These Rubber Grommets are used to protect or cover through holes. There are 160 sizes available that will accommodate mounting holes ranging from 0.250 in - 2.50 in (6.4 mm - 63.5 mm) diameter and panel thickness ranging from 0.063 in - 0.375 in (1.6 mm - 9.5 mm).
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Item #

Item Name

Head Diameter

Inside Diameter

Overall Height

20300831-AC03 N/A HEYCO® 1.250 Inch (in) Head Diameter Rubber Grommet N/A 1.250 in31.80 mm N/A 0.375 in9.50 mm N/A 0.250 in6.40 mm
20300832-AC03 N/A HEYCO® 1.313 Inch (in) Head Diameter Rubber Grommet N/A 1.313 in33.40 mm N/A 0.375 in9.50 mm N/A 0.375 in9.50 mm
20300833-AC03 N/A HEYCO® 1.250 Inch (in) Head Diameter Rubber Grommet N/A 1.250 in31.80 mm N/A 0.500 in12.70 mm N/A 0.250 in6.40 mm
20300834-AC03 N/A HEYCO® 1.250 Inch (in) Head Diameter Rubber Grommet N/A 1.250 in31.80 mm N/A 0.500 in12.70 mm N/A 0.313 in8.00 mm
20300835-AC03 N/A HEYCO® 1.375 Inch (in) Head Diameter Rubber Grommet N/A 1.375 in34.90 mm N/A 0.500 in12.70 mm N/A 0.500 in12.70 mm
20300836-AC03 N/A HEYCO® 1.250 Inch (in) Head Diameter Rubber Grommet N/A 1.250 in31.80 mm N/A 0.563 in14.30 mm N/A 0.625 in15.90 mm
20300837-AC03 N/A HEYCO® 1.313 Inch (in) Head Diameter Rubber Grommet N/A 1.313 in33.40 mm N/A 0.688 in17.50 mm N/A 0.375 in9.50 mm
20300838-AC03 N/A HEYCO® 1.312 Inch (in) Head Diameter Rubber Grommet N/A 1.312 in33.30 mm N/A 0.688 in17.50 mm N/A 0.375 in9.50 mm
20300839-AC03 N/A HEYCO® 1.313 Inch (in) Head Diameter Rubber Grommet N/A 1.313 in33.40 mm N/A 0.688 in17.50 mm N/A 0.438 in11.10 mm
20300840-AC03 N/A HEYCO® 1.313 Inch (in) Head Diameter Rubber Grommet N/A 1.313 in33.40 mm N/A 0.688 in17.50 mm N/A 0.500 in12.70 mm
20300841-AC03 N/A HEYCO® 1.313 Inch (in) Head Diameter Rubber Grommet N/A 1.313 in33.40 mm N/A 0.688 in17.50 mm N/A 0.563 in14.30 mm
20300842-AC03 N/A HEYCO® 1.250 Inch (in) Head Diameter Rubber Grommet N/A 1.250 in31.80 mm N/A 0.750 in19.10 mm N/A 0.297 in7.50 mm
20300843-AC03 N/A HEYCO® 1.188 Inch (in) Head Diameter Rubber Grommet N/A 1.188 in30.20 mm N/A 0.750 in19.10 mm N/A 0.375 in9.50 mm
20300844-AC03 N/A HEYCO® 1.250 Inch (in) Head Diameter Rubber Grommet N/A 1.250 in31.80 mm N/A 0.750 in19.10 mm N/A 0.375 in9.50 mm
20300845-AC03 N/A HEYCO® 1.250 Inch (in) Head Diameter Rubber Grommet N/A 1.250 in31.80 mm N/A 0.750 in19.10 mm N/A 0.563 in14.30 mm
20300846-AC03 N/A HEYCO® 1.250 Inch (in) Head Diameter Rubber Grommet N/A 1.250 in31.80 mm N/A 0.875 in22.20 mm N/A 0.625 in15.90 mm
20300847-AC03 N/A HEYCO® 1.375 Inch (in) Head Diameter Rubber Grommet N/A 1.375 in34.90 mm N/A 0.750 in19.10 mm N/A 0.375 in9.50 mm
20300848-AC03 N/A HEYCO® 1.375 Inch (in) Head Diameter Rubber Grommet N/A 1.375 in34.90 mm N/A 0.750 in19.10 mm N/A 0.500 in12.70 mm
20300849-AC03 N/A HEYCO® 1.375 Inch (in) Head Diameter Rubber Grommet N/A 1.375 in34.90 mm N/A 0.750 in19.10 mm N/A 0.563 in14.30 mm
20300850-AC03 N/A HEYCO® 1.625 Inch (in) Head Diameter Rubber Grommet N/A 1.625 in41.30 mm N/A 0.750 in19.10 mm N/A 1.125 in28.60 mm
20300851-AC03 N/A HEYCO® 1.375 Inch (in) Head Diameter Rubber Grommet N/A 1.375 in34.90 mm N/A 0.804 in20.40 mm N/A 0.506 in12.90 mm
20300852-AC03 N/A HEYCO® 1.500 Inch (in) Head Diameter Rubber Grommet N/A 1.500 in38.10 mm N/A 0.875 in22.20 mm N/A 0.344 in8.70 mm
20300853-AC03 N/A HEYCO® 1.375 Inch (in) Head Diameter Rubber Grommet N/A 1.375 in34.90 mm N/A 0.875 in22.20 mm N/A 0.406 in10.30 mm
20300854-AC03 N/A HEYCO® 1.000 Inch (in) Head Diameter Rubber Grommet N/A 1.000 in25.40 mm N/A 0.375 in9.50 mm N/A 0.375 in9.50 mm
20300855-AC03 N/A HEYCO® 1.063 Inch (in) Head Diameter Rubber Grommet N/A 1.063 in27.00 mm N/A 0.375 in9.50 mm N/A 0.375 in9.50 mm
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