Self-Retaining Spacers

Self retaining spacers are used to insulate the heads of screws on a PCB (printed circuit board), while providing the desired spacing between the chassis and the PCB.

How do self retaining spacers work?

Self retaining spacers are similar to round spacers or hex spacers, but with special inside diameters that are designed to grip the screw's outside shank. They have snap-in mounting mechanisms that ensure the required space is maintained even when a screw is removed.

The snap-in standoff snaps into the PCB so that its locked in position. Self retaining spacers are designed to raise stacked sections, reduce physical contact between two components and create enough space for heat dissipation. Self retaining spacers are available in several spacing heights to suit different applications.

What are self retaining spacers used for?

Self retaining spacers are used in applications that require precise control of product lengths and dimensions. Some typical applications include:

  • PCBs
  • Cable assemblies
  • Telecommunication equipment
  • Computer enclosures
  • Electronic automotive assemblies
  • LED positioning

...
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Description Price Body Height Fixing Screw Size Chassis Hole Diameter PCB Hole Diameter PCB Thickness Material
RS Stock No. 205-2928
Mfr. Part No.702910000
TWD4.80
Each (In a Bag of 2000)
units
8 M2 2.5 3 3 -
RS Stock No. 184-2378
Mfr. Part No.702933000
TWD8.80
Each (In a Bag of 1000)
units
12.9mm M3 - - - Nylon 66
RS Stock No. 205-2926
Mfr. Part No.702919000
TWD4.00
Each (In a Bag of 2000)
units
6 M2 2.5 3 3 -
RS Stock No. 205-2924
Mfr. Part No.702917000
TWD3.50
Each (In a Bag of 2000)
units
5 M2 2.5 3 3 -
RS Stock No. 205-2929
Mfr. Part No.702910000
TWD7.30
Each (In a Pack of 20)
units
8 M2 2.5 3 3 -
RS Stock No. 184-2696
Mfr. Part No.702922000
TWD9.50
Each (In a Pack of 20)
units
6.4mm M2.5 - - - Nylon 66
RS Stock No. 184-2690
Mfr. Part No.702935000
TWD10.80
Each (In a Pack of 20)
units
16.1mm M3 - - - Nylon 66
RS Stock No. 663-3527
Mfr. Part No.SRS-4-7-01
BrandRichco
TWD8.60
Each (In a Pack of 40)
units
11.1mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 205-2923
Mfr. Part No.702915000
TWD5.40
Each (In a Pack of 20)
units
4 M2 2.5 3 3 -
RS Stock No. 184-2722
Mfr. Part No.702933000
TWD9.40
Each (In a Pack of 20)
units
12.9mm M3 - - - Nylon 66
RS Stock No. 205-2918
Mfr. Part No.702911000
TWD3.40
Each (In a Bag of 2000)
units
2 M2 2.5 3 3 -
RS Stock No. 205-2921
Mfr. Part No.702913000
TWD5.20
Each (In a Pack of 20)
units
3 M2 2.5 3 3 -
RS Stock No. 184-2371
Mfr. Part No.702940500
TWD10.60
Each (In a Bag of 1000)
units
9.8mm M4 - - - Nylon 66
RS Stock No. 663-3514
Mfr. Part No.SRS-4-5-01
BrandRichco
TWD9.00
Each (In a Pack of 40)
units
7.9mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 205-2927
Mfr. Part No.702919000
TWD6.10
Each (In a Pack of 20)
units
6 M2 2.5 3 3 -
RS Stock No. 205-2925
Mfr. Part No.702917000
TWD5.40
Each (In a Pack of 20)
units
5 M2 2.5 3 3 -
RS Stock No. 184-2744
Mfr. Part No.702931000
TWD9.40
Each (In a Pack of 20)
units
9.8mm M3 - - - Nylon 66
RS Stock No. 184-2718
Mfr. Part No.702924000
TWD9.50
Each (In a Pack of 20)
units
5mm M2.5 - - - Nylon 66
RS Stock No. 184-2368
Mfr. Part No.702924000
TWD8.90
Each (In a Bag of 2000)
units
5mm M2.5 - - - Nylon 66
RS Stock No. 184-2706
Mfr. Part No.702930000
TWD9.40
Each (In a Pack of 20)
units
7.4mm M3 - - - Nylon 66