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SPEC Extension Spring: Music Wire, 28 mm Free Lg, 0.5 mm Wire Dia, 2.5 mm O.D. - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 28 mm Free Lg, 0.5 mm Wire Dia, 2.5 mm O.D.

The SPEC Machine Hook Extension Spring (MPN HM0250500028M) is a music-wire spring with a 28 mm free length, 0.5 mm wire diameter, and 2.5 mm O.D., supplied as a 2-pack with an oil finish. 3G Electric sources this…

SKU 3G-OTH-679447

Brand
SPEC
Item
Extension Spring: Music Wire, 28 mm Free Lg, 0.5 mm Wire Dia, 2.5 mm O.D.
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
HM0250500028M
Type
2 PK
O.D.
2.5 mm
Finish
Oil
Free Lg
28 mm
Wire Dia
0.5 mm

Technical Documents

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

Product Description

The SPEC Machine Hook Extension Spring (MPN HM0250500028M) is a music-wire spring with a 28 mm free length, 0.5 mm wire diameter, and 2.5 mm O.D., supplied as a 2-pack with an oil finish. 3G Electric sources this genuine industrial spring across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

What is the SPEC HM0250500028M extension spring used for?

The SPEC HM0250500028M machine hook extension spring is used to provide tension in industrial assemblies such as valves, clutches, and conveyor systems. Its music-wire construction and oil finish suit general-purpose mechanical applications across machining, material handling, and power transmission.

What are the specifications of the SPEC HM0250500028M spring?

The SPEC HM0250500028M is a music-wire extension spring with a 28 mm free length, 0.5 mm wire diameter, and 2.5 mm O.D. It comes as a 2-pack with an oil finish. The manufacturer part number is HM0250500028M.

Where to buy the SPEC HM0250500028M spring worldwide?

3G Electric supplies the SPEC HM0250500028M extension spring worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine SPEC parts across 14 departments and beyond.

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

Select an extension spring by matching free length, wire diameter, outside diameter, and material to your load and deflection requirements. The SPEC HM0250500028M uses music wire for fatigue resistance. Always verify hook style and finish—oil finish provides basic corrosion protection.

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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