RS PRO Steel Extension Spring, 69.8mm x 16mm

Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): GB
Product Details

Music Wire Extension Springs

Manufactured from high tensile strength piano/music wire, with a right-hand (clockwise) helix and looped ends.

Features and Benefits

Attached at both ends
Springs absorb and store energy
Create resistance to pulling force
Initial tension manipulation can achieve individual requirements
Wound to oppose extension


Automotive interiors and exteriors
Garage door assemblies
Vise-grip pliers
Washing devices
Farm machinery


Materials to DIN17223 Class C or BS1408 CR3. Dimensions conform to DIN2097 Grade 2. Oiled finish.

Attribute Value
Material Steel
Free Length 69.8mm
Maximum Extended Length 83.40mm
Outside Diameter 16mm
Wire Diameter 3.2mm
Initial Tension 510N
Spring Rate 31.8N/mm
245 In stock for FREE next working day delivery
Price Each (In a Pack of 5)
£ 2.542
(exc. VAT)
£ 3.05
(inc. VAT)
Per unit
Per Pack*
5 +
*price indicative