Plugs for Square Tubes
SQ
Plastic Stopper for Square Tubing
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SQ–Product Media
- Material: LDPE (Low Density Polyethylene)
- Stocked Material: LDPE (Black)
- Multiple Ribs for a Secure Fit
- Heavy End Walls for Durability and Abrasion Resistance
Available in the following varieties:
Square Tubing Plugs with Flat Top
Square Tubing Plugs with Domed Top
Square Tubing Plugs with Pyramidal Top
Square Tubing Plugs with Angled Top
Size Chart Square Tubing Plug Inserts for table legs
SQ Size Chart
| Part # | Description | Imperial or Metric |
External Tube Size mm in |
Tube Wall | Length mm in |
Box/Mini/Micro QTY |
 Flat |
 Dome |
 Pyramid |
 Angle |
See Prices / Buy Online |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SQ10MB | Plugs for Square Tubes - SQUARE TUBING PLUG FOR 10MM TUBES LDPE | Metric | 10.0 0.394 |
1.5 - 2mm | 11.0 0.433 |
6000 1200 120 |  | ||||
| SQ12MB | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUG FOR 12MM TUBES LDPE | Metric | 12.0 0.472 |
1.5 - 2mm | 11.0 0.433 |
6000 1200 120 | |  | |||
| SQ.5B | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 0.500" (1/2") TUBES LDPE | Imperial | 12.7 0.500 |
.049-.065" (1.2-1.7mm) | 11.9 0.470 |
6000 1200 120 | | ||||
| SQ15MB | Plastic caps for steel tube - SQUARE TUBING PLUG FOR 15MM TUBES LDPE | Metric | 15.0 0.591 |
1.5 - 2mm | 11.0 0.433 |
5000 1000 100 | | | |||
| SQ.625C | Plastic Stopper for Square Tubing - SQUARE TUBING PLUGS FOR 0.625" (5/8") TUBES LDPE | Imperial | 15.9 0.625 |
.035-.083" (0.9-2.1mm) | 11.9 0.470 |
4000 800 80 | | | |||
| SQ16MA | Plugs for Square Tubes - SQUARE TUBING PLUG FOR 16MM TUBES LDPE | Metric | 16.0 0.630 |
1 - 2mm | 11.9 0.470 |
4000 800 80 | | | |||
| SQ18MB | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUG FOR 18MM TUBES LDPE | Metric | 18.0 0.709 |
1.5 - 2mm | 11.0 0.433 |
3500 700 70 | | | 10° |
||
| SQ.75D | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 0.750" (3/4") TUBES LDPE | Imperial | 19.1 0.750 |
.083-.134" (2.1-3.4mm) | 10.9 0.430 |
2500 500 50 | | ||||
| SQ.75C | Plastic caps for steel tube - SQUARE TUBING PLUGS FOR 0.750" (3/4") TUBES LDPE | Imperial | 19.1 0.750 |
.035-.083" (0.9-2.1mm) | 11.3 0.445 |
2500 500 50 | |  | | 5°
25° |
|
| SQ20MB | Plugs for Square Tubes - SQUARE TUBING PLUG FOR 20MM TUBES LDPE | Metric | 20.0 0.787 |
1.5 - 2mm | 11.0 0.433 |
3500 700 70 | | | | 10°
25° |
|
| SQ22MA | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUG FOR 22MM TUBES LDPE | Metric | 22.0 0.866 |
1 - 2mm | 11.3 0.445 |
3500 700 70 | | ||||
| SQ.875C | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 0.875" (7/8") TUBES LDPE | Imperial | 22.2 0.875 |
.035-.083" (0.9-2.1mm) | 11.3 0.445 |
3500 700 70 | | | | 25° |
|
| SQ25MA | Plastic caps for steel tube - SQUARE TUBING PLUG FOR 25MM TUBES LDPE | Metric | 25.0 0.984 |
1 - 2mm | 11.3 0.444 |
3000 600 60 | | | 15° |
||
| SQ25MF | Plastic Stopper for Square Tubing - SQUARE TUBING PLUG FOR 25MM TUBES LDPE | Metric | 25.0 0.984 |
2 - 3mm | 11.3 0.444 |
3000 600 60 | | ||||
| SQ1C | Plugs for Square Tubes - SQUARE TUBING PLUGS FOR 1.000" (1") TUBES LDPE | Imperial | 25.4 1.000 |
.035-.083" (0.9-2.1mm) | 11.3 0.444 |
3000 600 60 | | | | 15° |
|
| SQ1D | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUGS FOR 1.000" (1") TUBES LDPE | Imperial | 25.4 1.000 |
.083-.134" (2.1-3.4mm) | 11.3 0.444 |
3000 600 60 | | ||||
| SQ1.125C | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 1.125" (1-1/8") TUBES LDPE | Imperial | 28.6 1.125 |
.035-.083" (0.9-2.1mm) | 11.3 0.445 |
1700 340 34 | | ||||
| SQ30MB | Plastic caps for steel tube - SQUARE TUBING PLUG FOR 30MM TUBES LDPE | Metric | 30.0 1.181 |
1.5 - 2mm | 14.0 0.551 |
2000 400 40 | | | |||
| SQ30MC | Plugs for Square Tubes - SQUARE TUBING PLUG FOR 30MM TUBES LDPE | Metric | 30.0 1.181 |
3mm | 14.0 0.551 |
2000 400 40 | | ||||
| SQ1.25C | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUGS FOR 1.250" (1-1/4") TUBES LDPE | Imperial | 31.8 1.250 |
.035-.083" (0.9-2.1mm) | 11.3 0.445 |
1700 340 34 | | | | ||
| SQ1.25D | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 1.250" (1-1/4") TUBES LDPE | Imperial | 31.8 1.250 |
.083-.134" (2.1-3.4mm) | 11.3 0.445 |
1700 340 34 | | ||||
| SQ34MB | Plastic caps for steel tube - SQUARE TUBING PLUG FOR 34MM TUBES LDPE | Metric | 34.0 1.339 |
1.5 - 2mm | 14.0 0.551 |
1700 340 34 | | | |||
| SQ34MC | Plastic Stopper for Square Tubing - SQUARE TUBING PLUG FOR 34MM TUBES LDPE | Metric | 34.0 1.339 |
3mm | 14.0 0.551 |
1700 340 34 | | ||||
| SQ1.375C | Plugs for Square Tubes - SQUARE TUBING PLUGS FOR 1.375" (1-3/8") TUBES LDPE | Imperial | 34.9 1.375 |
.035-.083" (0.9-2.1mm) | 13.2 0.520 |
1000 200 20 | | ||||
| SQ1.375D | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUGS FOR 1.375" (1-3/8") TUBES LDPE | Imperial | 34.9 1.375 |
.083-.134" (2.1-3.4mm) | 13.2 0.520 |
1000 200 20 | | ||||
| SQ35MA | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUG FOR 35MM TUBES LDPE | Metric | 35.0 1.378 |
1 - 2mm | 13.2 0.520 |
1000 200 20 | | ||||
| SQ35MF | Plastic caps for steel tube - SQUARE TUBING PLUG FOR 35MM TUBES LDPE | Metric | 35.0 1.378 |
2 - 3mm | 13.2 0.520 |
1000 200 20 | | ||||
| SQ1.5W | Plugs for Square Tubes - SQUARE TUBING PLUGS FOR 1.500" (1-1/2") TUBES LDPE | Imperial | 38.1 1.500 |
.203-.259" (5.2-6.6mm) | 11.3 0.445 |
800 160 16 | | ||||
| SQ1.5C | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUGS FOR 1.500" (1-1/2") TUBES LDPE | Imperial | 38.1 1.500 |
.035-.083" (0.9-2.1mm) | 14.7 0.577 |
800 160 16 | | | | ||
| SQ1.5D | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 1.500" (1-1/2") TUBES LDPE | Imperial | 38.1 1.500 |
.083-.134" (2.1-3.4mm) | 14.7 0.577 |
1000 200 20 | | ||||
| SQ40MB | Plastic caps for steel tube - SQUARE TUBING PLUG FOR 40MM TUBES LDPE | Metric | 40.0 1.575 |
1.5 - 2mm | 14.0 0.551 |
1000 200 20 | | | |||
| SQ40MC | Plastic Stopper for Square Tubing - SQUARE TUBING PLUG FOR 40MM TUBES LDPE | Metric | 40.0 1.575 |
3mm | 14.0 0.551 |
1000 200 20 | | ||||
| SQ40MD | Plugs for Square Tubes - SQUARE TUBING PLUG FOR 40MM TUBES LDPE | Metric | 40.0 1.575 |
4mm | 14.0 0.551 |
1000 200 20 | | ||||
| SQ40ME | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUG FOR 40MM TUBES LDPE | Metric | 40.0 1.575 |
5mm | 14.0 0.551 |
1000 200 20 | | ||||
| SQ1.75D | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 1.750" (1-3/4") TUBES LDPE | Imperial | 44.5 1.750 |
.083-.134" (2.1-3.4mm) | 13.2 0.520 |
500 100 10 | | ||||
| SQ1.75C | Plastic caps for steel tube - SQUARE TUBING PLUGS FOR 1.750" (1-3/4") TUBES LDPE | Imperial | 44.5 1.750 |
.035-.083" (0.9-2.1mm) | 14.7 0.577 |
600 120 12 | | ||||
| SQ45MB | Plugs for Square Tubes - SQUARE TUBING PLUG FOR 45MM TUBES LDPE | Metric | 45.0 1.772 |
1.5 - 2mm | 14.0 0.551 |
600 120 12 | | ||||
| SQ50MB | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUG FOR 50MM TUBES LDPE | Metric | 50.0 1.969 |
1.5 - 2mm | 14.0 0.551 |
500 100 10 | | ||||
| SQ50MC | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUG FOR 50MM TUBES LDPE | Metric | 50.0 1.969 |
3mm | 14.0 0.551 |
500 100 10 | | ||||
| SQ50ME | Plastic caps for steel tube - SQUARE TUBING PLUG FOR 50MM TUBES LDPE | Metric | 50.0 1.969 |
5mm | 14.0 0.551 |
500 100 10 | | ||||
| SQ2G | Plastic Stopper for Square Tubing - SQUARE TUBING PLUGS FOR 2.000" (2") TUBES LDPE | Imperial | 50.8 2.000 |
.165-.238" (4.2-6.0mm) | 13.2 0.520 |
500 100 10 | | ||||
| SQ2X | Plugs for Square Tubes - SQUARE TUBING PLUGS FOR 2.000" (2") TUBES LDPE | Imperial | 50.8 2.000 |
.250-.313" | 13.2 0.520 |
-- -- -- | | ||||
| SQ2C | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUGS FOR 2.000" (2") TUBES LDPE | Imperial | 50.8 2.000 |
.035-.083" (0.9-2.1mm) | 14.6 0.576 |
500 100 10 | | | |||
| SQ2D | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 2.000" (2") TUBES LDPE | Imperial | 50.8 2.000 |
.083-.134" (2.1-3.4mm) | 14.6 0.576 |
500 100 10 | | | |||
| SQ2.25D | Plastic caps for steel tube - SQUARE TUBING PLUGS FOR 2.250" (2-1/4") TUBES LDPE | Imperial | 57.2 2.250 |
.083-.134" (2.1-3.4mm) | 14.6 0.574 |
200 40 4 | | ||||
| SQ60MC | Plugs for Square Tubes - SQUARE TUBING PLUG FOR 60MM TUBES LDPE | Metric | 60.0 2.362 |
3mm | 14.0 0.551 |
250 50 5 | | ||||
| SQ60MB | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUG FOR 60MM TUBES LDPE | Metric | 60.0 2.362 |
1.5 - 2mm | 14.0 0.551 |
250 50 5 | | ||||
| SQ60MD | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUG FOR 60MM TUBES LDPE | Metric | 60.0 2.362 |
4mm | 14.0 0.551 |
250 50 5 | | ||||
| SQ60ME | Plastic caps for steel tube - SQUARE TUBING PLUG FOR 60MM TUBES LDPE | Metric | 60.0 2.362 |
5mm | 14.0 0.551 |
250 50 5 | | ||||
| SQ2.5D | Plastic Stopper for Square Tubing - SQUARE TUBING PLUGS FOR 2.500" (2-1/2") TUBES LDPE | Imperial | 63.5 2.500 |
.083-.134" (2.1-3.4mm) | 14.2 0.560 |
500 100 10 | | ||||
| SQ2.5H | Plugs for Square Tubes - SQUARE TUBING PLUGS FOR 2.500" (2-1/2") TUBES LDPE | Imperial | 63.5 2.500 |
.134-.203" (3.4-5.2mm) | 14.2 0.560 |
300 60 6 | | ||||
| SQ2.5I | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUGS FOR 2.500" (2-1/2") TUBES LDPE | Imperial | 63.5 2.500 |
.025-.065" (0.6-1.7mm) | 14.2 0.560 |
300 60 6 | | ||||
| SQ2.75C | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 2.750" (2-3/4") TUBES LDPE | Imperial | 69.9 2.750 |
.035-.083" (0.9-2.1mm) | 16.5 0.650 |
200 40 4 | | ||||
| SQ2.75J | Plastic caps for steel tube - SQUARE TUBING PLUGS FOR 2.750" (2-3/4") TUBES LDPE | Imperial | 69.9 2.750 |
.083-.165" (2.1-4.2mm) | 18.5 0.730 |
200 40 4 | | ||||
| SQ70MC | Plugs for Square Tubes - SQUARE TUBING PLUG FOR 70MM TUBES LDPE | Metric | 70.0 2.756 |
3mm | 17.0 0.669 |
250 50 5 | | ||||
| SQ70MD | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUG FOR 70MM TUBES LDPE | Metric | 70.0 2.756 |
4mm | 17.0 0.669 |
250 50 5 | | ||||
| SQ3K | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 3.000" (3") TUBES LDPE | Imperial | 76.2 3.000 |
.180-.259" (4.6-6.6mm) | 13.2 0.520 |
400 80 8 | | ||||
| SQ3Q | Plastic caps for steel tube - SQUARE TUBING PLUGS FOR 3.000" (3") TUBES LDPE | Imperial | 76.2 3.000 |
.109-.165" (2.8-4.2mm) | 22.9 0.900 |
400 80 8 | | ||||
| SQ3.125O | Plastic Stopper for Square Tubing - SQUARE TUBING PLUGS FOR 3.125" (3-1/8") TUBES LDPE | Imperial | 79.4 3.125 |
.120-.203" (3.0-5.2mm) | 24.6 0.970 |
150 30 3 | | ||||
| SQ80MC | Plugs for Square Tubes - SQUARE TUBING PLUG FOR 80MM TUBES LDPE | Metric | 80.0 3.150 |
3mm | 17.0 0.669 |
150 30 3 | | ||||
| SQ3.5C | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUGS FOR 3.500" (3-1/2") TUBES LDPE | Imperial | 88.9 3.500 |
.035-.083" (0.9-2.1mm) | 17.5 0.690 |
100 20 2 | | ||||
| SQ3.5L | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 3.500" (3-1/2") TUBES LDPE | Imperial | 88.9 3.500 |
.203" (5.2mm) | 17.5 0.690 |
100 20 2 | | ||||
| SQ3.5M | Plastic caps for steel tube - SQUARE TUBING PLUGS FOR 3.500" (3-1/2") TUBES LDPE | Imperial | 88.9 3.500 |
.083-.203" (2.1-5.2mm) | 17.5 0.690 |
100 20 2 | | ||||
| SQ90MB | Plugs for Square Tubes - SQUARE TUBING PLUG FOR 90MM TUBES LDPE | Metric | 90.0 3.543 |
1.5 - 2mm | 17.0 0.669 |
100 20 2 | | ||||
| SQ90ME | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUG FOR 90MM TUBES LDPE | Metric | 90.0 3.543 |
5mm | 17.0 0.669 |
100 20 2 | | ||||
| SQ3.875G | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 3.875" (3-7/8") TUBES LDPE | Imperial | 98.4 3.875 |
.165-.238" (4.2-6.0mm) | 25.4 1.000 |
200 40 4 | | ||||
| SQ100MC | Plastic caps for steel tube - SQUARE TUBING PLUG FOR 100MM TUBES LDPE | Metric | 100.0 3.937 |
3mm | 17.0 0.669 |
100 20 2 | | ||||
| SQ100ME | Plastic Stopper for Square Tubing - SQUARE TUBING PLUG FOR 100MM TUBES LDPE | Metric | 100.0 3.937 |
5mm | 17.0 0.669 |
100 20 2 | | ||||
| SQ4K | Plugs for Square Tubes - SQUARE TUBING PLUGS FOR 4.000" (4") TUBES LDPE | Imperial | 101.6 4.000 |
.180-.259" (4.6-6.6mm) | 23.1 0.910 |
150 30 3 | | ||||
| SQ4N | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUGS FOR 4.000" (4") TUBES LDPE | Imperial | 101.6 4.000 |
.120-.238" (3.0-6.0mm) | 23.1 0.910 |
150 30 3 | | ||||
| SQ120ME | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUG FOR 120MM TUBES LDPE | Metric | 120.0 4.724 |
5mm | 17.0 0.669 |
100 20 2 | | ||||
| SQ4.75O | Plastic caps for steel tube - SQUARE TUBING PLUGS FOR 4.750" (4-3/4") TUBES LDPE | Imperial | 120.7 4.750 |
.120-.203" (3.0-5.2mm) | 25.4 1.000 |
100 20 2 | | ||||
| SQ5P | Plugs for Square Tubes - SQUARE TUBING PLUGS FOR 5.000" (5") TUBES LDPE | Imperial | 127.0 5.000 |
.134-.259" (3.4-6.6mm) | 24.9 0.980 |
75 15 2 | | ||||
| SQ6D | Square Plastic Tubing Plugs (Metric or Standard) - SQUARE TUBING PLUGS FOR 6.000" (6") TUBES LDPE | Imperial | 152.4 6.000 |
.083-.134" (2.1-3.4mm) | 24.9 0.980 |
50 10 1 | | ||||
| SQ6P | Square Tubing Plug Inserts for table legs - SQUARE TUBING PLUGS FOR 6.000" (6") TUBES LDPE | Imperial | 152.4 6.000 |
.134-.259" (3.4-6.6mm) | 24.9 0.980 |
50 10 1 | | ||||
| Part # | Description | Imperial or Metric |
External Tube Size mm in |
Tube Wall | Length mm in |
Box/Mini/Micro QTY |
Flat |
Dome |
Pyramid |
Angle |
See Prices / Buy Online |
Legend:
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- View Price
 Please make sure you measure the outside of your tube when referencing our sizing information. Also, note the "Tube Wall" specified for each plug to make sure it will be compatible with your particular tube. |
Micropacks are only available for purchase through our online store.
Not sure what part you need? Would you like to consider another type or part, or a different material?
Consult MOCAP's Application Advisor for assistance.
Plugs for Square Tubes - Information
MOCAP SQ Series heavy wall polyethylene plugs for square tubing are designed to fit multiple tube gauges and provide a secure fit. Poly tube plugs are ideal for office and patio furniture, tubular racks, appliances, exercise equipment, or anywhere a finished look is needed. Tube plugs include multiple horizontal ribs designed with built in flexibility for easy install and secure fit. SQ Series Tubing Plugs are available in sizes to fit 10mm to 120mm metric rectangular tubes.
- Our tube plugs fit multiple gauges
- Multiple inner ribs for a secure fit
Many Sizes of Our Plugs for Square Tubes are Stocked for Immediate Shipment.
Most stock sizes are available in Mini-Packs when Smaller Quantities are Needed. To place an order for this product, call 0800 046 7436 or use our Contact Request Form to receive information by e-mail.
