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SPEC Machine Hook Extension Spring HM3204500221M - Machine Hook Extension Springs
SPECMachine Hook Extension Springs

SPEC Machine Hook Extension Spring HM3204500221M

The SPEC Extension Spring (MPN HM3204500221M) is a machine hook extension spring made of music wire with a 4.5 mm wire diameter, 32 mm O.D., and 221 mm free length, finished in oil. 3G Electric interprets this demand…

SKU 3G-OTH-681371

Brand
SPEC
Item
Machine Hook Extension Spring HM3204500221M
Category
Machine Hook Extension Springs
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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
HM3204500221M
O.D
32 mm
Finish
Oil
Free Lg
221 mm
Wire Dia
4.5 mm

Technical Documents

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

Product Description

The SPEC Extension Spring (MPN HM3204500221M) is a machine hook extension spring made of music wire with a 4.5 mm wire diameter, 32 mm O.D., and 221 mm free length, finished in oil. 3G Electric interprets this demand and sources the genuine SPEC part across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the SPEC HM3204500221M extension spring used for?

The SPEC HM3204500221M is a machine hook extension spring used to store and release energy in tension applications. It is commonly found in industrial machinery, automotive assemblies, and material handling equipment where a reliable, high-strength spring is required.

What are the specifications of the SPEC HM3204500221M extension spring?

The SPEC HM3204500221M extension spring has a 4.5 mm wire diameter, 32 mm O.D., and 221 mm free length. It is made of music wire with an oil finish. The manufacturer part number is HM3204500221M.

Where to buy the SPEC HM3204500221M extension spring worldwide?

3G Electric supplies the genuine SPEC HM3204500221M extension spring worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this part.

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

To select the correct SPEC extension spring, match the wire diameter, O.D., and free length to your design requirements. Consider the spring rate, maximum load, and end type (machine hook). The oil finish provides basic corrosion resistance for indoor use.

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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This extension spring is made of music wire with an oil finish. It has a 2.5 mm wire diameter, 13 mm outside diameter, and 105.5 mm free length. Machine hooks at each end provide secure attachment. Commonly used in industrial machinery, automation, and material handling systems to store and release energy or return components to position
This extension spring is made from music wire with machine hooks and an oil finish. It has a free length of 132 mm, wire diameter of 2 mm, and outer diameter of 14 mm. Used to provide controlled tension in mechanical assemblies, such as industrial machinery, conveyors, and automation systems
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