McMaster-Carr

Choose a Category

	Material Material

304 Stainless Steel

316 Stainless Steel

	For Pipe Size For Pipe Size

1/4
3/8
1/2
3/4
1
1 1/4
1 1/2
2
2 1/2
3
3 1/2
4
4 1/2
5
6
8
10
12
14
16
18
20
24

	System of Measurement System of Measurement

Inch

Metric

	ID ID

	Height Height

	Thread Size Thread Size

	Nut Material Nut Material

304 Stainless Steel

316 Stainless Steel

18-8 Stainless Steel

	Leg Diameter Leg Diameter

	Center-to-Center Center-to-Center

	Thread Length Thread Length

	Includes Mounting Plate Includes Mounting Plate

Yes

	Nut Style Nut Style

Hex Nut

Nylon-Insert Locknut

Serrated-Flange Locknut

Hex

	Mounting Plate Material Mounting Plate Material

Stainless Steel

Rubber

	Inside Width Inside Width

	Number of Nuts Included Number of Nuts Included

	For Rigid Conduit Trade Size For Rigid Conduit Trade Size

1/4
3/8
1/2
3/4
1
1 1/4
1 1/2
2
2 1/2
3
3 1/2
4
4 1/2
5
6
14
16
18

	For Copper Tube Size For Copper Tube Size

	For IMC Conduit Trade Size For IMC Conduit Trade Size

	For EMT Conduit Trade Size For EMT Conduit Trade Size

	Capacity Capacity

4,000 lbs. or greater

Not Rated

	Mounting Plate Thickness Mounting Plate Thickness

	For U-Bolt ID For U-Bolt ID

	For Thread Size For Thread Size

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319 Products

Selecting U-Bolts Using Pipe, Conduit, or Tubing Trade Size

U-Bolts

Mount these general purpose U-bolts into an existing bracket, or combine with a mounting plate for a secure hold at the mounting surface.

U-Bolts with Mounting Plates

A mounting plate provides a more secure hold at the mounting surface.

U-Bolt Mounting Plates

Add a mounting plate to your U-bolt for a more secure hold at the mounting surface.

Square U-Bolts

Suspend and route flat-bottomed objects such as strut channel and small duct.

Clamping U-Bolts

Also known as muffler clamps, these U-bolts have a rounded mounting plate that fully surrounds pipe, conduit, and tubing for a secure fit.

Vibration-Damping U-Bolts

Reduce vibration and noise in your lines—a plastic cushion tightly grips pipe, tubing, and conduit to prevent movement. Nylon-insert locknuts grip the thread to resist loosening.

Rubber-Cushioned U-Bolts

A durable rubber cushion and mounting plate prevent corrosion and wear caused by metal-to-metal contact. The mounting plate is removable, so the U-bolts can be installed onto an existing line without needing to dissemble it.

Rubber-Cushioned Square U-Bolts

Reduce vibration and prevent metal-to-metal corrosion on flat-bottomed objects such as strut channel and small duct.

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