Flexible Joints | McMaster-Carr

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Pipe Size

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For Shaft Misalignment Type

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Compliant with Exemptions

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Export Control Classification Number (ECCN)

1C998

2B999

EAR99

DFARS Specialty Metals

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Number of Bolt Holes

Maximum Torque

Flange OD

Shape

Shaft Coupling Motion

For Flange Class

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2,395 Products

Fluid Handling

Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

159 products

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

105 products

Power Transmission

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

1,414 products

U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

174 products

Flexible Shafts

Snake around curves and obstructions to transmit rotary motion along any path

41 products

Shear Couplings

Sever the connection between shafts when there's too much torque to protect parts from breaking

22 products

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

52 products

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

6 products

Building and Machinery Hardware

Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

84 products

Material Handling

Shackles

Lift, pull, and anchor heavy loads while keeping them secure with a pin

16 products