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. 136-7231
Mfr. Part No.01070041010
MYR132.81
1 Bag of 100
Bag(s)
Round - - 12mm 18mm PVC Black - -30°C +70°C PLIO - 3mm
RS Stock No. 161-4048
Mfr. Part No.01330351010
MYR92.02
1 Bag of 100
Bag(s)
Round - - 9mm 15mm PVC Black - -30°C +70°C PLIO - 2mm
RS Stock No. 136-6682
Mfr. Part No.02580357010
MYR778.41
1 Bag of 50
Bag(s)
Round - 1mm 36mm 47mm Polychloroprene Black - -30°C +90°C DG - 2.5mm
RS Stock No. 136-6884
Mfr. Part No.01070012010
MYR43.56
1 Bag of 100
Bag(s)
Round - - 5mm 8mm PVC Black - -30°C +70°C PLIO - 2mm
RS Stock No. 124-4452
Mfr. Part No.02580016010
MYR440.85
1 Bag of 50
Bag(s)
Round - 1mm 39mm 50mm Polychloroprene Black - -30°C +90°C DG - 2.5mm
RS Stock No. 124-4446
Mfr. Part No.02580355010
MYR401.10
1 Bag of 100
Bag(s)
Round - 1mm 21mm 28mm Polychloroprene Black - -30°C +90°C DG - 2mm
RS Stock No. 161-4098
Mfr. Part No.01330355010
MYR175.23
1 Bag of 100
Bag(s)
Round - - 21mm 28mm PVC Black - -30°C +70°C PLIO - 2mm
RS Stock No. 136-5926
Mfr. Part No.02520130010
MYR59.81
1 Bag of 100
Bag(s)
Round - - 5mm 7mm Polychloroprene Black - -30°C +90°C HELAVIA - 1mm
RS Stock No. 136-6632
Mfr. Part No.01330352010
MYR79.50
1 Bag of 100
Bag(s)
Round - - 11mm 18mm PVC Black - -30°C +70°C PLIO - 2mm
RS Stock No. 136-7225
Mfr. Part No.01070040010
MYR140.87
1 Bag of 100
Bag(s)
Round - - 12mm 18mm PVC Black - -30°C +70°C PLIO - 2mm
RS Stock No. 161-4076
Mfr. Part No.01330354010
MYR152.08
1 Bag of 100
Bag(s)
Round - - 16mm 22mm PVC Black - -30°C +70°C PLIO - 2mm
RS Stock No. 161-3556
Mfr. Part No.01350003013
MYR322.93
1 Bag of 100
Bag(s)
Oval - - 44mm 52 x 13mm PVC Grey - - +70°C PLIO - 3mm
RS Stock No. 136-6856
Mfr. Part No.01070009010
MYR43.43
1 Bag of 100
Bag(s)
Round - - 4mm 8mm PVC Black - -30°C +70°C PLIO - 2mm
RS Stock No. 136-6676
Mfr. Part No.02580356010
MYR246.89
1 Bag of 50
Bag(s)
Round - 1mm 29mm 37mm Polychloroprene Black - -30°C +90°C DG - 2.2mm
RS Stock No. 136-6935
Mfr. Part No.01070017010
MYR60.23
1 Bag of 100
Bag(s)
Round - - 5.5mm 9mm PVC Black - -30°C +70°C PLIO - 3mm
RS Stock No. 124-4448
Mfr. Part No.02580012010
MYR160.00
1 Bag of 100
Bag(s)
Round - 1mm 13.5mm 20mm Polychloroprene Black - -30°C +90°C DG - 2mm
RS Stock No. 136-6862
Mfr. Part No.01070010010
MYR42.51
1 Bag of 100
Bag(s)
Round - - 5mm 8mm PVC Black - -30°C +70°C PLIO - 1mm
RS Stock No. 124-4447
Mfr. Part No.02580011010
MYR131.24
1 Bag of 100
Bag(s)
Round - 1mm 9mm 16mm Polychloroprene Black - -30°C +90°C DG - 2mm
RS Stock No. 136-6193
Mfr. Part No.02520166010
MYR181.59
1 Bag of 100
Bag(s)
Round - - 12mm 18mm Polychloroprene Black - -30°C +90°C HELAVIA - 4mm
RS Stock No. 124-4444
Mfr. Part No.02580353010
MYR162.64
1 Bag of 100
Bag(s)
Round - 1mm 13.5mm 20.5mm Polychloroprene Black - -30°C +90°C DG - 2mm