Keyways | McMaster-Carr

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System of Measurement

Width

Length

Height

Material

Key Type

Tolerance Rating

Minimum Hardness

Diameter

Specifications Met

Shaft Keyway Width

DFARS Specialty Metals

For Keyway Diameter

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

1C998

EAR99

Finish

Brass Plated

Chromate Conversion Coated

Chrome Plated

Nickel Plated

Painted

Titanium Nitride (TiN) Coated

Uncoated

Zinc Plated

Zinc Yellow-Chromate Plated

Hub Keyway Width

Keyway Width

For Shaft Keyway Height

Thread Size

Keyway Length

Number of Pieces

For Hub Keyway Height

Container Type

2,762 Products

Fastening and Joining

Machine Keys

Transmit torque from rotating shafts to gears, sprockets, and other machine parts

1,014 products

Machine Key Stock

Cut a custom length to transfer torque from shafts to components such as gears and sprockets

826 products

Standoffs

Separate, position, or connect components in assemblies

5 products

Power Transmission

Rotary Shafts

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

729 products

Fabricating and Machining

Broaches

Install in an arbor press, milling machine, or CNC machine to cut shapes into existing holes

145 products

Deburring Tools

Changeable or fixed cutting blades shave rough edges from surfaces, holes, and pipe

3 products

Building and Machinery Hardware

Lock Cylinders

Install in doors to lock and unlock them with a key

28 products

Lock Rekeying Pins

Change your lock's pins so it will open with a different key

6 products