Connecting Shafts | McMaster-Carr

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System of Measurement

Length

Thread Size

Material

Diameter

Threading

Threaded on Both Ends

End Type

Retaining Ring Groove

Thread Direction

Right Hand and Left Hand

Finish

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

End Shape

Fastener Strength Grade/Class

Performance

Electrically Insulating

Hardness

Thread Pitch

Thread Type

Metric Rounded Trapezoidal

Shaft Type

DFARS Specialty Metals

Thread Spacing

RoHS

Compliant with Exemptions

REACH

Fastener Head Type

Export Control Classification Number (ECCN)

Thread Length

Component

Tensile Strength

10,000 psi to 19,999 psi

20,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Nut Type

17,935 Products

Power Transmission

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion

1,808 products

Linear Shafts

Pair with linear bearings to reduce friction in manual and automated systems

1,318 products

Connecting Rods

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

808 products

Ball Screw/Splines and Bearings

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

3 products

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

8 products

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

200 products

Flexible Shafts

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

41 products

Sleeve Splines and Bearings

Transmit rotary power or move loads along the length of splines

9 products

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

838 products

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

962 products

Fastening and Joining

Single-End Studs

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

184 products

Threaded Rods

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

5,335 products

Thread Adapters

Join threads of a different type, size, and gender

59 products

Studs

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

660 products

Dowel Pins

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

3,556 products

Standoffs

Separate, position, or connect components in assemblies

1,259 products

Driver Shafts

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

37 products

Fabricating and Machining

Setup Studs

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

627 products

Rotary Tool Shafts

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

1 product

Die Grinder Drill Attachments

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

1 product

Fluid Handling

Mixer Shafts

Replace the shaft on mixers

44 products

Float Rods

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

18 products

Facility and Grounds Maintenance

Toilet Tank Replacement Parts

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

3 products

Building and Machinery Hardware

Lever Handles

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

26 products

Mechanical Control Cables

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

16 products

Ball-Lever Shafts

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

56 products