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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HEYCO® Short Nylon Dome Hole Plugs have limited protrusion (1/8" or 3.20 mm) inside panels.
HEYCO® Short Nylon Dome Type Hole Plugs
Unit of Measure
1 2 

Item #

Item Name

Mounting Hole Diameter

Overall Height

Head Outside Diameter

Sort by
20300009-A010 N/A HEYCO® 0.500 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.500 in12.70 mm N/A 0.250 in6.40 mm N/A 0.563 in14.30 mm
20300009-A03I N/A HEYCO® 0.500 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 0.500 in12.70 mm N/A 0.250 in6.40 mm N/A 0.563 in14.30 mm
20300023-A010 N/A HEYCO® 0.781 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.781 in19.80 mm N/A 0.250 in6.40 mm N/A 0.890 in22.60 mm
20300023-A03I N/A HEYCO® 0.781 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 0.781 in19.80 mm N/A 0.250 in6.40 mm N/A 0.890 in22.60 mm
20300150-A01I N/A HEYCO® 0.406 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.406 in10.30 mm N/A 0.250 in6.40 mm N/A 0.468 in11.90 mm
20300206-A010 N/A HEYCO® 1.000 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 1.000 in25.40 mm N/A 0.250 in6.40 mm N/A 1.200 in30.50 mm
20300206-A030 N/A HEYCO® 1.000 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 1.000 in25.40 mm N/A 0.250 in6.40 mm N/A 1.200 in30.50 mm
20301107-A01 N/A HEYCO® 1.219 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 1.219 in27.80 mm N/A 0.250 in6.40 mm N/A 1.219 in31.00 mm
20301107-A03 N/A HEYCO® 1.219 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 1.219 in27.80 mm N/A 0.250 in6.40 mm N/A 1.219 in31.00 mm
20611013-A010 N/A HEYCO® 0.750 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.750 in19.00 mm N/A 0.250 in6.40 mm N/A 0.843 in21.40 mm
20611013-A030I N/A HEYCO® 0.750 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 0.750 in19.00 mm N/A 0.250 in6.40 mm N/A 0.843 in21.40 mm
20615059-A010 N/A HEYCO® 0.531 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.531 in13.50 mm N/A 0.250 in6.40 mm N/A 0.593 in15.10 mm
20615059-A030I N/A HEYCO® 0.531 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 0.531 in13.50 mm N/A 0.250 in6.40 mm N/A 0.593 in15.10 mm
20711001-A010 N/A HEYCO® 0.218 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.218 in5.50 mm N/A 0.250 in6.40 mm N/A 0.281 in7.1 mm
20711001-A030I N/A HEYCO® 0.218 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 0.218 in5.50 mm N/A 0.250 in6.40 mm N/A 0.281 in7.1 mm
20711002-A010 N/A HEYCO® 0.281 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.281 in7.10 mm N/A 0.250 in6.40 mm N/A 0.343 in8.70 mm
20711002-A030I N/A HEYCO® 0.281 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 0.281 in7.10 mm N/A 0.250 in6.40 mm N/A 0.343 in8.70 mm
20711003-A010 N/A HEYCO® 0.312 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.312 in7.90 mm N/A 0.250 in6.40 mm N/A 0.375 in9.50 mm
20711003-A030I N/A HEYCO® 0.312 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 0.312 in7.90 mm N/A 0.250 in6.40 mm N/A 0.375 in9.50 mm
20711004-A030I N/A HEYCO® 0.343 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 0.343 in8.70 mm N/A 0.250 in6.40 mm N/A 0.406 in10.30 mm
20711005-A010I N/A HEYCO® 0.343 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.343 in8.70 mm N/A 0.250 in6.40 mm N/A 0.406 in10.30 mm
20711005-A01I N/A HEYCO® 0.375 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.375 in9.50 mm N/A 0.250 in6.40 mm N/A 0.468 in11.90 mm
20711005-A030I N/A HEYCO® 0.375 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 0.375 in9.50 mm N/A 0.250 in6.40 mm N/A 0.468 in11.90 mm
20711006-A030I N/A HEYCO® 0.406 Inch (in) Mounting Hole Diameter Black Short Nylon Dome Type Hole Plug N/A 0.406 in10.30 mm N/A 0.250 in6.40 mm N/A 0.468 in11.90 mm
20711007-A010 N/A HEYCO® 0.437 Inch (in) Mounting Hole Diameter White Short Nylon Dome Type Hole Plug N/A 0.437 in11.10 mm N/A 0.250 in6.40 mm N/A 0.531 in13.50 mm
Unit of Measure
1 2