RS PRO Steel Extension Spring, 32.6 mm Free Length, 9 mm Outside Diameter, 0.8 mm Wire Diameter, Initial Tension 19 751-821

RS PRO 751-821 Steel Extension Spring is a high-quality mechanical component manufactured from steel for industrial use. With a free length of 32.6 mm and an outside diameter of 9 mm, this extension spring delivers robust performance where resistance to pulling forces is critical. It is engineered with a wire diameter of 0.8 mm and offers an initial tension of 19 N along with a spring rate of 0.3 N/mm, allowing it to absorb and store energy efficiently.

Each end of the spring features a side hook, ensuring secure fastening in various assemblies. The spring is designed to extend up to a maximum length of 86.1 mm, providing flexibility in its applications.

This extension spring complies with DIN 17223 standards, RoHS directives, and BS 1408 CR3 certification to ensure safety and reliability in use.

Typical industrial and commercial uses include robotics, automotive interiors and exteriors, garage door assemblies, vice-grip pliers, lever mechanisms, carburettors, trampolines, washing devices, farm machinery, and children's toys. Additionally, it is suitable for window screens, pool covers, sofa bed tension springs, and upholstery tension springs.

The spring's high tensile strength steel construction ensures durability and long service life. Initial tension can be manipulated to meet specific design requirements. Engineered to provide excellent resistance to pulling forces in mechanical systems.

Compliance with international standards guarantees product quality and safety. Manufactured in the United Kingdom, reflecting strict quality control processes.

RS PRO products are trusted worldwide for their quality and engineering precision. Explore RS PRO Extension Springs for reliable mechanical fastening solutions in manufacturing, automotive, and industrial projects.