RS PRO Steel Extension Spring 41.4 mm Free Length, 6 mm Outside Diameter, 0.55 mm Wire Diameter, Model 751-758

RS PRO 751-758 Steel Extension Spring features a free length of 41.4 mm and an outside diameter of 6 mm, engineered from high-strength steel wire with a 0.55 mm wire diameter. This extension spring is designed to absorb and store energy efficiently while providing resistance to pulling forces, thanks to its initial tension of 9.5 N and spring rate of 0.1 N/mm.

Manufactured from piano/music wire with a right-hand helix and looped ends, this spring is advantageous in automotive interiors and exteriors, garage door assemblies, vise-grip pliers, carburetors, trampolines, washing devices, and agricultural machinery. The product meets stringent standards including RoHS, BS 1408 CR3, and DIN 17223, ensuring quality and compliance with industrial requirements.

The spring is finished with an oiled coating in line with DIN 2097 Grade 2 specifications, providing enhanced corrosion resistance and durability. Its maximum extended length is 125.7 mm, allowing for a wide range of mechanical applications where controlled extension and reliable tension are essential.

Durable steel construction for strength and longevity. Optimized tension and spring rate for energy absorption. Complies with multiple industry standards for quality assurance. Versatile usage across automotive, industrial, and agricultural sectors.

Corrosion-resistant oiled finish for extended service life. Right-hand helix with looped ends for secure connections.

This RS PRO steel extension spring is a reliable component for industrial, manufacturing, automotive, and maintenance uses where precise mechanical force control is required. It is part of EnvMart’s extensive offering of mechanical fasteners and springs.

Explore more products in our Extension Springs category.