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® Standard Nylon Dome Type Hole Plugsclose unneeded chassis holes. Their convex matte finish head tapers to a thin edge. They are available in 29 sizes for use in 3/16" - 6" (4.70mm - 152.40mm) diameter holes.
HEYCO® Standard Nylon Dome Type Hole Plugs
Unit of Measure
1 2 3 

Item #

Item Name

Overall Height

Maximum Mounting Hole Size

Head Outside Diameter

20615045-A010I N/A HEYCO® 85.70 Millimeter (mm) Maximum Mounting Hole Diameter White Standard Nylon Dome Type Hole Plug N/A 7.50 in19.10 mm N/A 3.375 in85.70 mm N/A 3.656 in92.90 mm
20615045-A030I N/A HEYCO® 85.70 Millimeter (mm) Maximum Mounting Hole Diameter Black Standard Nylon Dome Type Hole Plug N/A 7.50 in19.10 mm N/A 3.375 in85.70 mm N/A 3.656 in92.90 mm
20615046-A010I N/A HEYCO® 88.90 Millimeter (mm) Maximum Mounting Hole Diameter White Standard Nylon Dome Type Hole Plug N/A 7.50 in19.10 mm N/A 3.500 in88.90 mm N/A 3.656 in92.90 mm
20615046-A030I N/A HEYCO® 88.90 Millimeter (mm) Maximum Mounting Hole Diameter Black Standard Nylon Dome Type Hole Plug N/A 7.50 in19.10 mm N/A 3.500 in88.90 mm N/A 3.656 in92.90 mm
20615051-A010I N/A HEYCO® 54.00 Millimeter (mm) Maximum Mounting Hole Diameter White Standard Nylon Dome Type Hole Plug N/A 0.760 in19.30 mm N/A 2.125 in54.00 mm N/A 2.343 in59.90 mm
20615051-A030I N/A HEYCO® 54.00 Millimeter (mm) Maximum Mounting Hole Diameter Black Standard Nylon Dome Type Hole Plug N/A 0.760 in19.30 mm N/A 2.125 in54.00 mm N/A 2.343 in59.90 mm
20615052-A010I N/A HEYCO® 57.20 Millimeter (mm) Maximum Mounting Hole Diameter White Standard Nylon Dome Type Hole Plug N/A 7.50 in19.10 mm N/A 2.250 in57.20 mm N/A 2.479 in63.00 mm
20615052-A030I N/A HEYCO® 57.20 Millimeter (mm) Maximum Mounting Hole Diameter Black Standard Nylon Dome Type Hole Plug N/A 7.50 in19.10 mm N/A 2.250 in57.20 mm N/A 2.479 in63.00 mm
20652016-A010I N/A HEYCO® 101.60 Millimeter (mm) Maximum Mounting Hole Diameter White Standard Nylon Dome Type Hole Plug N/A 7.50 in19.10 mm N/A 4.000 in101.60 mm N/A 4.156 in105.60 mm
20652016-A030I N/A HEYCO® 101.60 Millimeter (mm) Maximum Mounting Hole Diameter Black Standard Nylon Dome Type Hole Plug N/A 7.50 in19.10 mm N/A 4.000 in101.60 mm N/A 4.156 in105.60 mm
Unit of Measure
1 2 3