Steel Keys | McMaster-Carr

Filter by

System of Measurement

Width

Length

15/16" to 1 1/8"

Height

Key Type

Tolerance Rating

For Keyway Diameter

Minimum Hardness

Specifications Met

Fed. Spec. GGG-W-001405

OSHA Compliant 29 CFR 1910.147

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

Drive Size

Shaft Keyway Width

Finish

Chromate Conversion Coated

Copper Nickel Chrome Plated

Magnesium Phosphate Coated

Phosphate Coated

Polyurethane Coated

Titanium Aluminum Nitride (TiAlN) Coated

Hardness

Hub Keyway Width

Woodruff Key Number

Tip Style

Sold As

Driver Style

Number of Pieces

Thread Size

How can we improve?

6,536 Products

Fastening and Joining

Machine Keys

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

Machine Key Stock

Machine Key Stock

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

L-Keys

Turn fasteners from either end and reach into tight spots

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Torque-Limiting Keys

Torque-Limiting Keys

Used to install carbide inserts in cutting tools, a handle limits the amount of torque generated

Screwdrivers

Tighten and loosen screws

Driver Shafts

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

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Nutdrivers

Tighten and loosen nuts and bolts

Impact Drivers

More powerful than drills to drive screws through dense material and loosen stuck fasteners

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Shut-Off Valve Wrenches

Shut-Off Valve Wrenches

Turn hard-to-reach valves on gas lines, faucets, toilets, and sinks

Bit Sockets

Turn fasteners with an internal drive style without slipping and damaging the drive

Box Wrenches

Grip all sides of a fastener to prevent slipping

Pipe/Valve Wheel Wrenches

Pipe/Valve Wheel Wrenches

Grip and turn pipe with one end and loosen valve wheels with the other

Tank Wrenches

Turn valve stems, regulator inlet nuts, and caps on welding tanks

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

Drain Wrenches

Install and remove drain traps and fittings, overflow outlets, and toilet inlet spuds

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Valve Wheel Wrenches

Valve Wheel Wrenches

Supply the leverage needed to turn hand wheels on large valves

Building and Machinery Hardware

Padlocks

Shackle objects together, such as a door and its frame, to prevent theft or unauthorized entry

Fabricating and Machining

Fixture Keys

Locate fixtures and vises on your machine table

Drill Chuck Keys

Drill Chuck Keys

Open and close drill chuck jaws

Drill Drifts

Separate Morse taper shank cutting tools from spindles and adapters

Lathe Chuck Keys

Lathe Chuck Keys

A long T-handle gives leverage to open tight lathe chucks

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