SPEC Extension Spring: Music Wire, 17.4 mm Free Lg, 1.1 mm Wire Dia, 5.5 mm O.D.
The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied as a 2-pack (MPN HM0551100017M). It features a 5.5 mm outer diameter, 1.1 mm wire diameter, 17.4 mm free length, and an oil…
SKU 3G-OTH-679477
Need installation or engineering help?
Ask a question
Product Description
The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied as a 2-pack (MPN HM0551100017M). It features a 5.5 mm outer diameter, 1.1 mm wire diameter, 17.4 mm free length, and an oil finish.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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 conveyor systems, gate mechanisms, and counterbalance applications. The music wire construction and oil finish offer good fatigue life and corrosion resistance in dry or lightly lubricated environments.
What are the specifications of the SPEC extension spring HM0551100017M?
This SPEC extension spring has a 5.5 mm outer diameter, 1.1 mm wire diameter, 17.4 mm free length, and an oil finish. It is made of music wire and supplied as a 2-pack. The manufacturer part number is HM0551100017M.
Where to buy SPEC extension springs worldwide?
3G Electric supplies SPEC extension springs worldwide. We handle full logistics and customs clearance to deliver this 2-pack of music wire springs (MPN HM0551100017M) to your facility. Contact us for a quote and delivery lead time to your location.
How to select the right extension spring for an application?
To select the right extension spring, match the outer diameter, wire diameter, and free length to your assembly's space constraints and required load. The SPEC HM0551100017M offers a 5.5 mm O.D. and 17.4 mm free length. Ensure the hook style (machine hook) fits your mounting points and that the material (music wire) suits 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.
