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Selecting U-Bolts Using Pipe, Conduit, or Tubing Trade Size
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U-Bolts
Stronger than routing clamps and hangers, U-bolts support heavy pipe, tube, and conduit from ceilings, walls, and poles. Aluminum U-bolts are lighter weight and more corrosion resistant than steel U-bolts, but aren't as strong.
For technical drawings and 3-D models, click on a part number.
U-Bolts | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID | Mounting Plates | ||||||||||||
| Inch | Metric, mm | For Pipe Size  | Ht. | Thread Lg. | Capacity, lbs. | Ctr.-to-Ctr. | No. of Nuts Included | Pkg. Qty. | Pkg. | Pkg. Qty. | Pkg. | ||
Aluminum | |||||||||||||
1/4"-20 Thread Size | |||||||||||||
| 3/4" | 19 | 3/8 | 1 1/4" | 5/8" | 200 | 1" | 2 | 1 | 0000000 | 00000 | 1 | 0000000 | 00000 |
| 1" | 25 | __ | 1 3/4" | 1" | 200 | 1 1/4" | 2 | 1 | 0000000 | 0000 | 1 | 0000000 | 0000 |
| 1 1/8" | 29 | 3/4 | 2" | 1" | 200 | 1 3/8" | 2 | 1 | 0000000 | 0000 | 1 | 0000000 | 0000 |
| 1 1/2" | 38 | 1 | 2 3/4" | 1 3/8" | 200 | 1 3/4" | 2 | 1 | 0000000 | 0000 | 1 | 0000000 | 0000 |
| 1 3/4" | 44 | 1 1/4 | 3" | 1 3/8" | 200 | 2" | 2 | 1 | 0000000 | 0000 | 1 | 0000000 | 0000 |
| 2" | 51 | 1 1/2 | 3 1/4" | 1 3/8" | 200 | 2 1/4" | 2 | 1 | 0000000 | 0000 | 1 | 0000000 | 0000 |
5/16"-18 Thread Size | |||||||||||||
| 2 1/2" | 64 | 2 | 3 3/16" | 1" | 425 | 2 13/16" | 2 | 1 | 0000000 | 0000 | 1 | 0000000 | 0000 |
| 3" | 76 | 2 1/2 | 3 11/16" | 1" | 425 | 3 5/16" | 2 | 1 | 0000000 | 0000 | 1 | 0000000 | 0000 |
3/8"-16 Thread Size | |||||||||||||
| 3 1/2" | 89 | 3 | 4 1/8" | 1 1/4" | 625 | 3 7/8" | 2 | 1 | 0000000 | 0000 | 1 | 0000000 | 0000 |
1/2"-13 Thread Size | |||||||||||||
| 4 1/2" | 114 | 4 | 6" | 1 1/2" | 1,000 | 5" | 2 | 1 | 0000000 | 00000 | 1 | 0000000 | 0000 |
U-Bolt Mounting Plates
Add a mounting plate to your U-bolt for a more secure hold at the mounting surface. Aluminum mounting plates are lighter weight and more corrosion resistant than steel mounting plates, but aren't as strong.
For technical drawings and 3-D models, click on a part number.
| For U-Bolt ID | Lg. | Wd. | Thick. | Ctr.-to-Ctr. | Pkg. Qty. | Pkg. | |
Aluminum | |||||||
|---|---|---|---|---|---|---|---|
For 1/4"-20 Thread Size | |||||||
| 3/4" | 1 5/8" | 3/4" | 1/8" | 1" | 1 | 0000000 | 00000 |
| 1" | 1 7/8" | 3/4" | 1/8" | 1 1/4" | 1 | 0000000 | 0000 |
| 1 1/8" | 2" | 3/4" | 1/8" | 1 3/8" | 1 | 0000000 | 0000 |
| 1 1/2" | 2 3/8" | 3/4" | 1/8" | 1 3/4" | 1 | 0000000 | 0000 |
| 1 3/4" | 2 5/8" | 3/4" | 1/8" | 2" | 1 | 0000000 | 0000 |
| 2" | 2 7/8" | 3/4" | 1/8" | 2 1/4" | 1 | 0000000 | 0000 |
For 5/16"-18 Thread Size | |||||||
| 2 1/2" | 3 9/16" | 3/4" | 1/8" | 2 13/16" | 1 | 0000000 | 0000 |
| 3" | 4 1/16" | 3/4" | 1/8" | 3 5/16" | 1 | 0000000 | 0000 |
For 3/8"-16 Thread Size | |||||||
| 3 1/2" | 4 3/4" | 1" | 1/8" | 3 7/8" | 1 | 0000000 | 0000 |
For 1/2"-13 Thread Size | |||||||
| 4 1/2" | 6 1/8" | 1" | 1/8" | 5" | 1 | 0000000 | 0000 |