SPEC Extension Spring: Music Wire, 1 3/8 in Free Lg, 0.055 in Wire Dia, 0.42 in O.D.
The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied in a 5-pack (SKU MH04200551370M, MPN MH04200551370M). It features a 0.055 in wire diameter, 0.42 in O.D., 1 3/8 in free…
SKU 3G-OTH-679273
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 machine hook extension spring made of music wire, supplied in a 5-pack (SKU MH04200551370M, MPN MH04200551370M). It features a 0.055 in wire diameter, 0.42 in O.D., 1 3/8 in free length, and 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 applications such as gate return mechanisms, counterbalance systems, and tensioning assemblies. The music wire construction and oil finish suit general-purpose mechanical and maintenance tasks across manufacturing and material handling.
What are the specifications of the SPEC extension spring MH04200551370M?
The SPEC extension spring (SKU MH04200551370M, MPN MH04200551370M) has a 0.055 in wire diameter, 0.42 in O.D., 1 3/8 in free length, and an oil finish. It is supplied as a 5-pack of machine hook extension springs made from music wire.
Where to buy SPEC extension springs worldwide?
3G Electric supplies SPEC extension springs worldwide. As a global industrial sourcing partner, we handle full logistics and customs clearance to deliver genuine parts like the MH04200551370M 5-pack to your facility. Contact us for a quote and delivery timeline 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, outside diameter, and free length to your required load and extension. The 0.055 in wire and 0.42 in O.D. suit moderate tension needs. Always verify the hook type and finish—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.
