EFC International
EFC International
1940 Craigshire St. Louis,
MO 63146-4008
Phone: 1 314.434.28881
Contact: www.efc-intl.com/contact
Website: www.efc-intl.com
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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).
HEYCO® Rubber Grommets
Unit of Measure
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Item #

Item Name

Head Diameter

Inside Diameter

Overall Height

20300856-AC03 N/A HEYCO® 1.500 Inch (in) Head Diameter Rubber Grommet N/A 1.500 in38.10 mm N/A 0.500 in12.70 mm N/A 0.250 in6.40 mm
20300857-AC03 N/A HEYCO® 1.500 Inch (in) Head Diameter Rubber Grommet N/A 1.500 in38.10 mm N/A 0.500 in12.70 mm N/A 0.313 in8.00 mm
20300858-AC03 N/A HEYCO® 1.500 Inch (in) Head Diameter Rubber Grommet N/A 1.500 in38.10 mm N/A 0.625 in15.90 mm N/A 0.250 in6.40 mm
20300859-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 0.250 in6.40 mm
20300860-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 0.313 in8.00 mm
20300861-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 0.438 in11.10 mm
20300862-AC03 N/A HEYCO® 1.750 Inch (in) Head Diameter Rubber Grommet N/A 1.750 in44.50 mm N/A 0.875 in22.20 mm N/A 0.750 in19.10 mm
20300863-AC03 N/A HEYCO® 1.625 Inch (in) Head Diameter Rubber Grommet N/A 1.625 in41.30 mm N/A 0.875 in22.20 mm N/A 0.438 in11.10 mm
20300864-AC03 N/A HEYCO® 1.625 Inch (in) Head Diameter Rubber Grommet N/A 1.625 in41.30 mm N/A 0.875 in22.20 mm N/A 0.500 in12.70 mm
20300865-AC03 N/A HEYCO® 1.625 Inch (in) Head Diameter Rubber Grommet N/A 1.625 in41.30 mm N/A 0.875 in22.20 mm N/A 0.563 in14.30 mm
20300866-AC03 N/A HEYCO® 1.625 Inch (in) Head Diameter Rubber Grommet N/A 1.625 in41.30 mm N/A 0.875 in22.20 mm N/A 0.625 in15.90 mm
20300867-AC03 N/A HEYCO® 1.500 Inch (in) Head Diameter Rubber Grommet N/A 1.500 in38.10 mm N/A 1.000 in25.40 mm N/A 0.625 in15.90 mm
20300868-AC03 N/A HEYCO® 1.563 Inch (in) Head Diameter Rubber Grommet N/A 1.563 in39.70 mm N/A 1.000 in25.40 mm N/A 0.313 in8.00 mm
20300869-AC03 N/A HEYCO® 1.500 Inch (in) Head Diameter Rubber Grommet N/A 1.500 in38.10 mm N/A 1.000 in25.40 mm N/A 0.438 in11.10 mm
20300870-AC03 N/A HEYCO® 1.750 Inch (in) Head Diameter Rubber Grommet N/A 1.750 in44.50 mm N/A 1.000 in25.40 mm N/A 0.750 in19.10 mm
20300871-AC03 N/A HEYCO® 1.750 Inch (in) Head Diameter Rubber Grommet N/A 1.750 in44.50 mm N/A 1.000 in25.40 mm N/A 0.438 in11.10 mm
20300872-AC03 N/A HEYCO® 1.750 Inch (in) Head Diameter Rubber Grommet N/A 1.750 in44.50 mm N/A 1.000 in25.40 mm N/A 0.500 in12.70 mm
20300873-AC03 N/A HEYCO® 1.750 Inch (in) Head Diameter Rubber Grommet N/A 1.750 in44.50 mm N/A 1.000 in25.40 mm N/A 0.563 in14.30 mm
20300874-AC03 N/A HEYCO® 1.750 Inch (in) Head Diameter Rubber Grommet N/A 1.750 in44.50 mm N/A 1.000 in25.40 mm N/A 0.625 in15.90 mm
20300875-AC03 N/A HEYCO® 1.875 Inch (in) Head Diameter Rubber Grommet N/A 1.875 in47.60 mm N/A 1.125 in28.60 mm N/A 0.500 in12.70 mm
20300876-AC03 N/A HEYCO® 1.875 Inch (in) Head Diameter Rubber Grommet N/A 1.875 in47.60 mm N/A 1.125 in28.60 mm N/A 0.375 in9.50 mm
20300877-AC03 N/A HEYCO® 1.750 Inch (in) Head Diameter Rubber Grommet N/A 1.750 in44.50 mm N/A 1.188 in30.20 mm N/A 0.406 in10.30 mm
20300878-AC03 N/A HEYCO® 1.875 Inch (in) Head Diameter Rubber Grommet N/A 1.875 in47.60 mm N/A 1.250 in31.80 mm N/A 0.344 in8.70 mm
20300879-AC03 N/A HEYCO® 1.875 Inch (in) Head Diameter Rubber Grommet N/A 1.875 in47.60 mm N/A 1.250 in31.80 mm N/A 0.406 in10.30 mm
20300880-AC03 N/A HEYCO® 2.000 Inch (in) Head Diameter Rubber Grommet N/A 2.000 in50.80 mm N/A 1.250 in31.80 mm N/A 0.625 in15.90 mm
Unit of Measure
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