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 Priced to Clear
RS Stock No. 136-6682
Mfr. Part No.02580357010
BrandSES
£89.38
1 Bag of 50
Bag(s)
Round - 1mm 36mm 47mm Polychloroprene Black - -30°C +90°C DG - 2.5mm -
RS Stock No. 136-6250
Mfr. Part No.02520078010
BrandSES
£0.629
Each (In a Bag of 100)
Units
Round - - 20mm 28mm Polychloroprene Black - -30°C +90°C HELAVIA - 3mm -
RS Stock No. 136-6676
Mfr. Part No.02580356010
BrandSES
£0.65
Each (In a Bag of 50)
Units
Round - 1mm 29mm 37mm Polychloroprene Grey - -30°C +90°C DG - 2.2mm -
RS Stock No. 124-4448
Mfr. Part No.02580012010
BrandSES
£24.54
1 Bag of 100
Bag(s)
Round - 1mm 13.5mm 20mm Polychloroprene Black - -30°C +90°C DG - 2mm -
RS Stock No. 124-4450
Mfr. Part No.02580014010
BrandSES
£59.30
1 Bag of 100
Bag(s)
Round - 1mm 25mm 32mm Polychloroprene Black - -30°C +90°C DG - 2mm -
RS Stock No. 124-4452
Mfr. Part No.02580016010
BrandSES
£64.42
1 Bag of 50
Bag(s)
Round - 1mm 39mm 50mm Polychloroprene Black - -30°C +90°C DG - 2.5mm -
RS Stock No. 124-4451
Mfr. Part No.02580015010
BrandSES
£41.92
1 Bag of 50
Bag(s)
Round - 1mm 31mm 40mm Polychloroprene Black - -30°C +90°C DG - 2.5mm -
RS Stock No. 136-6294
Mfr. Part No.02520323010
BrandSES
£0.172
Each (In a Bag of 100)
Units
Round - - 8mm 11mm Polychloroprene Black - -30°C +90°C HELAVIA - - -
RS Stock No. 124-4449
Mfr. Part No.02580013010
BrandSES
£38.85
1 Bag of 100
Bag(s)
Round - 1mm 18.5mm 25mm Polychloroprene Black - -30°C +90°C DG - 2mm -
RS Stock No. 124-4447
Mfr. Part No.02580011010
BrandSES
£20.45
1 Bag of 100
Bag(s)
Round - 1mm 9mm 16mm Polychloroprene Black - -30°C +90°C DG - 2mm -
RS Stock No. 136-6698
Mfr. Part No.02580358010
BrandSES
£2.271
Each (In a Bag of 50)
Units
Round - 1mm 48mm 60mm Polychloroprene Grey - -30°C +90°C DG - 2.5mm -
RS Stock No. 136-6036
Mfr. Part No.02520028010
BrandSES
£0.12
Each (In a Bag of 100)
Units
Round - - 8mm 10mm Polychloroprene Black - -30°C +90°C HELAVIA - 1.5mm -
RS Stock No. 136-7231
Mfr. Part No.01070041010
BrandSES
£17.56
1 Bag of 100
Bag(s)
Round - - 12mm 18mm PVC Black - -30°C +70°C PLIO - 3mm -
RS Stock No. 136-7225
Mfr. Part No.01070040010
BrandSES
£17.21
1 Bag of 100
Bag(s)
Round - - 12mm 18mm PVC Black - -30°C +70°C PLIO - 2mm -
RS Stock No. 124-4442
Mfr. Part No.02580351010
BrandSES
£20.45
1 Bag of 100
Bag(s)
Round - 1mm 9mm 15.5mm Polychloroprene Black - -30°C +90°C DG - 2mm -
RS Stock No. 175-7555
Mfr. Part No.01310032010
BrandSES
£6.13
1 Bag of 100
Bag(s)
Round - 3mm 4.5mm 9.5mm PA 6 Black - -20°C +70°C DM - 3.1mm -
RS Stock No. 136-7124
Mfr. Part No.01070030010
BrandSES
£10.54
1 Bag of 100
Bag(s)
Round - - 9mm 14mm PVC Black - -30°C +70°C PLIO - 3mm -
RS Stock No. 136-6777
Mfr. Part No.01070002010
BrandSES
£5.74
1 Bag of 100
Bag(s)
Round - - 2mm 5mm PVC Black - -30°C +70°C PLIO - 1.5mm -
RS Stock No. 124-4455
Mfr. Part No.02580018010
BrandSES
£247.44
1 Bag of 50
Bag(s)
Round - 1mm 65mm 75mm Polychloroprene Black - -30°C +90°C DG - 2.5mm -
RS Stock No. 136-6711
Mfr. Part No.02580360010
BrandSES
£3.443
Each (In a Bag of 50)
Units
Round - 1mm 69mm 79mm Polychloroprene Black - -30°C +90°C DG - 3mm -