Key Bars | McMaster-Carr

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System of Measurement

Width

Height

Material

Length

Key Type

Tolerance Rating

Minimum Hardness

Shaft Keyway Width

Hardness

Finish

Chromate Conversion Coated

Phosphate Coated

Powder Coated

Zinc Plated

Zinc Yellow-Chromate Plated

RoHS

Compliant

Compliant with Exemptions

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DFARS Specialty Metals

REACH

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

Hub Keyway Width

Export Control Classification Number (ECCN)

Specifications Met

For Shaft Keyway Height

Number of Pieces

Drive Style

Tamper-Resistant Torx

Torx

For Hub Keyway Height

Container Type

Color

Grip Style

For Use With

1,263 Products

Fastening and Joining

Machine Key Stock

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

824 products

Machine Keys

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

372 products

L-Keys

Turn fasteners from either end and reach into tight spots

42 products

Building and Machinery Hardware

Key-Control Cabinets

Lock and keep track of keys in a central location

23 products

Key Racks

Store and quickly identify keys with color-coded and labeled tags

2 products