Service Wrenches | McMaster-Carr

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Drive Size

Wrench Style

System of Measurement

Wrench Opening Shape

12-Point Sure Grip

Drive Style

External 12-Point

External Pentagon

External Rounded Square

External Spline

External Square

Tamper-Resistant Hex

Tamper-Resistant Torx

Tamper-Resistant Torx Plus

Head Style

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

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Square Drive Size

Head Thickness

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Material

Aluminum Magnesium

Stainless Steel

Ratcheting

Socket Style

Number of Heads

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

Tip Style

Opening Angle

Wrench Type

For Use With

90° Elbow Fittings

Fire Hose Fittings

Rings, Flanges, and Collars

Round and Irregular Objects

Screws and Nuts

Shut-Off Valves

Number of Pieces

Jaw Type

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3,589 Products

Fastening and Joining

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Box Wrenches

Grip all sides of a fastener to prevent slipping

Adjustable Wrenches

Adjustable Wrenches

Adjust the jaws to fasten different size nuts, bolts, or workpiece

Combination Wrenches

Combination Wrenches

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

Spanner Wrenches

Spanner Wrenches

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

Pipe Wrenches

Serrated jaws grasp and turn pipe, conduit, and fittings

Shut-Off Valve Wrenches

Shut-Off Valve Wrenches

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

Wrench Heads

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

Water Meter Wrenches

Water Meter Wrenches

Turn meter couplings and shut-off valve nuts on water meters

Socket Wrenches

Socket Wrenches

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Fire Hose and Hydrant Wrenches

Fire Hose and Hydrant Wrenches

Open and close hydrant caps, install sprinkler heads, and fasten fire hose fittings

Chain Wrenches

Grasp and twist pipe, tubing, and conduit, as well as irregularly shaped objects

Tank Wrenches

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

Sockets

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

Pipe/Valve Wheel Wrenches

Pipe/Valve Wheel Wrenches

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

Drain Wrenches

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

Strap Wrenches

Grip plastic and high-polished pipe, tubing, hand wheels, and filters without marring the surface

Plug Wrenches

Insert and remove recessed plugs in drain cleanout pipe

Bit Sockets

Turn fasteners with an internal 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

Wrench Handles

Generate extra torque to loosen stubborn fasteners; also known as breaker bars

Drum Plug Wrenches

Drum Plug Wrenches

Install and remove screw-in drum plugs; also known as bung wrenches

Oil Filter Sockets

Oil Filter Sockets

Twist with a ratchet wrench to adjust filters and other round objects in tight spots

Ball Joint Sockets

Ball Joint Sockets

Install and remove ball joints in suspension and steering systems

Drum Plug Sockets

Drum Plug Sockets

Turn with a ratchet wrench to install and remove screw-in drum plugs

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Facility and Grounds Maintenance

Tool Sets

Secure fasteners and complete a variety of other maintenance tasks

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