RS PRO Steel Extension Spring, 48mm x 11mm

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Subtotal (1 pack of 10 units)*

£14.74

(exc. VAT)

£17.69

(inc. VAT)

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  • 120 unit(s) ready to ship
  • Plus 260 unit(s) ready to ship from another location
  • Plus 600 unit(s) shipping from 12 December 2025
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Units
Per unit
Per Pack*
10 +£1.474£14.74

*price indicative

RS Stock No.:
121-337
Distrelec Article No.:
304-16-889
Brand:
RS PRO
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Brand

RS PRO

Material

Steel

Free Length

48mm

Maximum Extended Length

58.10mm

Outside Diameter

11mm

Wire Diameter

2.2mm

Initial Tension

37.81N

Spring Rate

21.9N/mm

COO (Country of Origin):
GB
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

Applications:

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

Standards

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

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