SPEC Extension Spring: Music Wire, 144.2 mm Free Lg, 1.2 mm Wire Dia, 8.5 mm O.D.
The SPEC Extension Spring is a music-wire machine hook extension spring supplied in a 2-pack (MPN HM0851200144M). It has a 1.2 mm wire diameter, 8.5 mm O.D., 144.2 mm free length, and an oil finish.
SKU 3G-OTH-681102
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.
Need installation or engineering help?
Ask a question
Product Description
The SPEC Extension Spring is a music-wire machine hook extension spring supplied in a 2-pack (MPN HM0851200144M). It has a 1.2 mm wire diameter, 8.5 mm O.D., 144.2 mm free length, and an oil finish.
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 material handling equipment to return components to their original position after being stretched.
What are the specifications of the SPEC HM0851200144M extension spring?
This SPEC extension spring has a 1.2 mm wire diameter, 8.5 mm O.D., and 144.2 mm free length. It is made from music wire with an oil finish and comes in a 2-pack. The manufacturer part number is HM0851200144M.
Where to buy SPEC extension springs worldwide?
3G Electric supplies SPEC extension springs like the HM0851200144M to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this 2-pack of music wire springs.
How to select the right extension spring for an application?
Select an extension spring by matching wire diameter, outer diameter, and free length to your load and travel requirements. For the SPEC HM0851200144M, verify the 1.2 mm wire dia and 144.2 mm free length suit your force needs. Music wire offers good fatigue life for general industrial 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.
