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System of Measurement System of Measurement | Show |
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Mounting Plate Material Mounting Plate Material |
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Includes Mounting Plate Includes Mounting Plate |
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Number of Nuts Included Number of Nuts Included |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Selecting U-Bolts Using Pipe, Conduit, or Tubing Trade Size
More
Clamping U-Bolts

With Plastic Mounting Plate
Also known as muffler clamps, these U-bolts have a rounded mounting plate that fully surrounds pipe, conduit, and tubing for a secure fit. Stronger than routing clamps and hangers, U-bolts support heavy pipe, tube, and conduit from ceilings, walls, and poles.
Zinc-plated steel U-bolts have good corrosion resistance in most environments.
U-bolts with four nuts allow you to secure the U-bolt from the top and the bottom.
For technical drawings and 3-D models, click on a part number.
ID | Thread | Mounting Plate | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | Metric, mm | For Pipe Size | Ht. | Lg. | Pitch, mm | Ctr.-to-Ctr. | Material | Color | Lg. | Wd. | Thick. | No. of Nuts Included | Temp. Range, °F | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||||||||
M10 Thread Size | ||||||||||||||||
| 1 3/16" | 30 | 3/4 | 2 3/8" | 1 5/8" | 1.5 | 1 9/16" | Plastic | Black | 2 15/16" | 1 3/16" | 1/2" | 4 | -20° to 190° F | 1 | 0000000 | 00000 |
| 1 1/2" | 38 | 1 | 2 9/16" | 1 5/8" | 1.5 | 1 7/8" | Plastic | Black | 3 1/8" | 1 3/16" | 1/2" | 4 | -20° to 190° F | 1 | 0000000 | 0000 |
| 1 13/16" | 46 | 1 1/4 | 3" | 2" | 1.5 | 2 3/16" | Plastic | Black | 3 9/16" | 1 3/16" | 1/2" | 4 | -20° to 190° F | 1 | 0000000 | 0000 |
| 2 1/16" | 52 | 1 1/2 | 3 1/4" | 2" | 1.5 | 2 7/16" | Plastic | Black | 3 3/4" | 1 3/8" | 19/32" | 4 | -20° to 190° F | 1 | 0000000 | 0000 |
M12 Thread Size | ||||||||||||||||
| 2 1/2" | 64 | 2 | 3 13/16" | 2 3/8" | 1.75 | 3" | Plastic | Black | 4 5/16" | 1 3/8" | 19/32" | 4 | -20° to 190° F | 1 | 0000000 | 00000 |
| Each | ||||||||||||||||
| 3 1/16" | 78 | 2 1/2 | 4 13/16" | 3" | 1.75 | 3 11/16" | Plastic | Green | 5 5/16" | 1 3/8" | 19/32" | 4 | -20° to 190° F | __ | 00000000 | 00000 |
| Pkg. | ||||||||||||||||
| 3 1/4" | 83 | __ | 4 1/2" | 2 3/8" | 1.75 | 3 11/16" | Plastic | Black | 5 5/16" | 1 3/8" | 19/32" | 4 | -20° to 190° F | 1 | 0000000 | 00000 |
| 3 11/16" | 94 | 3 | 5" | 2 3/8" | 1.75 | 4 3/16" | Plastic | Black | 5 11/16" | 1 9/16" | 13/16" | 4 | -20° to 190° F | 1 | 0000000 | 00000 |
M16 Thread Size | ||||||||||||||||
| 4 3/4" | 121 | 4 | 6 1/8" | 3 3/16" | 2 | 5 3/8" | Plastic | Black | 7 1/2" | 1 9/16" | 13/16" | 4 | -20° to 190° F | 1 | 0000000 | 00000 |
| 5 13/16" | 148 | 5 | 6 15/16" | 3 3/16" | 2 | 6 7/16" | Plastic | Black | 8 11/16" | 1 9/16" | 13/16" | 4 | -20° to 190° F | 1 | 0000000 | 00000 |
| 6 15/16" | 176 | 6 | 7 15/16" | 3 3/16" | 2 | 7 9/16" | Plastic | Black | 10" | 1 15/16" | 1" | 4 | -20° to 190° F | 1 | 0000000 | 00000 |
| Each | ||||||||||||||||
M20 Thread Size | ||||||||||||||||
| 8 3/4" | 222 | 8 | 11 7/16" | 4 15/16" | 2.5 | 9 3/4" | Plastic | Green | 12 3/8" | 2" | 31/32" | 4 | -20° to 190° F | __ | 00000000 | 00000 |
| 10 7/8" | 276 | 10 | 13 9/16" | 4 15/16" | 2.5 | 11 7/8" | Plastic | Green | 14 9/16" | 2" | 31/32" | 4 | -20° to 190° F | __ | 00000000 | 00000 |
| 12 15/16" | 329 | 12 | 15 11/16" | 4 15/16" | 2.5 | 13 7/8" | Plastic | Green | 16 9/16" | 2 3/8" | 1 3/16" | 4 | -20° to 190° F | __ | 00000000 | 00000 |
M24 Thread Size | ||||||||||||||||
| 14 3/16" | 360 | 14 | 17 3/4" | 5 11/16" | 3 | 15 13/16" | Plastic | Green | 18 7/8" | 2 3/8" | 1 3/16" | 4 | -20° to 190° F | __ | 00000000 | 000000 |
| 16 1/4" | 413 | 16 | 19 3/4" | 5 11/16" | 3 | 17 13/16" | Plastic | Green | 21 1/4" | 2 3/8" | 1 3/16" | 4 | -20° to 190° F | __ | 00000000 | 000000 |




























