Connecting Shafts | McMaster-Carr

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System of Measurement

Threading

Threaded on Both Ends

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Retaining Ring Groove

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Right Hand and Left Hand

Finish

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

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Fastener Strength Grade/Class

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Compliant with Exemptions

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Hardness

Component

Thread Length

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

Specifications Met

16,673 Products

Power Transmission

Connecting Rods

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

808 products

Shafts

Transmit power, motion, and speed between machine components

3,159 products

Ball Screw/Splines

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

3 products

Roller Screws and Nuts

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

8 products

Flexible Shafts

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

41 products

Lead Screws and Nuts

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

1,778 products

Ball Screws and Nuts

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

140 products

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

35 products

Fastening and Joining

Dowel Pins

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

3,556 products

Threaded Rods

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

5,336 products

Single-End Studs

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

184 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

661 products

Standoffs

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

3 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

Rotary Tool Shafts

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

1 product

Setup Studs

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

619 products

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

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