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SPEC Extension Spring: Music Wire, 145.5 mm Free Lg, 1.4 mm Wire Dia, 7 mm O.D. - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 145.5 mm Free Lg, 1.4 mm Wire Dia, 7 mm O.D.

The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied as a 2-pack. Each spring has a 1.4 mm wire diameter, 7 mm O.D., and 145.5 mm free length, with an oil finish (MPN HM0701400146M).

SKU 3G-OTH-680936

Brand
SPEC
Item
Extension Spring: Music Wire, 145.5 mm Free Lg, 1.4 mm Wire Dia, 7 mm O.D.
Category
Machine Hook Extension Springs
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Local availability & support

Delivery
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
HM0701400146M
Type
2 PK
O.D.
7 mm
Finish
Oil
Free Lg
145.5 mm
Wire Dia
1.4 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, supplied as a 2-pack. Each spring has a 1.4 mm wire diameter, 7 mm O.D., and 145.5 mm free length, with an oil finish (MPN HM0701400146M).

Frequently Asked Questions

What is a SPEC extension spring used for?

A SPEC extension spring stores and releases energy by resisting a pulling force. It is commonly used in industrial machinery, automotive assemblies, and agricultural equipment to provide tension, return motion, or counterbalance weight.

What are the specifications of the SPEC extension spring HM0701400146M?

This SPEC extension spring is made of music wire with a 1.4 mm wire diameter, 7 mm O.D., and 145.5 mm free length. It has an oil finish and is supplied as a 2-pack. The manufacturer part number is HM0701400146M.

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. Contact us for pricing and lead time on this HM0701400146M 2-pack.

How to select the right extension spring for an application?

Select an extension spring by matching wire diameter, outer diameter, free length, and material to your load and deflection requirements. Music wire offers high tensile strength and fatigue life. Confirm the hook style (machine hook here) fits your mounting points.

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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