Zinc Plated U-Bolts | McMaster-Carr

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	System of Measurement System of Measurement

	Thread Size Thread Size

	ID ID

	Inside Width Inside Width

	Finish Finish	Show

	Finish Finish	Hide

	Material Material

	Center-to-Center Center-to-Center

	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

	Thread Length Thread Length

	Leg Diameter Leg Diameter

	Nut Material Nut Material

	Includes Mounting Plate Includes Mounting Plate

	Capacity Capacity

Less than 1,000 lbs.

1,000 to 1,999 lbs.

2,000 to 2,999 lbs.

3,000 to 3,999 lbs.

4,000 lbs. or greater

	Number of Nuts Included Number of Nuts Included

	Nut Style Nut Style

Nylon-Insert Locknut

Serrated-Flange Locknut

	Mount Type Mount Type

	Threaded

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Washer Material Washer Material

	For Rigid Conduit Trade Size For Rigid Conduit Trade Size

	For IMC Conduit Trade Size For IMC Conduit Trade Size

	Mounting Plate Material Mounting Plate Material

	Cushion Color Cushion Color

	Black
	Blue

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282 Products

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

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U-Bolts

U-Bolts

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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

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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

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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

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 Square U-Bolts

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)