5/16" Keys | McMaster-Carr

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System of Measurement

Length

Height

Material

Stainless Steel

Key Type

Tolerance Rating

For Keyway Diameter

Minimum Hardness

Specifications Met

ASME B17.1 Class 1

ASME B17.1 Class 2

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

Hardness

Woodruff Key Number

Shape

Finish

For Machine Table T-Slot Width

End Height

Mounting Screw Size

Head Height

Head Length

Rate of Taper

Color

Mount Type

Unthreaded Through Hole

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58 Products

Machine Keys

Woodruff Keys

The rounded shape makes them easy to remove during frequent disassembly

Machine Keys

Install in keyways to transmit torque from shafts to gears and other components

Tapered Gib Keys

Tapered Gib Keys

The tapered body wedges in to the keyway for a more secure fit than standard machine keys

Other Products

Machine Key Stock

Machine Key Stock

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

Fixture Keys

Locate fixtures and vises on your machine table

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