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. 187-9380
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. 666-4607
BrandRS PRO
TWD215.00
1 Bag of 100
Bag(s)
Round - - 15.5mm 20mm PVC Black - - - - - 1.7mm
RS Stock No. 124-4450
Mfr. Part No.02580014010
TWD2,666.00
1 Bag of 100
Bag(s)
Round - 1mm 25mm 32mm Polychloroprene Black - -30°C +90°C DG - 2mm
RS Stock No. 136-6064
BrandRS PRO
TWD415.00
1 Bag of 100
Bag(s)
Round - - 8mm 11mm Polychloroprene Black - -30°C +90°C HELAVIA - 1mm
RS Stock No. 136-6014
Mfr. Part No.02520146010
TWD536.00
1 Bag of 100
Bag(s)
Round - - 6mm 12mm Polychloroprene Black - -30°C +90°C HELAVIA - 2mm
RS Stock No. 874-1153
Mfr. Part No.Rayrim-NR8-0-SP
TWD137.40
Each (On a Reel of 75)
units
Grommet Strip 2mm - - - Polyolefin Black 75m -55°C +80°C Rayrim - 2.5mm
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. 124-4454
Mfr. Part No.02580019010
TWD6,208.00
1 Bag of 50
Bag(s)
Round - 1mm 53mm 68mm Polychloroprene Black - -30°C +90°C DG - 2.5mm
RS Stock No. 543-282
BrandRS PRO
TWD105.00
1 Bag of 50
Bag(s)
Round - - 6.4mm 9.5mm PVC Black - -40°C +130°C - - 2.4mm
RS Stock No. 187-9403
Mfr. Part No.633-05020 HV1502-PVC-BK (2000)
TWD495.00
1 Bag of 100
Bag(s)
Round - - 6.5mm 8mm PVC Black - -30°C +60°C HV - 1.5mm
RS Stock No. 187-9374
Mfr. Part No.633-06068 HV1606-PVC-FR-GY (500)
TWD1,963.00
1 Bag of 100
Bag(s)
Oval - - 17mm 25mm PVC Grey - -30°C +60°C HV - 3mm
RS Stock No. 190-3420
Mfr. Part No.351-7998-018
BrandITT Cannon
TWD167.90
Each (In a Bag of 100)
units
Round - - - - - Black - - - - - -
RS Stock No. 136-5897
Mfr. Part No.02520007010
TWD298.00
1 Bag of 100
Bag(s)
Round - - 4mm 8mm Polychloroprene Black - -30°C +90°C HELAVIA - 1mm
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. 136-6317
Mfr. Part No.02520058010
TWD1,258.00
1 Bag of 100
Bag(s)
Round - - 12mm 20mm Polychloroprene Black - -30°C +90°C HELAVIA - 4mm
RS Stock No. 136-7152
Mfr. Part No.01070033010
TWD789.00
1 Bag of 100
Bag(s)
Round - - 10mm 18mm PVC Black - -30°C +70°C PLIO - 3mm
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. 666-7365
BrandRS PRO
TWD21.20
Each (In a Pack of 25)
units
Round - 1mm 3mm - Rubber Black - -35°C +220°C - IEC, TSA Certified -
RS Stock No. 914-1144
Mfr. Part No.389-102
BrandAbbatron
TWD11.00
Each (In a Pack of 50)
units
- - - - 23 mmmm Plastic Red - - - - - -
RS Stock No. 136-6402
BrandRS PRO
TWD1,143.00
1 Bag of 100
Bag(s)
Round - - 9mm 20mm Polychloroprene Black - -30°C +90°C HELAVIA - 1.5mm