Rod Couplings | McMaster-Carr

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System of Measurement

Thread Size

Material

Length

Shaft Diameter

Nut Type

Width

Threading

Finish

Hot-Dipped Galvanized

Shaft Type

Gender

Thread Direction

Shank Thread Size

Overall Length

Hex Length

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

Yes

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

REACH

Performance

Construction

Shaft Mount Type

Fastener Strength Grade/Class

6,529 Products

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

620 products

Thread Adapters

Join threads of a different type, size, and gender

1,115 products

Driver Extension Adapters

Create a tool that’s as long as you need to reach deeply recessed fasteners

44 products

Power Transmission

Rigid Shaft Couplings

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

696 products

Flexible Shaft Couplings

Connect two shafts that are misaligned to transfer rotary motion from one to the other

1,632 products

Flexible Shafts

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

41 products

U-Joints

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

181 products

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

54 products

Machinable Shaft Ends

Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts

56 products

Rigid Shaft Coupling Covers

Shield rigid shaft couplings from dirt, water, and lubricants to extend their life

13 products

Rod Alignment Couplers

Reduce wear on bearings and seals by flexing when the cylinder and load aren't precisely even

94 products

Hydraulic Cylinder Mounts

Restrain cylinders and secure loads to the end of the rod

4 products

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

1,615 products

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

8 products

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

16 products

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

29 products

Lead Screw Nuts

Mate with lead screws to move components in a straight line

43 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

79 products

Torque Limiters

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

86 products

Building and Machinery Hardware

Mechanical Control Cables

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

97 products