RS PRO Steel Extension Spring, 82.8mm x 12mm

  • RS Stock No. 751-900
  • Manufacturer RS PRO
Technical data sheets
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 82.8mm
Maximum Extended Length 241.8mm
Outside Diameter 12mm
Wire Diameter 1.1mm
Initial Tension 35.8N
Spring Rate 0.2N/mm
160 : Next working day (AU stock)
780 : 5 working days (Global stock)
Price (ex. GST) Each (In a Pack of 10)
$ 2.097
(exc. GST)
$ 2.307
(inc. GST)
Per unit
Per Pack*
10 +
*price indicative