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RS PRO Stainless Steel Extension Spring 47.6 mm Free Length 7 mm Outside Diameter 0.63 mm Wire Diameter 821-510

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RS PRO Stainless Steel Extension Spring 47.6 mm Free Length 7 mm Outside Diameter 0.63 mm Wire Diameter 821-510

Name: RS PRO Stainless Steel Extension Spring 47.6 mm Free Length 7 mm Outside Diameter 0.63 mm Wire Diameter 821-510
Brand: RS PRO
SKU: 180917
Price: 1.3 USD
Availability: InStock

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Category Extension Springs Brand RS PRO Condition New

Specifications

Country of Origin	United Kingdom
Brand	RS PRO
Material	Stainless Steel
Model	821-510
Outside diameter	7mm
Wire Diameter	0.63mm
Standards/Approvals	DIN 17223, BS 1408 CR3, RoHS
Free Length	47.6mm
Spring Rate	0.09N/mm
Maximum Extended Length	147.3mm
Initial Tension	10.2N

Key Features

Constructed from high quality stainless steel for durability and corrosion resistance.
Maximum extended length is 147.3 mm, suitable for various industrial applications.
Each end is equipped with a side hook to enhance functionality.
Manufactured to conform with DIN 17223, BS 1408 CR3, and RoHS standards.
Ideal for use in automotive interiors, robotics, garage doors, and farm machinery.
Provides excellent energy absorption and tension control in mechanical systems.
Designed with a right-hand (clockwise) helix and looped ends for efficient performance.

Product Description

RS PRO 821-510 Stainless Steel Extension Spring is a precision-engineered mechanical component designed to absorb and store energy while providing resistance to tensile forces. Constructed from high tensile strength stainless steel, this extension spring features a free length of 47.6 mm, an outside diameter of 7 mm, and a wire diameter of 0.63 mm. It incorporates side hooks on both ends and a right-hand (clockwise) helix, providing reliable initial tension of 10.2 N and a spring rate of 0.09 N/mm with a maximum extended length of 147.3 mm.

Manufactured in the United Kingdom, this spring meets stringent DIN 17223, BS 1408 CR3, and RoHS standards, ensuring high quality and safety for industrial and commercial applications. It is widely used in robotics, automotive interiors and exteriors, garage door assemblies, vice-grip pliers, lever mechanisms, carburettors, trampolines, washing devices, farm machinery, children's toys, window screens, pool cover tension springs, sofa beds, and upholstery tension systems.

The RS PRO extension spring is wound to oppose extension, ensuring precise responsiveness and mechanical stability. Its stainless steel construction offers excellent corrosion resistance, making it suitable for demanding environments.

Constructed from durable stainless steel material. Free length measures 47.6 mm with a maximum extension length of 147.3 mm. Side hook design facilitates secure attachment and tension control. Complies with DIN 17223, BS 1408 CR3, and RoHS environmental and quality standards.

Ideal for a broad range of industrial, commercial, and domestic mechanical applications. Right-hand helix design ensures effective force management. High initial tension and controlled spring rate enhance mechanical performance.

RS PRO is renowned for high-quality components trusted by engineers worldwide. This extension spring supports efficient and safe mechanical operations across industries, from manufacturing to agriculture.

Explore the comprehensive RS PRO range for precision springs and fasteners at EnvMart to meet your project needs.

Explore more products in our Extension Springs category.