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

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N/A HEYCO® 0.344 Inch (in) Head Diameter Rubber Grommet N/A 0.344 in8.70 mm N/A 0.125 in3.20 mm N/A 0.188 in4.80 mm
N/A HEYCO® 0.375 Inch (in) Head Diameter Rubber Grommet N/A 0.375 in9.50 mm N/A 0.156 in4.00 mm N/A 0.188 in4.80 mm
N/A HEYCO® 0.406 Inch (in) Head Diameter Rubber Grommet N/A 0.406 in10.30 mm N/A 0.188 in4.80 mm N/A 0.219 in5.60 mm
N/A HEYCO® 0.438 Inch (in) Head Diameter Rubber Grommet N/A 0.438 in11.10 mm N/A 0.156 in4.00 mm N/A 0.375 in9.50 mm
N/A HEYCO® 0.438 Inch (in) Head Diameter Rubber Grommet N/A 0.438 in11.10 mm N/A 0.188 in4.80 mm N/A 0.219 in5.60 mm
N/A HEYCO® 0.438 Inch (in) Head Diameter Rubber Grommet N/A 0.438 in11.10 mm N/A 0.188 in4.80 mm N/A 0.188 in4.80 mm
N/A HEYCO® 0.438 Inch (in) Head Diameter Rubber Grommet N/A 0.438 in11.80 mm N/A 0.188 in4.80 mm N/A 0.250 in6.40 mm
N/A HEYCO® 0.438 Inch (in) Head Diameter Rubber Grommet N/A 0.438 in11.80 mm N/A 0.188 in4.80 mm N/A 0.313 in8.00 mm
N/A HEYCO® 0.438 Inch (in) Head Diameter Rubber Grommet N/A 0.438 in11.80 mm N/A 0.188 in4.80 mm N/A 0.375 in9.50 mm
N/A HEYCO® 0.438 Inch (in) Head Diameter Rubber Grommet N/A 0.438 in11.80 mm N/A 0.219 in5.60 mm N/A 0.188 in4.80 mm
N/A HEYCO® 0.500 Inch (in) Head Diameter Rubber Grommet N/A 0.500 in12.70 mm N/A 0.125 in3.20 mm N/A 0.313 in8.00 mm
N/A HEYCO® 0.500 Inch (in) Head Diameter Rubber Grommet N/A 0.500 in12.70 mm N/A 0.188 in4.80 mm N/A 0.250 in6.40 mm
N/A HEYCO® 0.500 Inch (in) Head Diameter Rubber Grommet N/A 0.500 in12.70 mm N/A 0.188 in4.80 mm N/A 0.281 in7.10 mm
N/A HEYCO® 0.500 Inch (in) Head Diameter Rubber Grommet N/A 0.500 in12.70 mm N/A 0.250 in6.40 mm N/A 0.250 in6.40 mm
N/A HEYCO® 0.563 Inch (in) Head Diameter Rubber Grommet N/A 0.563 in14.30 mm N/A 0.250 in6.40 mm N/A 0.281 in7.10 mm
N/A HEYCO® 0.563 Inch (in) Head Diameter Rubber Grommet N/A 0.563 in14.30 mm N/A 0.281 in7.10 mm N/A 0.250 in6.40 mm
N/A HEYCO® 0.563 Inch (in) Head Diameter Rubber Grommet N/A 0.563 in14.30 mm N/A 0.250 in6.40 mm N/A 0.250 in6.40 mm
N/A HEYCO® 0.563 Inch (in) Head Diameter Rubber Grommet N/A 0.563 in14.30 mm N/A 0.313 in8.00 mm N/A 0.500 in12.70 mm
N/A HEYCO® 0.625 Inch (in) Head Diameter Rubber Grommet N/A 0.625 in15.90 mm N/A 0.188 in4.80 mm N/A 0.375 in9.50 mm
N/A HEYCO® 0.625 Inch (in) Head Diameter Rubber Grommet N/A 0.625 in15.90 mm N/A 0.281 in7.10 mm N/A 0.375 in9.50 mm
N/A HEYCO® 0.625 Inch (in) Head Diameter Rubber Grommet N/A 0.625 in15.90 mm N/A 0.313 in8.00 mm N/A 0.281 in7.10 mm
N/A HEYCO® 0.625 Inch (in) Head Diameter Rubber Grommet N/A 0.625 in15.90 mm N/A 0.313 in8.00 mm N/A 0.313 in8.00 mm
N/A HEYCO® 0.625 Inch (in) Head Diameter Rubber Grommet N/A 0.625 in15.90 mm N/A 0.250 in6.40 mm N/A 0.188 in4.80 mm
N/A HEYCO® 0.625 Inch (in) Head Diameter Rubber Grommet N/A 0.625 in15.90 mm N/A 0.250 in6.40 mm N/A 0.313 in8.00 mm
N/A HEYCO® 0.625 Inch (in) Head Diameter Rubber Grommet N/A 0.625 in15.90 mm N/A 0.250 in6.40 mm N/A 0.250 in6.40 mm
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