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Lee Co. (The) Datasheets for Plugs, Stoppers, and Inserts

Plugs, stoppers and inserts fit into holes or cavities and are designed for the ends of shafts, tubes, pipes, fittings, connectors, screws, bars, or other shapes.
Plugs, Stoppers, and Inserts: Learn more

Product Name Notes
The .093 inch 2024 aluminum Quick Installation Plug is our smallest QIP. As a pre-assembled plug set, it combines ease of handling and installation with the proven reliability and performance...
The .093 inch aluminum expansion plug is our smallest inch size plug and part of our classic Lee Plug® family. It is ideal for installation into aluminum. When traditional manufacturing...
The .093 inch high strength expansion plug is constructed of 15-5PH CRES and designed to seal passageways in high strength, high hardness materials such as Titanium and Inconel. Its high...
The .093 inch MP35N expansion plug is our smallest plug and part of our classic Lee Plug® family. MP35N is a NACE compliant nickel-colbalt alloy that provides excellent corrosion resistance...
The .093 inch R405 Monel expansion plug is our smallest inch size plug and part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion...
The .093 inch stainless steel expansion plug is our smallest inch size plug and part of our classic Lee Plug® family. It is ideal for installation into stainless steel. When...
The .125 inch 2024 aluminum Quick Installation Plug is a pre-assembled plug set that combines ease of handling and installation with the proven reliability and performance of Lee Plug expansion...
The .125 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .125 inch high strength expansion plug is constructed of 15-5PH CRES and designed to seal passageways in high strength, high hardness materials such as Titanium and Inconel. Its high...
The .125 inch MP35N expansion plug is part of our classic Lee Plug® family. MP35N is a NACE compliant nickel-colbalt alloy that provides excellent corrosion resistance for harsh duty applications...
The .125 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .125 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .156 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .156 inch 2024 aluminum Quick Installation Plug is a pre-assembled plug set that combines ease of handling and installation with the proven reliability and performance of Lee Plug expansion...
The .156 inch aluminum expansion plug is part of our classic Lee Plug® family and is our most popular size. It is ideal for installation into aluminum. When traditional manufacturing...
The .156 inch high strength expansion plug is constructed of 15-5PH CRES and designed to seal passageways in high strength, high hardness materials such as Titanium and Inconel. Its high...
The .156 inch MP35N expansion plug is part of our classic Lee Plug® family. MP35N is a NACE compliant nickel-colbalt alloy that provides excellent corrosion resistance for harsh duty applications...
The .156 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .156 inch stainless steel expansion plug is part of our classic Lee Plug® family and is our most popular size. It is ideal for installation into stainless steel. When...
The .187 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .187 inch 2024 aluminum Quick Installation Plug is a pre-assembled plug set that combines ease of handling and installation with the proven reliability and performance of Lee Plug expansion...
The .187 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .187 inch high strength expansion plug is constructed of 15-5PH CRES and designed to seal passageways in high strength, high hardness materials such as Titanium and Inconel. Its high...
The .187 inch MP35N expansion plug is part of our classic Lee Plug® family. MP35N is a NACE compliant nickel-colbalt alloy that provides excellent corrosion resistance for harsh duty applications...
The .187 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .187 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .190 Stainless Steel A.F.O.® Plug is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a metal...
The .190-32 MP35N A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. Constructed entirely of MP35N nickel-colbalt alloy,...
The .218 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .218 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .218 inch high strength expansion plug is constructed of 15-5PH CRES and designed to seal passageways in high strength, high hardness materials such as Titanium and Inconel. Its high...
The .218 inch MP35N expansion plug is part of our classic Lee Plug® family. MP35N is a NACE compliant nickel-colbalt alloy that provides excellent corrosion resistance for harsh duty applications...
The .218 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .218 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .250 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .250 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .250 inch high strength expansion plug is constructed of 15-5PH CRES and designed to seal passageways in high strength, high hardness materials such as Titanium and Inconel. Its high...
The .250 inch MP35N expansion plug is part of our classic Lee Plug® family. MP35N is a NACE compliant nickel-colbalt alloy that provides excellent corrosion resistance for harsh duty applications...
The .250 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .250 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .250 Stainless Steel A.F.O.® Plug is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a metal...
The .250-28 MP35N A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. Constructed entirely of MP35N nickel-colbalt alloy,...
The .281 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .281 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .281 inch high strength expansion plug is constructed of 15-5PH CRES and designed to seal passageways in high strength, high hardness materials such as Titanium and Inconel. Its high...
The .281 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .281 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .312 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .312 inch high strength expansion plug is constructed of 15-5PH CRES and designed to seal passageways in high strength, high hardness materials such as Titanium and Inconel. Its high...
The .312 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .312 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .312 Stainless Steel A.F.O.® Plug is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a metal...
The .312-24 high pressure dual sealing A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a...
The .312-24 MP35N A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. Constructed entirely of MP35N nickel-colbalt alloy,...
The .343 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .343 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .343 inch high strength expansion plug is constructed of 15-5PH CRES and designed to seal passageways in high strength, high hardness materials such as Titanium and Inconel. Its high...
The .343 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .343 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .375-24 high pressure dual sealing A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a...
The .375-24 MP35N A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. Constructed entirely of MP35N nickel-colbalt alloy,...
The .375-24 stainless steel A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a metal to...
The .406 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .406 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .406 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .406 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .468 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .468 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .468 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .468 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .500 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .500-20 high pressure dual sealing A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a...
The .500-20 MP35N A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. Constructed entirely of MP35N nickel-colbalt alloy,...
The .500-20 MP35N dual sealing A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. Machined from NACE compliant...
The .500-20 stainless steel A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a metal to...
The .500-20 stainless steel dual sealing A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a...
The .531 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .531 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .531 inch R405 Monel expansion plug is part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance in a variety of applications,...
The .531 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .625 Stainless Steel A.F.O.® Plug is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a metal...
The .625-18 MP35N A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. Constructed entirely of MP35N nickel-colbalt alloy,...
The .656 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .656 inch aluminum expansion plug is part of our classic Lee Plug® family and is ideal for installation into aluminum. When traditional manufacturing requires the use of cross-drilled holes,...
The .656 inch R405 Monel expansion plug is our largest expansion plug and part of our classic Lee Plug® family. Monel is a nickel alloy that provides good corrosion resistance...
The .656 inch stainless steel expansion plug is part of our classic Lee Plug® family and is ideal for installation into stainless steel. When traditional manufacturing requires the use of...
The .750 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The .750-16 MP35N A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. Constructed entirely of MP35N nickel-colbalt alloy,...
The .750-16 MP35N dual sealing A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. Machined from NACE compliant...
The .750-16 stainless steel A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a metal to...
The .750-16 stainless steel dual sealing A.F.O. is a thread retained plug designed to apply Axial Force Only on the installation hole, allowing for minimal wall thickness. It utilizes a...
The .875 2024 aluminum R.F.O. plug is designed to apply Radial Force Only on an installation hole. It has the capability of sealing openings in thin shells as well as...
The 11mm Short Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings and plastic housings leak-tight, without the use of...
The 13mm Short Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings and plastic housings leak-tight, without the use of...
The 16mm Short Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings and plastic housings leak-tight, without the use of...
The 18mm Short Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings and plastic housings leak-tight, without the use of...
The 2,50 mm 2024 aluminum expansion plug is our smallest metric size plug and part of our classic Lee Plug® family. It is ideal for installation into aluminum and where...
The 2,50 mm 416 CRES stainless steel expansion plug is our smallest metric size plug and part of our classic Lee Plug® family. It is ideal for installation into stainless...
The 20mm Short Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings and plastic housings leak-tight, without the use of...
The 3,00 mm 2024 aluminum expansion plug is part of our classic Lee Plug® family. It is ideal for installation into aluminum and where metric units are used. When traditional...
The 3,00 mm stainless steel expansion plug is part of our classic Lee Plug® family. It is ideal for installation into stainless steel and where metric units are used. When...
The 3,50 mm 2024 aluminum expansion plug is part of our classic Lee Plug® family. It is ideal for installation into aluminum and where metric units are used. When traditional...
The 3,50 mm stainless steel expansion plug is part of our classic Lee Plug® family. It is ideal for installation into stainless steel and where metric units are used. When...
The 4,00 mm 2024 aluminum expansion plug is part of our classic Lee Plug® family. It is ideal for installation into aluminum and where metric units are used. When traditional...
The 4,00 mm stainless steel expansion plug is part of our classic Lee Plug® family. It is ideal for installation into stainless steel and where metric units are used. When...
The 4,50 mm 2024 aluminum expansion plug is part of our classic Lee Plug® family. It is ideal for installation into aluminum and where metric units are used. When traditional...
The 4,50 mm 416 CRES stainless steel expansion plug is part of our classic Lee Plug® family. It is ideal for installation into stainless steel and where metric units are...
The 4mm 6000 Series Lee Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings leak-tight, without the use of threads...
The 5,00 mm 2024 aluminum expansion plug is part of our classic Lee Plug® family. It is ideal for installation into aluminum and where metric units are used. When traditional...
The 5,00 mm stainless steel expansion plug is part of our classic Lee Plug® family. It is ideal for installation into stainless steel and where metric units are used. When...
The 5,50 mm 2024 aluminum expansion plug is part of our classic Lee Plug® family. It is ideal for installation into aluminum and where metric units are used. When traditional...
The 5,50 mm stainless steel expansion plug is part of our classic Lee Plug® family. It is ideal for installation into stainless steel and where metric units are used. When...
The 5mm 6000 Series Lee Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings leak-tight, without the use of threads...
The 5mm Short Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings and plastic housings leak-tight, without the use of...
The 6,00 mm 2024 aluminum expansion plug is part of our classic Lee Plug® family. It is ideal for installation into aluminum and where metric units are used. When traditional...
The 6,00 mm stainless steel expansion plug is part of our classic Lee Plug® family. It is ideal for installation into stainless steel and where metric units are used. When...
The 6,50 mm 2024 aluminum expansion plug is part of our classic Lee Plug® family. It is ideal for installation into aluminum and where metric units are used. When traditional...
The 6,50 mm 416 CRES stainless steel expansion plug is part of our classic Lee Plug® family. It is ideal for installation into stainless steel and where metric units are...
The 6mm 6000 Series Lee Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings leak-tight, without the use of threads...
The 6mm Short Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings and plastic housings leak-tight, without the use of...
The 7,00 mm 2024 aluminum expansion plug is part of our classic Lee Plug® family. It is ideal for installation into aluminum and where metric units are used. When traditional...
The 7,00 mm 416 CRES stainless steel expansion plug is part of our classic Lee Plug® family. It is ideal for installation into stainless steel and where metric units are...
The 7,50 mm 2024 aluminum expansion plug is part of our classic Lee Plug® family. It is ideal for installation into aluminum and where metric units are used. When traditional...
The 7,50 mm stainless steel expansion plug is part of our classic Lee Plug® family. It is ideal for installation into stainless steel and where metric units are used. When...
The 7mm 6000 Series Lee Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings leak-tight, without the use of threads...
The 7mm Short Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings and plastic housings leak-tight, without the use of...
The 8,00 mm 2024 aluminum expansion plug is our largest metric size plug and part of our classic Lee Plug® family. It is ideal for installation into aluminum and where...
The 8,00 mm stainless steel expansion plug is our largest metric size plug and part of our classic Lee Plug® family. It is ideal for installation into stainless steel and...
The 8mm 6000 Series Lee Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings leak-tight, without the use of threads...
The 9mm Short Betaplug® Expansion Plug is a pre-assembled, one-piece, tapered expansion plug specifically engineered to seal fluid passages in metal castings and plastic housings leak-tight, without the use of...