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. 187-9324
Mfr. Part No.633-03040 HV1304-PVC-FR-BK (1000)
TWD607.00
1 Bag of 100
Bag(s)
Round - - 8mm 11mm PVC Black - -30°C +60°C HV - 6mm
RS Stock No. 187-9605
Mfr. Part No.632-01030 HV2103-PVC-FR-BK (1000)
TWD632.00
1 Bag of 100
Bag(s)
Round - - 3mm 9mm PVC Black - -30°C +60°C HV - -
RS Stock No. 187-9510
Mfr. Part No.633-02080 HV1208-PVC-FR-BK (1000)
TWD354.00
1 Bag of 100
Bag(s)
Round - - 8mm 9.5mm PVC Black - -30°C +60°C HV - 1.5mm
RS Stock No. 136-6884
Mfr. Part No.01070012010
TWD259.00
1 Bag of 100
Bag(s)
Round - - 5mm 8mm PVC Black - -30°C +70°C PLIO - 2mm
RS Stock No. 865-9714
BrandRS PRO
TWD368.00
Each
units
Grommet Strip 0.5mm 0.5mm 1mm - Polyethylene Natural 10m - - - - 1mm
RS Stock No. 161-4133
Mfr. Part No.01310003010
TWD1,012.00
1 Bag of 100
Bag(s)
Round - 8.1mm 10mm 22.5mm PA 6 Black - -20°C +70°C DM - 3.2mm
RS Stock No. 187-9576
Mfr. Part No.633-02160 HV1216-PVC-FR-BK (2000)
TWD310.00
1 Bag of 100
Bag(s)
Round - - 5mm 8mm PVC Black - -30°C +60°C HV - 1.5mm
RS Stock No. 187-9302
Mfr. Part No.633-03020 HV1302-PVC-FR-BK (1000)
TWD457.00
1 Bag of 100
Bag(s)
Round - - 8mm 11mm PVC Black - -30°C +60°C HV - 3mm
RS Stock No. 136-6632
Mfr. Part No.01330352010
TWD452.00
1 Bag of 100
Bag(s)
Round - - 11mm 18mm PVC Black - -30°C +70°C PLIO - 2mm
RS Stock No. 241-4596
BrandRS PRO
TWD1,059.00
1 Box of 100
Box(es)
Round - - 12mm 16mm PVC Black - - - - - 3mm
RS Stock No. 187-9380
Mfr. Part No.633-06078 HV1607-PVC-FR-GY (250)
TWD2,382.00
1 Bag of 100
Bag(s)
Oval - - 29mm 37mm PVC Grey - -30°C +60°C HV - 3mm
RS Stock No. 124-4455
Mfr. Part No.02580018010
TWD11,127.00
1 Bag of 50
Bag(s)
Round - 1mm 65mm 75mm Polychloroprene Black - -30°C +90°C DG - 2.5mm
RS Stock No. 136-6058
Mfr. Part No.02520029010
TWD541.00
1 Bag of 100
Bag(s)
Round - - 8mm 10mm Polychloroprene Black - -30°C +90°C HELAVIA - 2mm
RS Stock No. 102-4209
BrandRS PRO
TWD287.00
1 Bag of 100
Bag(s)
Round - - 4.8mm 9.5mm PVC Black - -40°C +135°C - - 1.6mm
RS Stock No. 187-9627
Mfr. Part No.632-01040 HV2104-PVC-FR-BK (1000)
TWD648.00
1 Bag of 100
Bag(s)
Round - - 3mm 9.5mm PVC Black - -30°C +60°C HV - 3.5mm
RS Stock No. 136-6193
Mfr. Part No.02520166010
TWD1,058.00
1 Bag of 100
Bag(s)
Round - - 12mm 18mm Polychloroprene Black - -30°C +90°C HELAVIA - 4mm
RS Stock No. 136-6890
BrandRS PRO
TWD271.00
1 Bag of 100
Bag(s)
Round - - 5.5mm 8mm PVC Black - -30°C +70°C PLIO - 1.5mm
RS Stock No. 187-9352
Mfr. Part No.633-04010 HV1401-PVC-FR-BK (1000)
TWD522.00
1 Bag of 100
Bag(s)
Round - - 5mm 9.5mm PVC Black - -30°C +60°C HV - 0.8mm
RS Stock No. 161-4111
Mfr. Part No.01310010010
TWD380.00
1 Bag of 100
Bag(s)
Round - 6.5mm 7.5mm 13mm PA 6 Black - -20°C +70°C DM - 2.5mm
RS Stock No. 136-5948
Mfr. Part No.02520132010
TWD356.00
1 Bag of 100
Bag(s)
Round - - 5mm 7mm Polychloroprene Black - -30°C +90°C HELAVIA - 2mm