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 Maximum Panel Thickness
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. 401-917
Mfr. Part No.DG-10806
BrandRichco
MYR4.499
Each (In a Pack of 50)
units
Round - - 25.5mm 25.5mm PVC Black - -30°C +70°C DG 2.4mm
RS Stock No. 187-9526
Mfr. Part No.633-02090 HV1209-PVC-FR-BK
MYR41.45
1 Bag of 100
Bag(s)
Round - - 4mm 9mm PVC Black - -30°C +60°C HV 1.5mm
RS Stock No. 136-6856
Mfr. Part No.01070009010
MYR43.57
1 Bag of 100
Bag(s)
Round - - 4mm 8mm PVC Black - -30°C +70°C PLIO 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. 124-4445
Mfr. Part No.02580354010
MYR191.97
1 Bag of 100
Bag(s)
Round - 1mm 16mm 22.5mm Polychloroprene Black - -30°C +90°C DG 2mm
RS Stock No. 187-9374
Mfr. Part No.633-06068 HV1606-PVC-FR-GY
MYR310.84
1 Bag of 100
Bag(s)
Oval - - 17mm 25mm PVC Grey - -30°C +60°C HV 3mm
RS Stock No. 843-6656
Mfr. Part No.09000005355
BrandHARTING
MYR15.52
Each
units
Round - 7mm 8mm 7.8mm Thermoplastic Rubber Black - -40°C +125°C - -
RS Stock No. 215-6155
Mfr. Part No.FGG.1B.742.DN
BrandLemo
MYR23.35
Each
units
Round - - - - Brass Silver - - - 1B -
RS Stock No. 666-4622
BrandRS PRO
MYR56.16
1 Bag of 100
Bag(s)
Round - - 20.8mm 26mm PVC Black - - - - 2mm
RS Stock No. 136-7023
BrandRS PRO
MYR69.43
1 Bag of 100
Bag(s)
Round - - 7mm 14mm PVC Black - -30°C +70°C PLIO 1mm
RS Stock No. 136-6418
BrandRS PRO
MYR1,078.31
1 Bag of 25
Bag(s)
Round - - 30mm 39mm Polychloroprene Black - -30°C +90°C HELAVIA -
RS Stock No. 187-9683
Mfr. Part No.632-02280 HV2228-PVC-FR-BK
MYR128.10
1 Bag of 100
Bag(s)
Round - - 5.5mm 8mm PVC Black - -30°C +60°C HV -
RS Stock No. 429-694
BrandRS PRO
MYR96.93
1 Reel of 25 Metre(s)
Reel(s)
Grommet Strip 1.6mm 1.6mm 2mm - Polyethylene Clear 25m - - - -
RS Stock No. 187-9627
Mfr. Part No.632-01040 HV2104-PVC-FR-BK
MYR102.90
1 Bag of 100
Bag(s)
Round - - 3mm 9.5mm PVC Black - -30°C +60°C HV 3.5mm
RS Stock No. 136-6187
Mfr. Part No.02520165010
MYR211.80
1 Bag of 100
Bag(s)
Round - - 12mm 18mm Polychloroprene Black - -30°C +90°C HELAVIA 3mm
RS Stock No. 136-6238
Mfr. Part No.02520068010
MYR251.71
1 Bag of 100
Bag(s)
Round - - 14mm 20mm Polychloroprene Black - -30°C +90°C HELAVIA 4mm
RS Stock No. 187-9481
Mfr. Part No.633-02060 HV1206-PVC-FR-BK
MYR73.06
1 Bag of 100
Bag(s)
Round - - 10mm 12mm PVC Black - -30°C +60°C HV 6mm
RS Stock No. 187-9346
Mfr. Part No.633-03050 HV1305-PVC-FR-BK
MYR139.29
1 Bag of 100
Bag(s)
Round - - 14mm 18mm PVC Black - -30°C +60°C HV 3mm
RS Stock No. 124-4455
Mfr. Part No.02580018010
MYR1,693.09
1 Bag of 50
Bag(s)
Round - 1mm 65mm 75mm Polychloroprene Black - -30°C +90°C DG 2.5mm