Flat Bottom Cup Type Expansion Plugs seal by compression of their tapered walls against the core hole. They are made standard from Carbon Steel and are available in 12 sizes, ranging from 3/8" - 3" in Nominal Diameter.
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Metal Flat Bottom Cup-Type Expansion Plugs

0.032 Inch (in) Metal Flat Bottom Cup-Type Expansion Plug
Metal Flat Bottom Cup-Type Expansion Plugs

0.032 Inch (in) Metal Flat Bottom Cup-Type Expansion Plug
Metal Flat Bottom Cup-Type Expansion Plugs

0.060 Inch (in) Metal Flat Bottom Cup-Type Expansion Plug
Metal Flat Bottom Cup-Type Expansion Plugs

0.032 Inch (in) Metal Flat Bottom Cup-Type Expansion Plug
Metal Flat Bottom Cup-Type Expansion Plugs

0.060 Inch (in) Metal Flat Bottom Cup-Type Expansion Plug
Description N/A Flat Bottom Cup Type Expansion Plugs seal by compression of their tapered walls against the core hole. They are made standard from Carbon Steel and are available in 12 sizes, ranging from 3/8" - 3" in Nominal Diameter.
Type N/A Expansion
Head Type N/A Flat Bottom
Thickness (Decimal) N/A 0.032 in N/A 0.032 in N/A 0.060 in N/A 0.032 in N/A 0.060 in
Height N/A 0.218 in N/A 0.250 in N/A 0.375 in N/A 0.406 in N/A 0.312 in
Maximum Closed End N/A 0.381 in N/A 0.502 in N/A 0.756 in N/A 0.877 in N/A 1.005 in
Minimum Closed End N/A 0.375 in N/A 0.500 in N/A 0.753 in N/A 0.875 in N/A 1.003 in
Height Tolerance (±) N/A 0.020 in
Inside Radius N/A 0.031 in
Maximum Open End N/A 0.386 in N/A 0.511 in N/A 0.763 in N/A 0.880 in N/A 1.011 in
Minimum Open End N/A 0.383 in N/A 0.508 in N/A 0.760 in N/A 0.877 in N/A 1.009 in
Nominal Diameter (Decimal) N/A 0.375 in N/A 0.5 in N/A 0.75 in N/A 0.875 in N/A 1 in
Material N/A Cold Rolled Commercial Quality (CRCQ) Steel N/A Heavy Duty Galvanized Steel N/A Heavy Duty Galvanized Steel N/A Heavy Duty Galvanized Steel N/A Heavy Duty Galvanized Steel
Finish N/A Zinc Trivalent Chromate N/A G90 Galvanized N/A G90 Galvanized N/A G90 Galvanized N/A G90 Galvanized
Features and Benefits N/A For insertion, they should be driven from the RIM and not on the bottom. The driving arbor should be 0.015/0.025" smaller than the ID of the plug, with a contact radius of 0.062" and should not touch the bottom of the plug. Plugs Taper Down 0.002" / 0.005" From Open End
Note N/A Brass, Aluminum and Galvanized Steel are also available. Please contact EFC International directly for information.
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