Connecting Shafts | McMaster-Carr

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16,649 Products

Power Transmission

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Shafts

Transmit power, motion, and speed between machine components

Ball Screw/Splines

Ball Screw/Splines

Transmit rotary power, move loads along the shaft, or do both at once

Flexible Shafts

Flexible Shafts

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

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Ball Screws and Nuts

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

Splines and Spline Bearings

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

Roller Screws and Nuts

Roller Screws and Nuts

More contact points to move heavier loads than ball and lead screw assemblies

Fastening and Joining

Driver Shafts

Attach to a handle to create your own driver tool, or pair with socket wrenches and power tools

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Studs

Press, weld, or screw in place to add a threaded fastening point

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Fluid Handling

Mixer Shafts

Replace the shaft on mixers

Float Rods

Connect valve bodies and floats to build or repair a float valve

Fabricating and Machining

Rotary Tool Shafts

Rotary Tool Shafts

Pair with rotary tools to grind, sand, finish, and polish corners and other tight spots

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

Die Grinder Drill Attachments

Die Grinder Drill Attachments

Convert bench-mount motors and drills into flexible-shaft grinders

Facility and Grounds Maintenance

Toilet Tank Replacement Parts

Toilet Tank Replacement Parts

Replace parts such as flappers, fill valves, and floats in your toilet tank

Building and Machinery Hardware

Lever Handles

Replace gear levers or attach to cranks and hand wheels to make them easier to turn

Control Cables

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

Ball-Lever Shafts

Ball-Lever Shafts

Attach a ball knob to create a custom handle for operating machinery

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