Metric Wrenches | McMaster-Carr

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Hex with Pilot Recess

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Magnesium Phosphate Coated

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

Yes

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

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3,080 Products

Fastening and Joining

Combination Wrenches

Use the open end when tightening in cramped spaces and the box end when you need extra grip

287 products

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

196 products

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

193 products

Wrench Heads

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

47 products

Box Wrenches

Grip all sides of a fastener to prevent slipping

86 products

Sockets

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

799 products

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

21 products

Bit Sockets

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

393 products

Spanner Wrenches

Grab onto holes and slots to turn collars, bearings, and other machine tool components

20 products

Socket Bits

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

18 products

Socket Inserts

Slip into sockets to keep fasteners from falling out

2 products

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

2 products

L-Keys

Turn fasteners from either end and reach into tight spots

472 products

T-Handle Keys

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

181 products

Screwdrivers

Tighten and loosen screws

125 products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

38 products

Torque Screwdriver Handles

Pair with a shaft to create a custom torque screwdriver

9 products

Torque Screwdriver Shafts

Pair with a handle to create a custom torque screwdriver

5 products

Screwdriver Bits

Pair with drivers to turn screws

129 products

Driver Shafts

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

18 products

Impact Drivers

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

1 product

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

4 products

Containers, Storage, and Furniture

Wrench Organizers

Keep wrenches in order at your workstation or when carrying them around your facility

4 products

Socket Organizers

Arrange sockets at your workstation or carry them neatly around your facility

8 products

Measuring and Inspecting

Torque Gauges

Test the accuracy of torque wrenches and screwdrivers

5 products