Snap-In Hole Plugs
Seal unused holes and knockouts in enclosures and outlet boxes.
For technical drawings and 3-D models, click on a part number.
For Knockout | ||||||||
|---|---|---|---|---|---|---|---|---|
| Trade Size | Dia. | Head Dia. | For Max. Panel Thick. | Environment | Material | Pkg. Qty. | Pkg. | |
Hole Plugs | ||||||||
| 1/2 | 7/8" | 1 1/16" | 1/8" | Indoor Only | Steel | 25 | 0000000 | 00000 |
| 3/4 | 1 1/8" | 1 1/4" | 1/8" | Indoor Only | Steel | 25 | 0000000 | 00000 |
| 1 | 1 3/8" | 1 1/2" | 1/8" | Indoor Only | Steel | 25 | 0000000 | 00000 |
| 1 1/4 | 1 3/4" | 1 13/16" | 1/8" | Indoor Only | Steel | 25 | 0000000 | 00000 |
| 1 1/2 | 2" | 2 3/16" | 1/8" | Indoor Only | Steel | 25 | 0000000 | 00000 |
| 2 | 2 1/2" | 2 11/16" | 1/8" | Indoor Only | Steel | 10 | 0000000 | 00000 |
Self-Centering Hole Plugs
A circular groove quickly centers plugs in unused holes and knockouts.
For technical drawings and 3-D models, click on a part number.
For Knockout | |||||||
|---|---|---|---|---|---|---|---|
| Trade Size | Dia. | Head Dia. | For Max. Panel Thick. | Environment | Material | Each | |
| 1/2 | 7/8" | 1 1/8" | 1/16" | Indoor Only | Zinc-Plated Steel | 00000000 | 00000 |
| 3/4 | 1 1/8" | 1 3/8" | 1/16" | Indoor Only | Zinc-Plated Steel | 00000000 | 0000 |
| 1 | 1 3/8" | 1 5/8" | 1/16" | Indoor Only | Zinc-Plated Steel | 00000000 | 0000 |
| 1 1/4 | 1 3/4" | 2 1/16" | 1/16" | Indoor Only | Zinc-Plated Steel | 00000000 | 0000 |
| 1 1/2 | 2" | 2 7/16" | 1/16" | Indoor Only | Zinc-Plated Steel | 00000000 | 0000 |
| 2 | 2 7/16" | 2 15/16" | 1/16" | Indoor Only | Zinc-Plated Steel | 00000000 | 0000 |
| 2 1/2 | 2 15/16" | 3 3/4" | 1/16" | Indoor Only | Zinc-Plated Steel | 00000000 | 0000 |
| 3 | 3 9/16" | 4 1/2" | 1/16" | Indoor Only | Zinc-Plated Steel | 00000000 | 0000 |
| 3 1/2 | 3 3/4" | 5" | 1/16" | Indoor Only | Zinc-Plated Steel | 00000000 | 0000 |
| 4 | 4 5/8" | 5 1/2" | 1/16" | Indoor Only | Zinc-Plated Steel | 00000000 | 00000 |
Threaded Hole Plugs
Close off unused threaded holes in enclosures and outlet boxes.
Hole plugs rated IP54 protect against dust and splashing water.
For technical drawings and 3-D models, click on a part number.
| Pipe Size  | Thread Size | Thread Pitch, mm | Head Dia. | Material | Environmental Rating | Specifications Met | Each | |
NPT | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/2 | __ | __ | 3/4" | Aluminum | __ | CSA Certified, UL Listed, UL 1203, UL 886 | 0000000 | 00000 |
| 3/4 | __ | __ | 1" | Aluminum | __ | CSA Certified, UL Listed, UL 1203, UL 886 | 0000000 | 0000 |
| 1 | __ | __ | 1 1/4" | Aluminum | __ | CSA Certified, UL Listed, UL 1203, UL 886 | 0000000 | 0000 |
| 1 1/2 | __ | __ | 1 3/4" | Aluminum | __ | CSA Certified, UL Listed, UL 1203, UL 886 | 0000000 | 00000 |
| 1 1/4 | __ | __ | 1 1/2" | Aluminum | __ | CSA Certified, UL Listed, UL 1203, UL 886 | 0000000 | 0000 |
| 2 | __ | __ | 2 1/4" | Aluminum | __ | CSA Certified, UL Listed, UL 1203, UL 886 | 0000000 | 00000 |
PG | ||||||||
| __ | PG-7 | __ | 9/16" | Nickel-Plated Brass | IP54 | CSA Certified, UL Listed | 0000000 | 0000 |
| __ | PG-9 | __ | 11/16" | Nickel-Plated Brass | IP54 | CSA Certified, UL Listed | 0000000 | 0000 |
| __ | PG-11 | __ | 13/16" | Nickel-Plated Brass | IP54 | CSA Certified, UL Listed | 0000000 | 0000 |
| __ | PG-16 | __ | 15/16" | Nickel-Plated Brass | IP54 | CSA Certified, UL Listed | 0000000 | 0000 |
| __ | PG-21 | __ | 1 3/16" | Nickel-Plated Brass | IP54 | CSA Certified, UL Listed | 0000000 | 0000 |
| __ | PG-29 | __ | 1 9/16" | Nickel-Plated Brass | IP54 | CSA Certified, UL Listed | 0000000 | 00000 |
Metric | ||||||||
| __ | M12 | 1.5 | 9/16" | Nickel-Plated Brass | IP54 | CSA Certified, UL Listed | 0000000 | 0000 |
| __ | M16 | 1.5 | 11/16" | Nickel-Plated Brass | IP54 | CSA Certified, UL Listed | 0000000 | 0000 |
| __ | M20 | 1.5 | 7/8" | Nickel-Plated Brass | IP54 | CSA Certified, UL Listed | 0000000 | 0000 |
| __ | M25 | 1.5 | 1 1/8" | Nickel-Plated Brass | IP54 | CSA Certified, UL Listed | 0000000 | 0000 |
Washdown Hole Plugs
Use these plugs in areas subject to high-pressure cleaning. They are rated NEMA 4 and 13 for protection from dirt, washdowns, and oil/coolant spraying. A gasket provides a tight seal in unused knockouts and conduit openings.
For technical drawings and 3-D models, click on a part number.
For Knockout | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Trade Size | Dia. | Head Dia. | For Max. Panel Thick. | Environmental Rating | Material | Specifications Met | Color | Each | |
| 1/2 | 7/8" | 1 3/8" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 000000 |
| 3/4 | 1 1/16" | 1 9/16" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 00000 |
| 1 | 1 3/8" | 1 7/8" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 00000 |
| 1 1/4 | 1 11/16" | 2 3/16" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 00000 |
| 1 1/2 | 2" | 2 1/2" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 00000 |
| 2 | 2 1/2" | 3" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 00000 |
| 2 1/2 | 3" | 3 1/2" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 00000 |
| 3 | 3 5/8" | 4 1/8" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 00000 |
| 4 | 4 5/8" | 5 1/8" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 00000 |
Washdown Hole Plugs for Push-Button Holes
Use these plugs in areas subject to high-pressure cleaning. They are rated NEMA 4 and 13 for protection from dirt, washdowns, and oil/coolant spraying. A gasket provides a tight seal in unused push-button holes.
For technical drawings and 3-D models, click on a part number.
| For Push-Button Hole Size, mm | For Hole Dia. | Head Dia. | For Max. Panel Thick. | Environmental Rating | Material | Specifications Met | Color | Each | |
| 22 | 7/8" | 1 1/4" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 000000 |
| 30 | 1 1/4" | 1 3/4" | 0.31" | IP66, NEMA 4, NEMA 13 | Powder-Coated Steel | UL Recognized Component, CSA Certified, UL 508A | Gray | 0000000 | 00000 |
Corrosion-Resistant Washdown Hole Plugs
A step above standard washdown hole plugs, these plugs are best suited for environments subject to high-pressure cleaning and corrosive liquids. They are rated NEMA 4X and 13 for protection from dirt, washdowns, corrosion, and oil/coolant spraying. A gasket provides a tight seal in unused knockouts and conduit openings.
For technical drawings and 3-D models, click on a part number.
For Knockout | ||||||||
|---|---|---|---|---|---|---|---|---|
| Trade Size | Dia. | Head Dia. | For Max. Panel Thick. | Material | Environmental Rating | Specifications Met | Each | |
| 1/2 | 7/8" | 1 3/8" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 000000 |
| 3/4 | 1 1/16" | 1 9/16" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 00000 |
| 1 | 1 3/8" | 1 7/8" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 00000 |
| 1 1/4 | 1 11/16" | 2 3/16" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 00000 |
| 1 1/2 | 2" | 2 1/2" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 00000 |
| 2 | 2 1/2" | 3" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 00000 |
| 2 1/2 | 3" | 3 1/2" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 000000 |
| 3 | 3 5/8" | 4 1/8" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 000000 |
| 4 | 4 5/8" | 5 1/8" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 000000 |
Corrosion-Resistant Washdown Hole Plugs for Push-Button Holes
A step above standard washdown hole plugs, these plugs are best suited for environments subject to high-pressure cleaning and corrosive liquids. They are rated NEMA 4X and 13 for protection from dirt, washdowns, corrosion, and oil/coolant spraying. A gasket provides a tight seal in unused push-button holes.
For technical drawings and 3-D models, click on a part number.
| For Push-Button Hole Size, mm | For Hole Dia. | Head Dia. | For Max. Panel Thick. | Material | Environmental Rating | Specifications Met | Each | |
| 22 | 7/8" | 1 1/4" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 000000 |
| 30 | 1 1/4" | 1 3/4" | 0.31" | Stainless Steel | IP66, NEMA 4X, NEMA 13 | UL Recognized Component, CSA Certified, UL 508A | 0000000 | 00000 |
Sanitary Threaded Hole Plugs
FDA compliant for use near food, these plugs close off unused holes in equipment such as electrical enclosures to keep out debris and water. They have a smooth finish and round edges, leaving no crevices for contaminants to collect in. Made of 316L stainless steel, they won’t corrode from harsh cleaners. A silicone seal blocks out dust and liquid.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Head Diameter, mm | Material | Seal Material | Environmental Rating | Specifications Met | Features | Each | |
Metric | |||||||||
| M10 | 1.5 | 19.7 | 316L Stainless Steel | Silicone Rubber | IP66 | FDA Compliant 21 CFR 177.2600 | Round Edges, Smooth Finish | 00000000 | 00000 |
Metal Snap-In Panel Plugs
Made of steel, these are our most durable plugs for panels. Tapered prongs snap into the hole to securely hold them in place.
Nickel-plated steel caps have excellent resistance to chemicals and salt water.
For technical drawings and 3-D models, click on a part number.
Head | Steel | Nickel-Plated Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For ID | For Panel Thickness | Dia. | Ht. | Overall Ht. | Hardness | Pkg. Qty. | Pkg. | Pkg. Qty. | Pkg. | ||
| 1/8" | 0.047"-0.078" | 5/16" | 1/16" | 15/64" | Rockwell B70 | 50 | 0000000 | 000000 | 50 | 0000000 | 000000 |
| 3/16" | 0.016"-0.062" | 3/8" | 5/64" | 13/64" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 1/4" | 0.031"-0.062" | 7/16" | 1/16" | 15/64" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 9/32" | 0.016"-0.062" | 7/16" | 1/16" | 17/64" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 5/16" | 0.047"-0.078" | 7/16" | 1/16" | 1/4" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 3/8" | 0.031" | 1/2" | 1/16" | 15/64" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 3/8" | 0.047"-0.062" | 1/2" | 1/16" | 15/64" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 00000000 | 00000 |
| 25/64" | 0.062"-0.093" | 1/2" | 1/16" | 15/64" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 7/16" | 0.031"-0.062" | 11/16" | 5/64" | 1/4" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 15/32" | 0.109"-0.172" | 5/8" | 1/16" | 3/8" | Rockwell B70 | 10 | 0000000 | 0000 | 10 | 0000000 | 0000 |
| 1/2" | 0.031"-0.062" | 11/16" | 5/64" | 9/32" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 9/16" | 0.047"-0.093" | 3/4" | 1/16" | 9/32" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 5/8" | 0.062"-0.093" | 13/16" | 5/64" | 19/64" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 11/16" | 0.031"-0.062" | 7/8" | 5/64" | 17/64" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 3/4" | 0.062"-0.093" | 15/16" | 5/64" | 19/64" | Rockwell B70 | 50 | 00000000 | 00000 | 50 | 00000000 | 00000 |
| 3/4" | 0.109"-0.125" | 15/16" | 5/64" | 19/64" | Rockwell B70 | 50 | 0000000 | 00000 | 50 | 0000000 | 00000 |
| 13/16" | 0.047"-0.093" | 1 1/16" | 1/16" | 1/4" | Rockwell B70 | 50 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 7/8" | 0.031"-0.093" | 1 1/16" | 5/64" | 1/4" | Rockwell B70 | 50 | 00000000 | 00000 | 25 | 00000000 | 00000 |
| 7/8" | 0.062"-0.093" | 1 1/16" | 1/16" | 19/64" | Rockwell B70 | 50 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 15/16" | 0.031"-0.078" | 1 13/16" | 1/16" | 9/32" | Rockwell B70 | 25 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 1" | 0.031"-0.093" | 1 1/8" | 3/32" | 21/64" | Rockwell B70 | 25 | 00000000 | 00000 | 25 | 00000000 | 00000 |
| 1" | 0.093"-0.125" | 1 1/8" | 3/32" | 5/16" | Rockwell B70 | 25 | 00000000 | 00000 | 25 | 00000000 | 00000 |
| 1" | 0.125"-0.156" | 1 1/8" | 3/32" | 21/64" | Rockwell B70 | 25 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 1 1/16" | 0.031"-0.125" | 1 5/16" | 3/32" | 19/64" | Rockwell B70 | 25 | 0000000 | 00000 | 25 | 00000000 | 00000 |
| 1 1/8" | 0.031"-0.125" | 1 5/16" | 3/32" | 11/32" | Rockwell B70 | 25 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 1 3/16" | 0.031"-0.093" | 1 7/16" | 5/64" | 19/64" | Rockwell B70 | 25 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 1 1/4" | 0.062"-0.093" | 1 7/16" | 3/32" | 11/32" | Rockwell B70 | 25 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 1 3/8" | 0.031"-0.125" | 1 9/16" | 5/64" | 13/32" | Rockwell B70 | 25 | 00000000 | 00000 | 25 | 00000000 | 00000 |
| 1 3/8" | 0.047"-0.125" | 1 9/16" | 5/64" | 13/32" | Rockwell B70 | 25 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 1 7/16" | 0.125"-0.156" | 1 5/8" | 7/64" | 7/16" | Rockwell B70 | 25 | 00000000 | 00000 | 25 | 00000000 | 00000 |
| 1 1/2" | 0.031"-0.062" | 1 5/8" | 3/32" | 13/32" | Rockwell B70 | 25 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 1 5/8" | 0.031"-0.125" | 1 13/16" | 7/64" | 23/64" | Rockwell B70 | 25 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 1 3/4" | 0.031"-0.093" | 1 15/16" | 3/32" | 11/32" | Rockwell B70 | 25 | 0000000 | 00000 | 25 | 0000000 | 00000 |
| 2" | 0.031"-0.062" | 2 1/4" | 1/8" | 5/16" | Rockwell B70 | 10 | 0000000 | 00000 | 10 | 0000000 | 00000 |
Metal Snap-In Panel Plug Assortments
Keep metal snap-in plugs of various sizes on hand to solve whatever problems arise. Made of steel, these plugs are our most durable plugs for panels. Their tapered prongs snap into holes to securely hold them in place. All are nickel plated for excellent resistance to chemicals and salt water.
| No. of Pieces | Container Type | Includes | Each | |
Nickel-Plated Steel | ||||
|---|---|---|---|---|
| 37 | Plastic Box | Plugs for 3/8” ID (12 ea.), 1/2” ID (10 ea.), 5/8” ID (7 ea.), and 7/8” ID (8 ea.) | 0000000 | 000000 |
| 270 | Metal Box | Plugs for 1/4" ID (50 ea.), 3/8" ID (50 ea.), 1/2" ID (40 ea.), 5/8" ID (35 ea.), 3/4" ID (35 ea.), 7/8" ID (30 ea.), 1" ID (10 ea.), 1 1/4" ID (10 ea.), and 1 1/2" (10 ea.) | 0000000 | 000000 |