RS PRO Steel Extension Spring, 87.2mm x 20mm

Subtotal (1 pack of 3 units)*

£17.31

(exc. VAT)

£20.76

(inc. VAT)

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3 +£5.77£17.31

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RS Stock No.:
121-400
Brand:
RS PRO
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Brand

RS PRO

Material

Steel

Free Length

87.2mm

Maximum Extended Length

103.4mm

Outside Diameter

20mm

Wire Diameter

4mm

Initial Tension

113.86N

Spring Rate

39.7N/mm

COO (Country of Origin):
GB

RS PRO Steel Extension Spring


Get the power you need with RS PRO Extension Spring! This heavy-duty extension spring is perfect for any application, no matter the load capacity or operating temperature. It's made of highly magnetic steel music wire for up to 757.0 newtons of force and can operate up to 250°F (121°C). Plus, its oil finish is dry to the touch for extra corrosion resistance. Get the reliable performance you need with RS PRO Extension Spring!

How do they work?


Extension springs are coils attached by two components from both ends of the spring. When pulled apart the extension springs pull them back together again. The springs' tension can be adapted depending on the application load requirements.

Why would you choose RS PRO for Extension springs?


Extension springs are often the least expensive part of your assemblies, failure can mean costly machine downtime and product rejects. To ensure quality and longer reliability RS PRO offer a range of steel extension springs with various spring rates and length to suit your application.

Features and Benefits


  • Highly magnetic steel music wire per ASTM A228 for greater strength than stainless steel

  • Full twist loop ends for secure fastening

  • Load capacity of 757.0 newtons

  • Maximum operating temperature of 250 degrees F (121 degrees C)

  • Dry to the touch oil finish for added corrosion resistance

Application


  • Automotive engines

  • Appliances

  • Medical devices

  • Electronics

  • Measuring instruments

Standards

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

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