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 33 products
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Description Price Body Height Fixing Screw Size Chassis Hole Diameter PCB Hole Diameter PCB Thickness Material
RS Stock No. 906-3653
Mfr. Part No.SRS-2-145
BrandBivar
HK$4.474
Each (In a Pack of 50)
units
3.7mm #6 4.4mm 3.1mm - PVC
RS Stock No. 906-3669
Mfr. Part No.SRS-4-205
BrandBivar
HK$5.398
Each (In a Pack of 50)
units
5.2mm M3 3.7mm 2.9mm - PVC
RS Stock No. 184-2362
Mfr. Part No.702935000
HK$1.727
Each (In a Bag of 1000)
units
16.1mm M3 - - - -
RS Stock No. 184-2696
Mfr. Part No.702922000
HK$1.90
Each (In a Pack of 20)
units
6.4mm M2.5 - - - -
RS Stock No. 184-2722
Mfr. Part No.702933000
HK$1.829
Each (In a Pack of 20)
units
12.9mm M3 - - - -
RS Stock No. 184-2731
Mfr. Part No.702940500
HK$2.372
Each (In a Pack of 20)
units
9.8mm M4 - - - -
RS Stock No. 184-2363
Mfr. Part No.702922000
HK$1.80
Each (In a Bag of 2000)
units
6.4mm M2.5 - - - -
RS Stock No. 184-2371
Mfr. Part No.702940500
HK$1.974
Each (In a Bag of 1000)
units
9.8mm M4 - - - -
RS Stock No. 184-2690
Mfr. Part No.702935000
HK$2.07
Each (In a Pack of 20)
units
16.1mm M3 - - - -
RS Stock No. 663-3502
Mfr. Part No.SRS-4-3-01
BrandRichco
HK$1.859
Each (In a Pack of 40)
units
4.8mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 663-3514
Mfr. Part No.SRS-4-5-01
BrandRichco
HK$2.225
Each (In a Pack of 40)
units
7.9mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 184-2718
Mfr. Part No.702924000
HK$1.829
Each (In a Pack of 20)
units
8.4mm M2.5 - - - -
RS Stock No. 906-3643
Mfr. Part No.SRS-1-3MM
BrandBivar
HK$1.09
Each (In a Pack of 500)
units
3mm #4 3.6mm 2.7mm - PVC
RS Stock No. 184-2744
Mfr. Part No.702931000
HK$1.90
Each (In a Pack of 20)
units
9.8mm M3 - - - -
RS Stock No. 906-3671
Mfr. Part No.SRS-4-410
BrandBivar
HK$1.371
Each (In a Pack of 100)
units
10.4mm M3 3.7mm 2.9mm - PVC
RS Stock No. 663-3508
Mfr. Part No.SRS-4-2-01
BrandRichco
HK$2.61
Each (In a Pack of 40)
units
3.2mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 663-3533
Mfr. Part No.SRS-6-4-01
BrandRichco
HK$2.42
Each (In a Pack of 40)
units
6.4mm M3.5 3.5mm 5.9mm 1.57mm Nylon
RS Stock No. 184-2368
Mfr. Part No.702924000
HK$1.464
Each (In a Bag of 2000)
units
8.4mm M2.5 - - - -
RS Stock No. 184-2375
Mfr. Part No.702932000
HK$1.525
Each (In a Bag of 1000)
units
11.3mm M3 - - - -
RS Stock No. 184-2372
Mfr. Part No.702931000
HK$1.80
Each (In a Bag of 1000)
units
9.8mm M3 - - - -
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