Rubber Grommets

Grommets, sometimes referred to as edging, are pieces of plastic or rubber which cover an edge for functional or aesthetic purposes. Grommets are commonly used in electrical installations, for example, metal back boxes. They are used when wires need to pass through a panel, or where edges need smoothing.
What are they made from?
Most grommets are made from either plastic, rubber or Nylon. PVC is a popular material as it is strong and durable. Most cable grommets are black but there are other colours available, such as clear or grey.

What types of cable grommet are there?
• Round/Oval Grommets fit inside of holes that are cut into panels. They are often used to protect cables from sharp cut edges or to provide strain relief for the cable. When a hole is cut into a panel, it can often leave a sharp edge. The grommet not only makes it look better but also acts as a bumper for cables and wire than pass through. Most round/oval grommets fit by pushing or snapping into place.
• Grommet strips are strips of material that sit over the edge of a panel. They are designed to improve the appearance or to protect the edge. Grommet strips are available in various lengths which are often able to be cut to size. There are heat-activated adhesive strips available too.
• Blind/Blanking grommets are the same as round grommets however they do not have a hole in the middle. They are often used to fill holes that are not currently in use to prevent dust from getting in. Some blanking grommets have a small hole in them. These are referred to as diaphragm grommets. The hole sits snug around the wire to protect it from the surrounding area and to prevent dust from passing through to the electrics behind it.
How to choose a grommet:
If you are looking for round grommets, you need to consider the panel and the hole it is to sit in. The grommet needs to match the same size as the panel hole diameter and the thickness of the panel. The inner hole diameter also needs to meet your specification of how large the wires that pass through will be. Most measurements for grommets are given in millimetres (mm).
If you are considering a grommet strip/edging, the strip needs to fit over the width of the edge of the panel. You also need to ensure that the strip is long enough to cover your desired edge. Most strips can be cut down to size if required.

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Description Price Grommet Type Minimum Panel Thickness Minimum Cable Diameter Maximum Cable Diameter Panel Hole Diameter Material Colour Grommet Strip Length Minimum Operating Temperature Maximum Operating Temperature Series Standards Met Maximum Panel Thickness
RS Stock No. 144-2764
Mfr. Part No.FGG.1K.750.DNS
BrandLemo
TWD272.00
Each
units
- - - - - Metal - - -55°C +200°C 1K - -
RS Stock No. 187-9251
Mfr. Part No.251-21309 G51NC-PA6-NA
TWD3,695.00
1 Reel of 25 Metre(s)
Reel(s)
Grommet Strip - - - - Nylon Natural 25m -60°C +95°C Flexiform - 3.5mm
RS Stock No. 136-7124
Mfr. Part No.01070030010
TWD474.00
1 Bag of 100
Bag(s)
Round - - 9mm 14mm PVC Black - -30°C +70°C PLIO - 3mm
RS Stock No. 187-9649
Mfr. Part No.632-02060 HV2206-PVC-FR-BK (500)
TWD708.00
1 Bag of 100
Bag(s)
Round - - 5.5mm 8mm PVC Black - -30°C +60°C HV - 5mm
RS Stock No. 520-977
Mfr. Part No.0 980 93
BrandLegrand
TWD4,447.00
1 Box of 100
Box(es)
Round - - 12mm 17mm PVC Black - -20°C +80°C - - 4mm
RS Stock No. 136-6171
Mfr. Part No.02520164010
TWD1,127.00
1 Bag of 100
Bag(s)
Round - - 12mm 18mm Polychloroprene Black - -30°C +90°C HELAVIA - 2mm
RS Stock No. 187-9368
Mfr. Part No.633-04020 HV1402-PVC-FR-BK (1000)
TWD1,022.00
1 Bag of 100
Bag(s)
Round - - 6mm 18.5mm PVC Black - -30°C +60°C HV - 2mm
RS Stock No. 136-7130
BrandRS PRO
TWD712.00
1 Bag of 100
Bag(s)
Round - - 10mm 18mm PVC Black - -30°C +70°C PLIO - 1mm
RS Stock No. 401-927
Mfr. Part No.DG-19427
BrandRichco
TWD25.20
Each (In a Pack of 50)
units
Round - - 12.5mm 16mm PVC Black - -30°C +70°C DG - 2.4mm
RS Stock No. 161-4105
Mfr. Part No.01310001010
TWD261.00
1 Bag of 100
Bag(s)
Round - 5mm 6.5mm 13mm PA 6 Black - -20°C +70°C DM - 2.5mm
RS Stock No. 124-4449
Mfr. Part No.02580013010
TWD1,747.00
1 Bag of 100
Bag(s)
Round - 1mm 18.5mm 25mm Polychloroprene Black - -30°C +90°C DG - 2mm
RS Stock No. 136-6143
Mfr. Part No.02520047010
TWD703.00
1 Bag of 100
Bag(s)
Round - - 9.5mm 13mm Polychloroprene Black - -30°C +90°C HELAVIA - 2mm
RS Stock No. 178-8925
Mfr. Part No.FGG.2B.762.DN
BrandLemo
TWD321.00
Each
units
Round - - 6mm - - Silver - - - FGG 0B/1B - -
RS Stock No. 124-4444
Mfr. Part No.02580353010
TWD1,104.00
1 Bag of 100
Bag(s)
Round - 1mm 13.5mm 20.5mm Polychloroprene Black - -30°C +90°C DG - 2mm
RS Stock No. 190-1999
Mfr. Part No.02520077010
TWD22.30
Each (In a Bag of 50)
units
- - - 20mm 28mm - Black - -30°C +90°C HELAVIA - 2mm
RS Stock No. 161-4127
Mfr. Part No.01310002010
TWD614.00
1 Bag of 100
Bag(s)
Round - 6.6mm 8.5mm 16mm Polyamide Black - -20°C +70°C DM - 3.5mm
RS Stock No. 136-7023
BrandRS PRO
TWD438.00
1 Bag of 100
Bag(s)
Round - - 7mm 14mm PVC Black - -30°C +70°C PLIO - 1mm
RS Stock No. 520-832
Mfr. Part No.0 980 91
BrandLegrand
TWD1,537.00
1 Box of 100
Box(es)
Round - - 6mm 10mm PVC Black - -20°C +80°C - - 2mm
RS Stock No. 136-7225
Mfr. Part No.01070040010
TWD774.00
1 Bag of 100
Bag(s)
Round - - 12mm 18mm PVC Black - -30°C +70°C PLIO - 2mm
RS Stock No. 401-917
Mfr. Part No.DG-10806
BrandRichco
TWD28.00
Each (In a Pack of 50)
units
Round - - 25.5mm 25.5mm PVC Black - -30°C +70°C DG - 2.4mm