Material: Steel
Free length: 78.5 mm
Extended length max: 93.50 mm
Outer diameter: 18 mm
Wire diameter: 3.6 mm
Preload: 630 N
Spring hardness: 35.8 N/mm

Materials according to DIN 17223, class C or BS 1408 CR3. Dimensions comply with DIN 2097, grade 2. Surface: oiled. Extension springs made of string wire. Manufactured from piano/string wire with high tensile strength, featuring a clockwise spiral and loop ends.

Features and benefits:

• Attached at both ends
• The spring absorbs and stores energy
• Creates resistance to tensile forces
• Initial tension manipulation can achieve individual requirements
• Coiled against expansion

Applications:

• Automotive interior and exterior
• Garage door assemblies
• Vise-grip tongs
• Carburetors
• Trampolines
• Washing equipment
• Agricultural machinery.