SPEC Machine Hook Extension Spring
The SPEC Extension Spring is a machine hook extension spring made of music wire, supplied as a 2-pack. It has a free length of 40.4 mm, a wire diameter of 1 mm, an outer diameter of 11 mm, and an oil finish (MPN…
SKU 3G-OTH-679517
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 as a 2-pack. It has a free length of 40.4 mm, a wire diameter of 1 mm, an outer diameter of 11 mm, and an oil finish (MPN HM1101000040M).
Frequently Asked Questions
What is a SPEC extension spring used for?
A SPEC extension spring with machine hooks is used to store and release energy in tension applications, such as counterbalancing, door returns, and industrial machinery. The music wire construction provides high tensile strength and fatigue resistance for repeated cycling.
What are the specifications of the SPEC extension spring HM1101000040M?
This SPEC extension spring has a free length of 40.4 mm, a wire diameter of 1 mm, an outer diameter of 11 mm, and an oil finish. It is supplied as a 2-pack with machine hook ends, made from music wire for durability in industrial tension applications.
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 HM1101000040M to support maintenance and production needs across multiple industries.
How to select the right extension spring for an application?
To select the right extension spring, match free length, wire diameter, outer diameter, and end type to your load and deflection requirements. The SPEC HM1101000040M with 40.4 mm free length and 1 mm wire diameter suits moderate tension needs. 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.
