tension in mechanical assemblies such as industrial equipment, machinery, and automation systems
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
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

More from SPEC

View all SPEC parts
This extension spring features machine hooks on both ends for attachment. It is made of 302 stainless steel with a plain finish. The spring has a free length of 2 1/2 inches, wire diameter of 0.049 inches, and outer diameter of 0.3 inches. Supplied in a pack of 5
SPEC
This extension spring features machine hooks on both ends for attachment. It is made of 302 stainless steel with a plain finish. The spring has a free length of 2 1/2 inches, wire diameter of 0.049 inches, and outer diameter of 0.3 inches. Supplied in a pack of 5
This machine hook extension spring is made of music wire with an oil finish. It has a wire diameter of 0.055 in, an outer diameter of 0.5 in, and a free length of 1 1/2 in. Supplied in a 3-pack, it is used to store and release energy in tension applications such as counterbalances, latches, and tension mechanisms
SPEC
This machine hook extension spring is made of music wire with an oil finish. It has a wire diameter of 0.055 in, an outer diameter of 0.5 in, and a free length of 1 1/2 in. Supplied in a 3-pack, it is used to store and release energy in tension applications such as counterbalances, latches, and tension mechanisms
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a free length of 79.4 mm, wire diameter of 1.2 mm, and outer diameter of 8.5 mm. Supplied as a 2-pack, it is used to provide pulling force between components in industrial machinery such as conveyors and packaging equipment
SPEC
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a free length of 79.4 mm, wire diameter of 1.2 mm, and outer diameter of 8.5 mm. Supplied as a 2-pack, it is used to provide pulling force between components in industrial machinery such as conveyors and packaging equipment
Machine hook extension spring with 55 mm outer diameter, 5 mm wire diameter, and 227 mm free length. Plain finish. Used to provide tension in mechanical assemblies such as counterbalances, door returns, and industrial machinery
SPEC
Machine hook extension spring with 55 mm outer diameter, 5 mm wire diameter, and 227 mm free length. Plain finish. Used to provide tension in mechanical assemblies such as counterbalances, door returns, and industrial machinery
Music wire extension spring with machine hooks, 7.9 mm free length, 0.5 mm wire diameter, and 2.5 mm outer diameter. Supplied in a 2-pack with an oil finish. Used to provide tension in mechanical assemblies such as counterbalances, latches, and conveyor systems
SPEC
Music wire extension spring with machine hooks, 7.9 mm free length, 0.5 mm wire diameter, and 2.5 mm outer diameter. Supplied in a 2-pack with an oil finish. Used to provide tension in mechanical assemblies such as counterbalances, latches, and conveyor systems
This extension spring features machine hooks for tension applications in mechanical assemblies. Made from music wire with an oil finish, it offers high tensile strength and fatigue resistance. The spring has a 1-inch free length, 0.037-inch wire diameter, and 0.36-inch outer diameter. Sold in a pack of 5
SPEC
This extension spring features machine hooks for tension applications in mechanical assemblies. Made from music wire with an oil finish, it offers high tensile strength and fatigue resistance. The spring has a 1-inch free length, 0.037-inch wire diameter, and 0.36-inch outer diameter. Sold in a pack of 5
Machine hook extension spring with 1.4 mm wire diameter, 7 mm outside diameter, and 145.5 mm free length. Plain finish. Supplied in a pack of 2. Used to provide tension in industrial assemblies such as material handling, packaging, and automation equipment
SPEC
Machine hook extension spring with 1.4 mm wire diameter, 7 mm outside diameter, and 145.5 mm free length. Plain finish. Supplied in a pack of 2. Used to provide tension in industrial assemblies such as material handling, packaging, and automation equipment
Music wire extension spring with machine hooks, oil finish. 187 mm free length, 1.8 mm wire diameter, 9 mm O.D. Sold as a 2-pack. Used to provide tension in mechanical assemblies such as industrial equipment, conveyors, and automation systems
SPEC
Music wire extension spring with machine hooks, oil finish. 187 mm free length, 1.8 mm wire diameter, 9 mm O.D. Sold as a 2-pack. Used to provide tension in mechanical assemblies such as industrial equipment, conveyors, and automation systems