SPEC Extension Spring: Music Wire, 1 1/8 in Free Lg, 0.049 in Wire Dia, 0.3 in O.D.
The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied in a 5-pack (SKU MH03000491120M, MPN MH03000491120M). It features a 0.049 in wire diameter, 0.3 in outer diameter, 1 1/8 in…
SKU 3G-OTH-678980
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 MH03000491120M, MPN MH03000491120M). It features a 0.049 in wire diameter, 0.3 in outer diameter, 1 1/8 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 assemblies, such as counterbalances, garage doors, and agricultural equipment. The music wire construction and oil finish offer good fatigue life in moderate environments.
What are the specifications of the SPEC extension spring 3G-OTH-678980?
The SPEC extension spring (SKU 3G-OTH-678980, MPN MH03000491120M) has a 0.049 in wire diameter, 0.3 in outer diameter, 1 1/8 in free length, and an oil finish. It is supplied as a 5-pack of music wire machine hook springs.
Where to buy SPEC extension springs worldwide?
3G Electric supplies SPEC extension springs worldwide. We handle full logistics and customs clearance to deliver genuine industrial springs to your facility. Contact us for a quote on the 5-pack (SKU 3G-OTH-678980) or other SPEC spring sizes.
How to select the right SPEC extension spring for an application?
To select the right SPEC extension spring, match the wire diameter, outer diameter, and free length to your required load and deflection. The 0.049 in wire diameter and 0.3 in O.D. suit light to medium tension. Always verify hook style and finish compatibility with your environment.
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.
