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SPEC Extension Spring: Music Wire, 41 mm Free Lg, 1.2 mm Wire Dia, 8.5 mm O.D. - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 41 mm Free Lg, 1.2 mm Wire Dia, 8.5 mm O.D.

The SPEC Machine Hook Extension Spring (MPN HM0851200041M) is a music-wire spring with an 8.5 mm O.D., 1.2 mm wire diameter, and 41 mm free length, supplied as a 2-pack with an oil finish. 3G Electric sources this…

SKU 3G-OTH-678996

Brand
SPEC
Item
Extension Spring: Music Wire, 41 mm Free Lg, 1.2 mm Wire Dia, 8.5 mm O.D.
Category
Machine Hook Extension Springs
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SPEC
Manufacturer Part Number
HM0851200041M
Type
2 PK
O.D.
8.5 mm
Finish
Oil
Free Lg
41 mm
Wire Dia
1.2 mm

Technical Documents

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

Product Description

The SPEC Machine Hook Extension Spring (MPN HM0851200041M) is a music-wire spring with an 8.5 mm O.D., 1.2 mm wire diameter, and 41 mm free length, supplied as a 2-pack with an oil finish. 3G Electric sources this spring across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor for brands including SPEC, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump, and FBR.

Frequently Asked Questions

What is a SPEC machine hook extension spring used for?

A SPEC machine hook extension spring provides tension in mechanical assemblies, such as industrial machinery, conveyors, and automation systems. Its music-wire construction and oil finish suit general-purpose applications across manufacturing, material handling, and combustion equipment where reliable force and fatigue resistance are required.

What are the specifications of the SPEC HM0851200041M extension spring?

The SPEC HM0851200041M is a music-wire extension spring with an 8.5 mm O.D., 1.2 mm wire diameter, and 41 mm free length. It comes as a 2-pack with an oil finish. These dimensions define its load capacity and fit for tension applications in industrial equipment.

Where to buy SPEC extension springs worldwide?

3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source this spring across 14 departments, including specialist expertise in combustion, pumps, and controls. Contact us for pricing and delivery to your location.

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

Select a SPEC extension spring by matching its O.D., wire diameter, and free length to your assembly's space and required tension. The HM0851200041M's 8.5 mm O.D. and 1.2 mm wire diameter suit moderate loads. Always verify hook style and finish compatibility with your environment to ensure reliable performance.

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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