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 5-Pack - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Machine Hook Extension Spring 5-Pack

The SPEC Extension Spring: Music Wire is a machine hook extension spring with a 0.031 in wire diameter, 0.18 in O.D., and 1 3/8 in free length. This 5-pack has an oil finish (MPN MH01800311370M). 3G Electric…

SKU 3G-OTH-680460

Brand
SPEC
Item
Machine Hook Extension Spring 5-Pack
Part Number
MH01800311370M
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
MH01800311370M
Type
5 PK
O.D.
0.18 in
Finish
Oil
Free Lg
1 3/8 in
Wire Dia
0.031 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: Music Wire is a machine hook extension spring with a 0.031 in wire diameter, 0.18 in O.D., and 1 3/8 in free length. This 5-pack has an oil finish (MPN MH01800311370M). 3G Electric interprets demand and delivers genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring with machine hooks is used to provide a pulling force in industrial assemblies, such as counterbalances, garage doors, and agricultural equipment. The 0.031 in wire diameter and 0.18 in O.D. suit light to medium tension applications. 3G Electric supplies this spring across 14 industrial departments.

What are the specifications of the SPEC extension spring MH01800311370M?

This SPEC extension spring has a 0.031 in wire diameter, 0.18 in O.D., and 1 3/8 in free length. It comes in a 5-pack with an oil finish. The manufacturer part number is MH01800311370M. 3G Electric sources genuine SPEC springs for global delivery.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance. We source genuine industrial parts across 14 departments, including springs, and deliver to any global destination. Contact us for availability and lead time on the MH01800311370M 5-pack.

How to select the right extension spring for an application?

Select an extension spring by matching wire diameter, outside diameter, and free length to your load and travel requirements. The SPEC MH01800311370M uses 0.031 in wire and 0.18 in O.D. for light tension. 3G Electric can help interpret your demand and source the correct spring across 14 industrial categories.

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
This SPEC machine hook extension spring is made of music wire with an oil finish. It has a free length of 137.7 mm, wire diameter of 1 mm, and outer diameter of 11 mm. Supplied as a 2-pack, it provides tension in industrial machinery for pulling components together or returning them to position
SPEC
This SPEC machine hook extension spring is made of music wire with an oil finish. It has a free length of 137.7 mm, wire diameter of 1 mm, and outer diameter of 11 mm. Supplied as a 2-pack, it provides tension in industrial machinery for pulling components together or returning them to position
Extension spring with machine hooks, made from music wire with an oil finish. Free length 451 mm, wire diameter 1.8 mm, outside diameter 20 mm. Used in industrial machinery and automation equipment to provide controlled pulling force
SPEC
Extension spring with machine hooks, made from music wire with an oil finish. Free length 451 mm, wire diameter 1.8 mm, outside diameter 20 mm. Used in industrial machinery and automation equipment to provide controlled pulling force
This 3-pack of machine hook extension springs is made of music wire with an oil finish. Each spring has a free length of 1-1/2 in, wire diameter of 0.034 in, and outer diameter of 0.36 in. Extension springs provide a pulling force between two components and are commonly used in industrial machinery such as conveyors, packaging equipment, and agricultural implements
SPEC
This 3-pack of machine hook extension springs is made of music wire with an oil finish. Each spring has a free length of 1-1/2 in, wire diameter of 0.034 in, and outer diameter of 0.36 in. Extension springs provide a pulling force between two components and are commonly used in industrial machinery such as conveyors, packaging equipment, and agricultural implements
This extension spring is made of music wire with an oil finish. It has a wire diameter of 0.148 in, an outside diameter of 1.75 in, and a free length of 6 1/2 in. The spring features machine hooks for attachment and is used to store energy and provide resistance to pulling forces in applications such as industrial machinery and material handling equipment
SPEC
This extension spring is made of music wire with an oil finish. It has a wire diameter of 0.148 in, an outside diameter of 1.75 in, and a free length of 6 1/2 in. The spring features machine hooks for attachment and is used to store energy and provide resistance to pulling forces in applications such as industrial machinery and material handling equipment
Extension spring with machine hooks, plain finish, 302 stainless steel. Free length 1 1/2 in, wire diameter 0.055 in, outer diameter 0.36 in. Sold as a 5-pack. Used to provide tension in mechanical assemblies such as counterbalances and door returns
SPEC
Extension spring with machine hooks, plain finish, 302 stainless steel. Free length 1 1/2 in, wire diameter 0.055 in, outer diameter 0.36 in. Sold as a 5-pack. Used to provide tension in mechanical assemblies such as counterbalances and door returns
This extension spring is made of 302 stainless steel with a plain finish. It has a 0.75 in outside diameter, 4 in free length, and 0.095 in wire diameter. Machine hook ends allow for attachment in tension applications such as counterbalances, garage doors, and industrial machinery
SPEC
This extension spring is made of 302 stainless steel with a plain finish. It has a 0.75 in outside diameter, 4 in free length, and 0.095 in wire diameter. Machine hook ends allow for attachment in tension applications such as counterbalances, garage doors, and industrial machinery
This extension spring features machine hooks for secure attachment in tensioning and return mechanisms. With a free length of 2-1/2 in, wire diameter of 0.075 in, and outer diameter of 0.85 in, it provides consistent pulling force. The oil finish offers corrosion resistance. Suitable for industrial machinery, conveyors, and agricultural equipment
SPEC
This extension spring features machine hooks for secure attachment in tensioning and return mechanisms. With a free length of 2-1/2 in, wire diameter of 0.075 in, and outer diameter of 0.85 in, it provides consistent pulling force. The oil finish offers corrosion resistance. Suitable for industrial machinery, conveyors, and agricultural equipment
Extension spring with machine hooks, plain finish, 302 stainless steel. Free length 1 1/4 in, wire diameter 0.037 in, outer diameter 0.36 in. Used to provide pulling force in industrial machinery such as material handling, packaging, and automation equipment
SPEC
Extension spring with machine hooks, plain finish, 302 stainless steel. Free length 1 1/4 in, wire diameter 0.037 in, outer diameter 0.36 in. Used to provide pulling force in industrial machinery such as material handling, packaging, and automation equipment