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SPEC Machine Hook Extension Spring - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Machine Hook Extension Spring

The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied in a 5-pack (MPN MH04200373000M). It features a 3-inch free length, 0.037-inch wire diameter, 0.42-inch outer diameter, and an…

SKU 3G-OTH-681264

Brand
SPEC
Item
Machine Hook Extension Spring
Category
Machine Hook Extension Springs
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SPEC
Manufacturer Part Number
MH04200373000M
Type
5 PK
O.D.
0.42 in
Finish
Oil
Free Lg
3 in
Wire Dia
0.037 in

Technical Documents

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SPEC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied in a 5-pack (MPN MH04200373000M). It features a 3-inch free length, 0.037-inch wire diameter, 0.42-inch outer diameter, and an oil finish.

Frequently Asked Questions

What is the SPEC extension spring used for?

The SPEC extension spring is used in industrial machinery and equipment to provide a pulling force between two components. Common applications include counterbalancing, tensioning belts or cables, and returning mechanisms to their original position across machining, material handling, and automation systems.

What are the specifications of the SPEC extension spring MH04200373000M?

This SPEC extension spring has a 3-inch free length, 0.037-inch wire diameter, and 0.42-inch outer diameter. It is made of music wire with an oil finish and comes in a 5-pack. The manufacturer part number is MH04200373000M.

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. As a global industrial solutions provider, we source genuine parts like the MH04200373000M and support procurement teams across 14 industrial departments.

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 space and load requirements. Consider the spring rate and maximum deflection. For the SPEC MH04200373000M, the 3-inch free length and 0.037-inch wire diameter suit moderate tension applications. Consult a spring engineering guide for precise sizing.

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.

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This extension spring features machine hooks for tension applications in industrial assemblies such as conveyor systems, agricultural equipment, and gate mechanisms. Constructed from music wire with an oil finish, it is suited for moderate-duty uses where corrosion resistance is not critical. Specifications: 0.207 in wire diameter, 2 in O.D., 7 1/2 in free length. Manufacturer part number: H20002077500M
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