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SPEC Extension Spring: Music Wire, 80.8 mm Free Lg, 2 mm Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 80.8 mm Free Lg, 2 mm Wire Dia

The SPEC Extension Spring is a machine hook extension spring made of music wire, with a 2 mm wire diameter, 22 mm O.D., and 80.8 mm free length. It features an oil finish and is identified by MPN HM2202000081M.

SKU 3G-OTH-680917

Brand
SPEC
Item
Extension Spring: Music Wire, 80.8 mm Free Lg, 2 mm Wire Dia
Category
Machine Hook Extension Springs
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Delivery
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
HM2202000081M
O.D
22 mm
Finish
Oil
Free Lg
80.8 mm
Wire Dia
2 mm

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, with a 2 mm wire diameter, 22 mm O.D., and 80.8 mm free length. It features an oil finish and is identified by MPN HM2202000081M.

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring with machine hooks is used to provide pulling force in industrial assemblies, such as counterbalances, door mechanisms, and tensioning systems. Its music wire construction and oil finish suit general-purpose applications across machining, material handling, and automation equipment.

What are the specifications of the SPEC HM2202000081M extension spring?

The SPEC HM2202000081M extension spring has a 2 mm wire diameter, 22 mm O.D., and 80.8 mm free length. It is made of music wire with an oil finish and features machine hook ends. These dimensions define its load and deflection characteristics for engineering selection.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine SPEC parts like the HM2202000081M to support maintenance and production needs anywhere.

How to select the right SPEC extension spring for an application?

To select a SPEC extension spring, match wire diameter, outer diameter, and free length to your required load and travel. The HM2202000081M uses music wire for fatigue resistance. Confirm end type (machine hook) fits your mounting. Consult engineering guidelines for spring rate and maximum deflection.

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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