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SPEC Extension Spring: Music Wire, 31.4 mm Free Lg, 1 mm Wire Dia, 11 mm O.D. - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Extension Spring: Music Wire, 31.4 mm Free Lg, 1 mm Wire Dia, 11 mm O.D.

The SPEC Extension Spring (MPN HM1101000031M) is a machine hook extension spring made of music wire, supplied as a 2-pack. It has a 31.4 mm free length, 1 mm wire diameter, and 11 mm O.D., with an oil finish.

SKU 3G-OTH-680895

Brand
SPEC
Item
Extension Spring: Music Wire, 31.4 mm Free Lg, 1 mm Wire Dia, 11 mm O.D.
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.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SPEC
Manufacturer Part Number
HM1101000031M
Type
2 PK
O.D.
11 mm
Finish
Oil
Free Lg
31.4 mm
Wire Dia
1 mm

Technical Documents

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

Product Description

The SPEC Extension Spring (MPN HM1101000031M) is a machine hook extension spring made of music wire, supplied as a 2-pack. It has a 31.4 mm free length, 1 mm wire diameter, and 11 mm O.D., with an oil finish.

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 conveyor systems, packaging equipment, and agricultural machinery. It stores and releases energy when stretched, returning to its original free length of 31.4 mm.

What are the specifications of the SPEC HM1101000031M extension spring?

The SPEC HM1101000031M is a music wire extension spring with a 31.4 mm free length, 1 mm wire diameter, and 11 mm O.D. It has an oil finish and is supplied as a 2-pack. The machine hook ends allow secure attachment in tension applications.

Where to buy SPEC extension springs in worldwide?

3G Electric supplies SPEC extension springs worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine parts like the HM1101000031M and support procurement across 14 departments.

How to select the right extension spring for an application?

To select the right extension spring, match free length, wire diameter, and O.D. to your space and load requirements. The SPEC HM1101000031M uses music wire for fatigue resistance. Ensure hook style (machine hook) fits your mounting points. Consult a spring rate chart for force calculations.

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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