Steel Keys | McMaster-Carr

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4,515 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

Screwdrivers

Tighten and loosen screws

Torque-Control Flag-Handle Keys

Torque-Control Flag-Handle Keys

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

Driver Shafts

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

Impact Drivers

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

Nutdrivers

Tighten and loosen nuts and bolts

Screw Starters

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

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

Tank Wrenches

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

Pipe/Valve Wheel Wrenches

Pipe/Valve Wheel Wrenches

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

Valve Wheel Wrenches

Valve Wheel Wrenches

Supply the leverage needed to turn hand wheels on large valves

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

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

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