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. 663-3514
Mfr. Part No.SRS-4-5-01
BrandRichco
PHP24.488
Each (In a Pack of 40)
units
7.9mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 663-3518
Mfr. Part No.SRS-4-6-01
BrandRichco
PHP15.564
Each (In a Pack of 40)
units
9.5mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 663-3508
Mfr. Part No.SRS-4-2-01
BrandRichco
PHP14.875
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
PHP17.027
Each (In a Pack of 40)
units
6.4mm M3.5 3.5mm 5.9mm 1.57mm Nylon
RS Stock No. 663-3502
Mfr. Part No.SRS-4-3-01
BrandRichco
PHP12.646
Each (In a Pack of 40)
units
4.8mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 663-3511
Mfr. Part No.SRS-4-4-01
BrandRichco
PHP13.249
Each (In a Pack of 40)
units
6.4mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 663-3536
Mfr. Part No.SRS-6-5-01
BrandRichco
PHP20.91
Each (In a Pack of 40)
units
7.9mm M3.5 3.5mm 5.9mm 1.57mm Nylon
RS Stock No. 663-3527
Mfr. Part No.SRS-4-7-01
BrandRichco
PHP14.89
Each (In a Pack of 40)
units
11.1mm M3 3mm 4.7mm 1.57mm Nylon
RS Stock No. 2509206651
Mfr. Part No.SRS8-8-01
BrandRichco
PHP884.64
1 Pack of 100
Pack(s)
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