HEYCO® Standard 85 Durometer Liquid Tight Hole Plugs are oil tight, rain tight and submersible. They are available in 7 trade sizes to fit 1/2" to 1.375" mounting holes.
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Item #

Item Name

Mounting Hole Diameter

Maximum Panel Size

Head Outside Diameter

70004282 N/A HEYCO® 0.421 Inch (in) Head Thickness Standard 85 Durometer Liquid Tight Hole Plug N/A 1.375 in34.90 mm N/A 0.125 in3.20 mm N/A 1.796 in45.60 mm
20300005-AJ3I N/A HEYCO® 0.390 Inch (in) Head Thickness Standard 85 Durometer Liquid Tight Hole Plug N/A 1.093 in27.80 mm N/A 0.125 in3.20 mm N/A 1.531 in38.90 mm
20812001-A030I N/A HEYCO® 0.359 Inch (in) Head Thickness Standard 85 Durometer Liquid Tight Hole Plug N/A 0.875 in22.20 mm N/A 0.125 in3.20 mm N/A 1.281 in32.50 mm
E2000460004 N/A HEYCO® 0.290 Inch (in) Head Thickness Standard 85 Durometer Liquid Tight Hole Plug N/A 0.500 in12.70 mm N/A 0.125 in3.20 mm N/A 0.920 in23.40 mm
E2000460005 N/A HEYCO® 0.310 Inch (in) Head Thickness Standard 85 Durometer Liquid Tight Hole Plug N/A 0.625 in15.90 mm N/A 0.125 in3.20 mm N/A 1.030 in26.20 mm
E2000460006 N/A HEYCO® 0.350 Inch (in) Head Thickness Standard 85 Durometer Liquid Tight Hole Plug N/A 0.750 in19.10 mm N/A 0.125 in3.20 mm N/A 1.150 in29.20 mm
E2000460007 N/A HEYCO® 0.400 Inch (in) Head Thickness Standard 85 Durometer Liquid Tight Hole Plug N/A 1.000 in25.40 mm N/A 0.125 in3.20 mm N/A 1.410 in35.80 mm
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