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 2-Pack - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Machine Hook Extension Spring 2-Pack

The SPEC Extension Spring is a music wire machine hook extension spring, supplied as a 2-pack with a 15.3 mm free length, 0.7 mm wire diameter, 3.5 mm outer diameter, and an oil finish (MPN HM0350700015M).

SKU 3G-OTH-680819

Brand
SPEC
Item
Machine Hook Extension Spring 2-Pack
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
HM0350700015M
Type
2 PK
O.D.
3.5 mm
Finish
Oil
Free Lg
15.3 mm
Wire Dia
0.7 mm

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 music wire machine hook extension spring, supplied as a 2-pack with a 15.3 mm free length, 0.7 mm wire diameter, 3.5 mm outer diameter, and an oil finish (MPN HM0350700015M).

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring stores and releases energy by resisting a pulling force. It is commonly used in industrial machinery, automotive assemblies, and material handling equipment where a return or tension force is needed.

What are the specifications of the SPEC HM0350700015M extension spring?

This SPEC extension spring is made of music wire with a 15.3 mm free length, 0.7 mm wire diameter, and 3.5 mm outer diameter. It has an oil finish and comes as a 2-pack. The manufacturer part number is HM0350700015M.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the HM0350700015M 2-pack.

How to select the right extension spring for an application?

To select the right extension spring, match the free length, wire diameter, and outer diameter to your space and load requirements. Consider the material—music wire offers high tensile strength. The SPEC HM0350700015M is a common choice for light to medium tension.

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
Machine hook extension spring made of 302 stainless steel with plain finish. Free length 9 in, wire diameter 0.125 in, outer diameter 1 in. Used to store and release energy under tension, common in industrial machinery, automotive assemblies, and material handling equipment
SPEC
Machine hook extension spring made of 302 stainless steel with plain finish. Free length 9 in, wire diameter 0.125 in, outer diameter 1 in. Used to store and release energy under tension, common in industrial machinery, automotive assemblies, and material handling equipment
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a free length of 4 in, wire diameter of 0.049 in, and outer diameter of 0.36 in. Supplied in a pack of 5, it is used in applications requiring consistent tension and corrosion resistance, such as in industrial machinery, automation, and material handling equipment
SPEC
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a free length of 4 in, wire diameter of 0.049 in, and outer diameter of 0.36 in. Supplied in a pack of 5, it is used in applications requiring consistent tension and corrosion resistance, such as in industrial machinery, automation, and material handling equipment
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a wire diameter of 0.045 in, an outer diameter of 0.36 in, and a free length of 1-1/8 in. Supplied in a pack of 5, it is used to provide a pulling force between two components in industrial machinery, such as in material handling, packaging equipment, and automation systems
SPEC
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a wire diameter of 0.045 in, an outer diameter of 0.36 in, and a free length of 1-1/8 in. Supplied in a pack of 5, it is used to provide a pulling force between two components in industrial machinery, such as in material handling, packaging equipment, and automation systems
This extension spring features machine hooks for tension applications in industrial machinery, conveyors, and mechanical assemblies. Constructed from music wire with an oil finish, it provides consistent force and corrosion resistance. Free length is 5 inches, wire diameter is 0.148 inches, and outer diameter is 1.25 inches
SPEC
This extension spring features machine hooks for tension applications in industrial machinery, conveyors, and mechanical assemblies. Constructed from music wire with an oil finish, it provides consistent force and corrosion resistance. Free length is 5 inches, wire diameter is 0.148 inches, and outer diameter is 1.25 inches
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a free length of 1 3/8 in, wire diameter of 0.034 in, and outer diameter of 0.5 in. Supplied in a pack of 3, it is used to provide tension in mechanical assemblies and equipment
SPEC
This machine hook extension spring is made of 302 stainless steel with a plain finish. It has a free length of 1 3/8 in, wire diameter of 0.034 in, and outer diameter of 0.5 in. Supplied in a pack of 3, it is used to provide tension in mechanical assemblies and equipment
This extension spring is made of music wire with a machine hook end configuration. It has a 0.037 in wire diameter, 0.24 in outer diameter, and 3 1/4 in free length, with an oil finish. 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 a machine hook end configuration. It has a 0.037 in wire diameter, 0.24 in outer diameter, and 3 1/4 in free length, with an oil finish. Supplied in a 5-pack, it is used to provide a pulling force in mechanical assemblies such as industrial machinery and automotive components
This extension spring is made of 302 stainless steel with a plain finish. It has a free length of 4 1/2 inches, wire diameter of 0.085 inches, and outer diameter of 1 inch. Machine hook ends allow for attachment in tension applications where a return force is needed after extension
SPEC
This extension spring is made of 302 stainless steel with a plain finish. It has a free length of 4 1/2 inches, wire diameter of 0.085 inches, and outer diameter of 1 inch. Machine hook ends allow for attachment in tension applications where a return force is needed after extension
This extension spring is made of music wire with an oil finish, featuring machine hooks for tension applications. It has a free length of 30.5 mm, wire diameter of 1.4 mm, and outer diameter of 7 mm. Supplied in a 2-pack, it is used in mechanical assemblies requiring precise tension, such as industrial machinery and automotive components
SPEC
This extension spring is made of music wire with an oil finish, featuring machine hooks for tension applications. It has a free length of 30.5 mm, wire diameter of 1.4 mm, and outer diameter of 7 mm. Supplied in a 2-pack, it is used in mechanical assemblies requiring precise tension, such as industrial machinery and automotive components