For OD For OD |
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For ID For ID |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Finish Finish |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Head Diameter Head Diameter |
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For Panel Thickness For Panel Thickness |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Hardness Hardness |
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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 | 0000 |
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 | 0000 |
15/16" | 0.031"-0.078" | 1 13/16" | 1/16" | 9/32" | Rockwell B70 | 25 | 0000000 | 0000 | 25 | 0000000 | 00000 |
1" | 0.031"-0.093" | 1 1/8" | 3/32" | 21/64" | Rockwell B70 | 25 | 00000000 | 0000 | 25 | 00000000 | 00000 |
1" | 0.093"-0.125" | 1 1/8" | 3/32" | 5/16" | Rockwell B70 | 25 | 00000000 | 0000 | 25 | 00000000 | 00000 |
1" | 0.125"-0.156" | 1 1/8" | 3/32" | 21/64" | Rockwell B70 | 25 | 0000000 | 0000 | 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 | 0000 | 10 | 0000000 | 0000 |
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 | ||||
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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 |
Fixture Plate Chip Plugs


Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines. Easy to install and remove, these plugs can be reused in different holes when you need to change setups. Made of steel, they have a black-oxide finish for rust resistance.
For technical drawings and 3-D models, click on a part number.
Drive Style | Thread Size | Ht. | Each | |
Black-Oxide Steel | ||||
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Slotted | 1/2"-13 | 1/2" | 0000000 | 00000 |
Metal Square Plugs

More durable than plastic plugs, these provide the most protection from abrasion and impact. Use them to eliminate sharp edges and create a finished look on metal fence and machine-guard posts. Drive them in place with a hammer for a secure fit.
For technical drawings and 3-D models, click on a part number.
For Inside | Head | ||||||
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Lg. | Wd. | For Wall Thick. | Ht. | Lg. | Wd. | Each | |
Steel | |||||||
0.76" | 0.76" | 0.12" | 1/2" | 1" | 1" | 0000000 | 00000 |
0.85" | 0.85" | 0.07" | 3/4" | 1" | 1" | 0000000 | 0000 |
1.02" | 1.02" | 0.12" | 5/8" | 1 1/4" | 1 1/4" | 0000000 | 00000 |
1.1" | 1.1" | 0.07" | 3/4" | 1 1/4" | 1 1/4" | 0000000 | 0000 |
1.26" | 1.26" | 0.12" | 13/16" | 1 1/2" | 1 1/2" | 0000000 | 0000 |
1.38" | 1.38" | 0.07" | 13/16" | 1 1/2" | 1 1/2" | 0000000 | 0000 |
1.64" | 1.64" | 0.19" | 3/4" | 2" | 2" | 0000000 | 00000 |
1.76" | 1.76" | 0.12" | 3/4" | 2" | 2" | 0000000 | 0000 |
1.85" | 1.85" | 0.07" | 7/8" | 2" | 2" | 0000000 | 0000 |
Galvanized Steel | |||||||
1.27" | 1.27" | 0.12" | 13/16" | 1 1/2" | 1 1/2" | 0000000 | 00000 |
Expansion Plugs for Castings

Also known as freeze plugs, these are commonly used to permanently seal the shallow holes left in a component during the casting process.
For technical drawings and 3-D models, click on a part number.
For ID | Dia. | Ht. | Hardness | Pkg. Qty. | Pkg. | |
Steel | ||||||
---|---|---|---|---|---|---|
1/8" | 0.127" | 0.036" | Rockwell B30 | 10 | 00000000 | 000000 |
1/4" | 0.252" | 0.069" | Rockwell B30 | 10 | 00000000 | 00000 |
3/8" | 0.377" | 0.106" | Rockwell B30 | 10 | 00000000 | 00000 |
1/2" | 0.502" | 0.123" | Rockwell B30 | 10 | 00000000 | 00000 |
5/8" | 0.628" | 0.098" | Rockwell B30 | 10 | 00000000 | 0000 |
3/4" | 0.753" | 0.138" | Rockwell B30 | 10 | 00000000 | 00000 |
7/8" | 0.878" | 0.174" | Rockwell B30 | 10 | 00000000 | 00000 |
1" | 1.003" | 0.2" | Rockwell B30 | 10 | 00000000 | 00000 |
1 1/8" | 1.128" | 0.203" | Rockwell B30 | 5 | 00000000 | 00000 |
1 1/4" | 1.253" | 0.208" | Rockwell B30 | 5 | 00000000 | 00000 |
1 3/8" | 1.38" | 0.218" | Rockwell B30 | 5 | 00000000 | 00000 |
1 1/2" | 1.505" | 0.177" | Rockwell B30 | 5 | 00000000 | 00000 |
1 5/8" | 1.63" | 0.226" | Rockwell B30 | 5 | 00000000 | 00000 |
1 3/4" | 1.755" | 0.229" | Rockwell B30 | 5 | 00000000 | 00000 |
1 7/8" | 1.88" | 0.24" | Rockwell B30 | 5 | 00000000 | 00000 |
2" | 2.005" | 0.244" | Rockwell B30 | 5 | 00000000 | 00000 |
2 1/4" | 2.255" | 0.265" | Rockwell B30 | 3 | 00000000 | 00000 |
2 1/2" | 2.505" | 0.275" | Rockwell B30 | 3 | 00000000 | 00000 |
2 3/4" | 2.755" | 0.298" | Rockwell B30 | 3 | 00000000 | 00000 |
3" | 3.005" | 0.313" | Rockwell B30 | 3 | 00000000 | 00000 |
Metal Round Caps

More durable than plastic caps, these provide the most protection from abrasion and impact.
Steel caps are stronger than aluminum.
For technical drawings and 3-D models, click on a part number.
Steel | ||||
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For OD | For Pipe Size | Inside Ht. | Each | |
Caps | ||||
1" | __ | 23/32" | 00000000 | 00000 |
1 1/4" | __ | 3/4" | 00000000 | 0000 |
1 1/2" | __ | 21/32" | 00000000 | 0000 |
2" | __ | 1 7/32" | 00000000 | 0000 |
2 1/4" | __ | 1 1/16" | 00000000 | 0000 |
2 1/2" | __ | 1 5/16" | 00000000 | 0000 |
2 3/4" | __ | 1 3/8" | 00000000 | 0000 |
3" | __ | 1 1/8" | 00000000 | 0000 |
Caps for Unthreaded Pipe | ||||
35/64" | 1/4 | 7/16" | 00000000 | 0000 |
43/64" | 3/8 | 9/16" | 00000000 | 0000 |
27/32" | 1/2 | 7/16" | 00000000 | 0000 |
1 3/64" | 3/4 | 5/8" | 00000000 | 0000 |
1 5/16" | 1 | 11/16" | 00000000 | 0000 |
1 21/32" | 1 1/4 | 13/16" | 00000000 | 0000 |
1 29/32" | 1 1/2 | 15/16" | 0000000 | 0000 |
2 3/8" | 2 | 1 1/16" | 0000000 | 0000 |
2 7/8" | 2 1/2 | 1 3/8" | 0000000 | 0000 |
3 1/2" | 3 | 1 3/8" | 0000000 | 0000 |
4" | 3 1/2 | 1 1/2" | 0000000 | 0000 |
4 1/2" | 4 | 1 7/8" | 0000000 | 0000 |
5 9/16" | 5 | 1 7/8" | 00000000 | 00000 |
6 5/8" | 6 | 1 7/8" | 0000000 | 00000 |
Stacking Caps and Targets
![]() | ![]() Stacking Cap |
![]() Target |
Weld these caps and targets to the ends of posts to create stackable shelving and racking systems. The stacking caps fit into the targets and provide the stability you need for stacking structures on top of one another. They can also be used to replace damaged caps and targets in existing systems.
For technical drawings and 3-D models, click on a part number.
For Post | Target Mounting | Overall | ||||||
---|---|---|---|---|---|---|---|---|
Wd. | Dp. | Wd. | Dp. | Wd. | Dp. | Ht. | Each | |
Steel | ||||||||
Stacking Cap | ||||||||
1 1/2" | 1 1/2" | __ | __ | __ | __ | 1 1/2" | 0000000 | 00000 |
1 3/4" | 1 3/4" | __ | __ | __ | __ | 2" | 0000000 | 0000 |
2" | 2" | __ | __ | __ | __ | 1 7/8" | 0000000 | 0000 |
2 1/2" | 2 1/2" | __ | __ | __ | __ | 2" | 0000000 | 0000 |
Target | ||||||||
1 1/2", 2" | 1 1/2", 2" | 1 1/2" | 1 1/4" | 4" | 4" | 1 7/16" | 0000000 | 0000 |
2 1/2" | 2 1/2" | 1 1/2" | 1 1/2" | 5" | 5" | 1 5/8" | 0000000 | 0000 |
Threaded Standoff Caps

Give open-ended standoffs a finished look and protect them from dirt and debris.
Steel caps are stronger than aluminum.
For technical drawings and 3-D models, click on a part number.