SPEC Extension Spring
The SPEC Extension Spring is a machine hook extension spring made of music wire, with a 4 mm wire diameter, 28 mm O.D., and 264 mm free length (MPN HM2804000264M). It features an oil finish.
SKU 3G-OTH-679589
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 machine hook extension spring made of music wire, with a 4 mm wire diameter, 28 mm O.D., and 264 mm free length (MPN HM2804000264M). It features 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 machinery, conveyors, and automation systems. It stores energy when extended and returns to its original length, making it ideal for counterbalancing, tensioning, and return mechanisms.
What are the specifications of the SPEC extension spring HM2804000264M?
The SPEC extension spring HM2804000264M has a 4 mm wire diameter, 28 mm O.D., and 264 mm free length. It is made of music wire with an oil finish. These dimensions suit applications requiring moderate extension and consistent tension in mechanical assemblies.
Where to buy SPEC extension springs worldwide?
3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine SPEC parts like the HM2804000264M to support maintenance and production needs across industries.
How to select the right SPEC extension spring for an application?
To select the right SPEC extension spring, match the wire diameter, O.D., and free length to your required load and extension. Consider the material—music wire offers high tensile strength. The oil finish provides basic corrosion resistance for indoor use. Consult a spring rate chart for precise 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.
