Square Tube Clamps | McMaster-Carr

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System of Measurement

Inside Width

Material

Height

Thread Size

Mount Type

Center-to-Center

Finish

Weight Capacity

1,000 lb. to 1,999 lb.

2,000 lb. to 3,999 lb.

4,000 lb. to 9,999 lb.

10,000 lb. or greater

Beam Mount Location

Thread Length

For Beam Shape

For Suspending

Pipe Size

Leg Diameter

Clamp Type

Width

Washer Material

For Beam Thickness

Shaft Width

Nut Material

RoHS

Compliant with Exemptions

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

583 Products

Material Handling

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

194 products

Beam Clamps

Secure lines of pipe and duct, overhead equipment, and lighting fixtures to beam flanges

158 products

Power Transmission

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

34 products

Rigid Shaft Couplings

Join two shafts that are aligned and handle higher torque than flexible shaft couplings

9 products

Building and Machinery Hardware

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

12 products

Fabricating and Machining

C-Clamps

Temporarily secure workpieces together or to a work surface

131 products

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

8 products

Toggle Clamps

Lock workpieces onto worktables or objects

2 products

Swivel Pads

Attach to the ends of screws, threaded studs, or C-clamps to apply even pressure on uneven surfaces

8 products

Electrical Power, Networking, and Controlling

Bonding and Grounding Clamps

Add cable or use included cable to create a grounding path, which prevents static charge buildup

19 products

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

8 products