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. 170-7718
Mfr. Part No.SNGS-1 NATUREL
BrandRichco
TWD3,301.00
1 Reel of 30 Metre(s)
Reel(s)
Grommet Strip 0.5mm - - - Nylon Clear 3m - - SNGS - 1mm
RS Stock No. 136-6424
Mfr. Part No.02520054010
TWD786.00
1 Bag of 100
Bag(s)
Round - - 11mm 15mm Polychloroprene Black - -30°C +90°C HELAVIA - 1.5mm
RS Stock No. 241-4596
BrandRS PRO
TWD1,044.00
1 Box of 100
Box(es)
Round - - 12mm 16mm PVC Black - - - - - 3mm
RS Stock No. 874-1153
Mfr. Part No.Rayrim-NR8-0-SP
TWD147.50
Each (On a Reel of 75)
units
Grommet Strip 2mm - - - Polyolefin Black 75m -55°C +80°C Rayrim - 2.5mm
RS Stock No. 124-4443
Mfr. Part No.02580352010
TWD878.00
1 Bag of 100
Bag(s)
Round - 1mm 11mm 18.5mm Polychloroprene Black - -30°C +90°C DG - 2mm
RS Stock No. 136-6092
Mfr. Part No.02520037010
TWD591.00
1 Bag of 100
Bag(s)
Round - - 9mm 11mm Polychloroprene Black - -30°C +90°C HELAVIA - 1.5mm
RS Stock No. 543-282
BrandRS PRO
TWD106.00
1 Bag of 50
Bag(s)
Round - - 6.4mm 9.5mm PVC Black - -40°C +130°C - - 2.4mm
RS Stock No. 102-5965
Mfr. Part No.SPGS-2.5 (30 M)
BrandRichco
TWD2,242.00
Each
units
Grommet Strip 1.5mm - - - Polyethylene Natural 30.48m - - SPGS - 2.5mm
RS Stock No. 874-1140
Mfr. Part No.Rayrim-NR6-0-SP
TWD121.00
Each (On a Reel of 100)
units
Grommet Strip 0.6mm - - - Polyolefin Black 100m -55°C +80°C Rayrim - 0.8mm
RS Stock No. 136-6200
Mfr. Part No.02520065010
TWD1,816.00
1 Bag of 100
Bag(s)
Round - - 14mm 20mm Polychloroprene Black - -30°C +90°C HELAVIA - 1.5mm
RS Stock No. 144-2763
Mfr. Part No.FGG.1K.745.DNS
BrandLemo
TWD352.00
Each
units
- - - - - Metal - - -55°C +200°C 1K - -
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. 187-9289
Mfr. Part No.633-02180 HV1218-PVC-FR-BK (1000)
TWD377.00
1 Bag of 100
Bag(s)
Round - - 6mm 10mm PVC Black - -30°C +60°C HV - 4mm
RS Stock No. 175-7533
Mfr. Part No.01310012010
TWD310.00
1 Bag of 100
Bag(s)
Round - 3mm 4.5mm 9.5mm Polyamide Black - -20°C +70°C DM - 1.7mm
RS Stock No. 605-661
BrandRS PRO
TWD327.00
1 Box of 100
Box(es)
Round - - 16mm 20mm PVC Black - -40°C +130°C - - 1.5mm
RS Stock No. 187-9661
Mfr. Part No.632-02100 HV2210-PVC-FR-BK (1000)
TWD475.00
1 Bag of 100
Bag(s)
Round - - 6.5mm 8.8mm PVC Black - -30°C +60°C HV - -
RS Stock No. 666-4616
BrandRS PRO
TWD231.00
1 Bag of 100
Bag(s)
Round - - 18.9mm 25mm PVC Black - - - - - 1.5mm
RS Stock No. 520-822
Mfr. Part No.0 980 92
BrandLegrand
TWD1,537.00
1 Box of 100
Box(es)
Round - - 7mm 11mm PVC Black - -20°C +80°C - - 2mm
RS Stock No. 324-7218
Mfr. Part No.FGG.3B.792.DN
BrandLemo
TWD417.00
Each
units
Round - - - - Brass Silver - - - 2B/3B - -
RS Stock No. 187-9403
Mfr. Part No.633-05020 HV1502-PVC-BK (2000)
TWD487.00
1 Bag of 100
Bag(s)
Round - - 6.5mm 8mm PVC Black - -30°C +60°C HV - 1.5mm