SPEC Extension Spring: 302 Stainless Steel, 51.1 mm Free Lg, 0.5 mm Wire Dia
The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring, supplied as a 2 PK. Key specifications include a 0.5 mm wire diameter, 5.5 mm O.D., 51.1 mm free length, and a plain finish (MPN…
SKU 3G-OTH-680769
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.
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Product Description
The SPEC Extension Spring is a 302 Stainless Steel machine hook extension spring, supplied as a 2 PK. Key specifications include a 0.5 mm wire diameter, 5.5 mm O.D., 51.1 mm free length, and a plain finish (MPN HM0550500051S).
Frequently Asked Questions
What is a SPEC extension spring used for?
A SPEC extension spring with machine hooks is used to provide a pulling force in industrial assemblies, such as counterbalances, door returns, and tension mechanisms. The 302 stainless steel construction offers corrosion resistance for applications in food processing, medical devices, and general manufacturing where a reliable, consistent tensile load is required.
What are the specifications of the SPEC extension spring HM0550500051S?
This SPEC extension spring has a 0.5 mm wire diameter, 5.5 mm O.D., and 51.1 mm free length. It is made of 302 stainless steel with a plain finish and comes as a 2-pack. The manufacturer part number is HM0550500051S. These dimensions define its load capacity and fit for machine hook applications.
Where to buy SPEC extension springs worldwide?
3G Electric supplies SPEC extension springs worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we can provide the HM0550500051S 2-pack or other SPEC spring sizes. Contact us for a quote and delivery options to your location.
How to select the right SPEC extension spring for an application?
To select the correct SPEC extension spring, match the wire diameter, outer diameter, and free length to your required working load and extension range. The 302 stainless steel grade suits corrosive or clean environments. Ensure the machine hook ends fit your mounting points. For the HM0550500051S, verify the 5.5 mm O.D. and 51.1 mm free length meet your space constraints.
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.
