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SPEC Extension Spring: Music Wire, 138 mm Free Lg, 2.8 mm Wire Dia - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 138 mm Free Lg, 2.8 mm Wire Dia

The SPEC Machine Hook Extension Spring (MPN HM2002800138M) is a music-wire spring with a 138 mm free length, 2.8 mm wire diameter, and 20 mm O.D., finished in oil. 3G Electric sources this and other industrial…

SKU 3G-OTH-681040

Brand
SPEC
Item
Extension Spring: Music Wire, 138 mm Free Lg, 2.8 mm Wire Dia
Category
Machine Hook Extension Springs
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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
HM2002800138M
O.D
20 mm
Finish
Oil
Free Lg
138 mm
Wire Dia
2.8 mm

Technical Documents

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

Product Description

The SPEC Machine Hook Extension Spring (MPN HM2002800138M) is a music-wire spring with a 138 mm free length, 2.8 mm wire diameter, and 20 mm O.D., finished in oil. 3G Electric sources this and other industrial components across 14 departments, with specialist expertise in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the SPEC HM2002800138M extension spring used for?

The SPEC HM2002800138M is a machine hook extension spring used to provide tension in industrial equipment such as conveyors, gates, and mechanical assemblies. Its music wire construction and oil finish suit general-purpose applications across machining, material handling, and automation systems.

What are the specifications of the SPEC HM2002800138M extension spring?

The SPEC HM2002800138M extension spring has a 138 mm free length, 2.8 mm wire diameter, and 20 mm O.D., with an oil finish. It is made from music wire and is designed for machine hook ends. 3G Electric supplies this spring and other industrial components worldwide.

Where to buy the SPEC HM2002800138M extension spring worldwide?

3G Electric supplies the SPEC HM2002800138M extension spring to customers worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this and other components across 14 departments, including specialist expertise in combustion, pumps, and controls.

How to select the correct extension spring for an industrial application?

To select the correct extension spring, match free length, wire diameter, and O.D. to your load and space requirements. The SPEC HM2002800138M offers a 138 mm free length and 2.8 mm wire diameter. 3G Electric can help interpret your needs and source the right spring from brands like SPEC.

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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