Best Mechanical Constant Force Springs in 2026

Anti-Rust Material: stainless steel 304 wire, will not rust in humid environment, has strong anti-oxidation, anti-acid, anti-corrosion ability.

Easy To Storage and Use: All compression springs are neatly packaged in plastic storage boxes, and size labels can be used to identify spring size.

Versatile: 24 sizes of springs to choose from for home repairs. We hope this spring combination kit is suitable for most repair items such as doors, curtains, cars, bicycles, pianos, scissors, electrical equipment, repair tools, umbrellas, antique tape recorders, repair toys, pliers, etc.

Sufficient Extension Spring: the package contains 10 pieces of springs 1 inch, adequate quantity to meet your daily needs and replacements

Quality and Sturdy: the spring extension is made of quality stainless steel material, which is sturdy and strong, featuring good elasticity, flexible and long lasting

Convenient Design: the extension spring is designed with 2 openings that you can use and fix it easily and conveniently

What's Included: there are 40 pieces of torsion springs in the package, enough for your daily use and replacement; You can also share them with your family and others

Size Information: wire diameter: 0.5 mm; Outer diameter: 4.5 mm; Leg length: 30 mm; Small springs have a rotation angle of120 degrees, and also 6 circles; Note: if you need a shorter leg length, please cut them with pliers

Sturdy Material: adopting quality stainless steel, this spring set is reliable and not easy to break, you can use it for many years without bending or deforming, it is very resistant to oxidation, corrosion and rust and works well in wet environments

[1]: APPLY TO - Can be used in shop and home repairs, DIY projects, appliances and lawnmowers, electronics, etc.

[2]: SPECIFICATION - Outer Diameter: 15mm/0.59"; Wire Diameter: 1mm/0.04"; Free Height: 80mm/3.12"; Compressed Length: 40mm/1.56"; Load Capacity: 35N; Spring Rate: 0.88 N/mm

[3]: DESIGN - 304 stainless steel wire has good mechanical properties, wear resistance, low-temperature resistance, corrosion resistance, thermal expansion, and the thermal insulation performance is excellent, with good processing performance, and high toughness characteristics.

Using high-quality raw materials, not easy to corrode, high strength, durable, it is suitable for a variety of products from household appliances to electrical equipment, toys and more.

The surface of the spring is burr-free, smooth, high smooth, uniform spacing, uniform force, stable rebound, good flexibility, high plasticity, and strong fatigue resistance.

Material: spring steel;

Load Type: Torsion

Surface: polishing, anodizing

Material: Spring Steel

Width:3mm;

Length:1900mm;

Material: spring steel;

[1]: APPLY TO - Can be used in shop and home repairs, DIY projects, appliances and lawnmowers, electronics, etc.

[2]: SPECIFICATION - Outer Diameter: 16mm/0.63"; Wire Diameter: 1.5mm/0.06"; Free Height: 305mm/12"

[3]: DESIGN - 304 stainless steel wire has good mechanical properties, wear resistance, low-temperature resistance, corrosion resistance, thermal expansion, and the thermal insulation performance is excellent, with good processing performance, and high toughness characteristics.

Made of spring steel , features high elasticity and good precision, installed small size and generate strong force.

Widely used in the maintenance of household appliances, pens, motors, lawnmowers, etc.

Thickness:0.25mm;

The deformation angle is proportional to the torque, and has high torque.

It is used for the mechanism that works for a long time with the torque of multiple angles.

It is not easy to fatigue

High-quality materials, uniform pitch, good elasticity, smooth surface.

General use to spring equipment tools etc. Widely used in the maintenance of household appliances, motors, lawnmowers, etc.

Thickness:0.70mm; Width:16.0mm; Length:1800.0mm; Outer diameter:57.0mm

The use of high-quality raw materials is fine workmanship, uniform force, smooth surface without burrs, good elasticity, high hardness, not easy to break, long service life

Wide range of applications: suitable for electronic communications, switches, hardware, batteries, fixtures, toys and a wide range of products from household appliances to electrical equipment and motors

Thickness:0.25mm;

Made of spring steel , features high elasticity and good precision, installed small size and generate strong force.

Widely used in the maintenance of household appliances, pens, motors, lawnmowers, etc.

Thickness:0.3mm

Made of steel material not easy to rust and have strong oxidation resistance, acid resistance and corrosion resistance.

Smooth surface, uniform spacing, uniform force, stable rebound, good flexibility strong plasticity.

Thickness:0.3mm

High-quality materials, uniform pitch, good elasticity, smooth surface.

General use to spring equipment tools etc. Widely used in the maintenance of household appliances, motors, lawnmowers, etc.

Thickness:0.2mm

Thickness:0.25mm;

Width:8.0mm;

Length:5000.0mm;

The use of high-quality raw materials is fine workmanship, uniform force, smooth surface without burrs, good elasticity, high hardness, not easy to break, long service life

Wide range of applications: suitable for electronic communications, switches, hardware, batteries, fixtures, toys and a wide range of products from household appliances to electrical equipment and motors

Thickness:0.70mm; Width:16.0mm; Length:1800.0mm; Outer diameter:57.0mm

High-quality materials, uniform pitch, good elasticity, smooth surface.

General use to spring equipment tools etc. Widely used in the maintenance of household appliances, motors, lawnmowers, etc.

Constant Force Spring Cable Accessory Without Magnetic Constant Force Coil Spiral Spring Stainless Steel Belt Power Spring, 10PCS

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Coil Spiral Spring