Spring Pins

Spring pins (also known as roll pins or tension pins) are a type of fastener that lets you securely fix various parts of a machine together acting as a self-retaining fastener between the parts. The spring pins diameter is bigger than the diameter of the hole it will be inserted into.

RS Components have a great range of fasteners including spring pins which come in various lengths with diameters from 2 mm to 5 mm which feature great strength and flexibility.

Types of Spring Pins

Coiled - popular self container fastener and features a coiled spring that expands when placed into a hole. Can absorb shock and vibration

Slotted spring pins - also referred to as C pins and feature rolled strips of metal materials such as steel, stainless steel and aluminium that have a slot which lets the pin flex and expand when inserted into a hole.

How do Spring Pins work?

Spring pins have a spring that compress and expands once it has been inserted into a hole, causing the spring pin to compress against the sides of the hole. They hold their position by spring tension.

Typical Applications

Spring pins are a common type of mechanical fastener and can be found in various applications including:

  • Machinery
  • Furniture
  • Cars
  • Electrical industries

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Description Price Diameter Length Finish Material Pin Type
RS Stock No. 374-008
BrandRS PRO
$18.17
1 Bag of 120
Bag(s)
2mm 30 x 12 mm, 30 x 18 mm, 30 x 20 mm, 30 x 8 mm Galvanised Steel Slotted Spring
RS Stock No. 374-014
BrandRS PRO
$18.80
1 Bag of 120
Bag(s)
2.5mm 30 x 12 mm, 30 x 18 mm, 30 x 20 mm, 30 x 8 mm Galvanised Steel Slotted Spring
RS Stock No. 374-058
BrandRS PRO
$14.93
1 Bag of 60
Bag(s)
5mm 15 x 12 mm, 15 x 24 mm, 15 x 35 mm, 15 x 40 mm Galvanised Steel Slotted Spring
RS Stock No. 374-042
BrandRS PRO
$15.92
1 Bag of 80
Bag(s)
4mm 20 x 12 mm, 20 x 24 mm, 20 x 35 mm, 20 x 40 mm Galvanised Steel Slotted Spring
RS Stock No. 374-020
BrandRS PRO
$17.66
1 Bag of 120
Bag(s)
3mm 30 x 10 mm, 30 x 16 mm, 30 x 24 mm, 30 x 30 mm Galvanised Steel Slotted Spring
RS Stock No. 374-036
BrandRS PRO
$26.27
1 Bag of 100
Bag(s)
3.5mm 25 x 10 mm, 25 x 16 mm, 25 x 24 mm, 25 x 30 mm Galvanised Steel Slotted Spring