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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Viewing 1 - 20 of 30 products
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Description Price Body Height Fixing Screw Size Chassis Hole Diameter PCB Hole Diameter PCB Thickness Material
RS Stock No. 663-3502
Mfr. Part No.SRS-4-3-01
BrandRichco
MYR1.096
Each (In a Pack of 40)
units
4.8mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 906-3675
Mfr. Part No.SRS-4-5MM
BrandBivar
MYR0.736
Each (In a Pack of 100)
units
5mm M3 3.7mm 2.9mm - PVC
RS Stock No. 663-3514
Mfr. Part No.SRS-4-5-01
BrandRichco
MYR0.985
Each (In a Pack of 40)
units
7.9mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 663-3511
Mfr. Part No.SRS-4-4-01
BrandRichco
MYR1.148
Each (In a Pack of 40)
units
6.4mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 906-3653
Mfr. Part No.SRS-2-145
BrandBivar
MYR1.892
Each (In a Pack of 50)
units
3.7mm #6 4.4mm 3.1mm - PVC
RS Stock No. 663-3533
Mfr. Part No.SRS-6-4-01
BrandRichco
MYR1.411
Each (In a Pack of 40)
units
6.4mm M3.5 3.5mm 5.9mm 1.57mm Nylon
RS Stock No. 184-2690
Mfr. Part No.702935000
MYR1.17
Each (In a Pack of 20)
units
16.1mm M3 - - - Nylon 66
RS Stock No. 184-2731
Mfr. Part No.702940500
MYR1.34
Each (In a Pack of 20)
units
9.8mm M4 - - - Nylon 66
RS Stock No. 184-2372
Mfr. Part No.702931000
MYR0.945
Each (In a Bag of 1000)
units
9.8mm M3 - - - Nylon 66
RS Stock No. 184-2378
Mfr. Part No.702933000
MYR0.945
Each (In a Bag of 1000)
units
12.9mm M3 - - - Nylon 66
RS Stock No. 184-2363
Mfr. Part No.702922000
MYR0.945
Each (In a Bag of 2000)
units
6.4mm M2.5 - - - Nylon 66
RS Stock No. 184-2368
Mfr. Part No.702924000
MYR0.945
Each (In a Bag of 2000)
units
8.4mm M2.5 - - - Nylon 66
RS Stock No. 906-3671
Mfr. Part No.SRS-4-410
BrandBivar
MYR0.526
Each (In a Pack of 100)
units
10.4mm M3 3.7mm 2.9mm - PVC
RS Stock No. 184-2364
Mfr. Part No.702930000
MYR0.945
Each (In a Bag of 1000)
units
7.4mm M3 - - - Nylon 66
RS Stock No. 184-2722
Mfr. Part No.702933000
MYR1.03
Each (In a Pack of 20)
units
12.9mm M3 - - - Nylon 66
RS Stock No. 184-2718
Mfr. Part No.702924000
MYR1.03
Each (In a Pack of 20)
units
8.4mm M2.5 - - - Nylon 66
RS Stock No. 184-2371
Mfr. Part No.702940500
MYR1.142
Each (In a Bag of 1000)
units
9.8mm M4 - - - Nylon 66
RS Stock No. 184-2744
Mfr. Part No.702931000
MYR1.03
Each (In a Pack of 20)
units
9.8mm M3 - - - Nylon 66
RS Stock No. 906-3665
Mfr. Part No.SRS-4-160
BrandBivar
MYR2.639
Each (In a Pack of 50)
units
- M3 3.7mm 2.9mm - PVC
RS Stock No. 906-3643
Mfr. Part No.SRS-1-3MM
BrandBivar
MYR0.585
Each (In a Pack of 500)
units
3mm #4 3.6mm 2.7mm - PVC