Check-Nut Wrenches | McMaster-Carr

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12-Point Sure Grip

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External 12-Point

External Pentagon

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Material

Stainless Steel

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Finish

Phosphate Coated

Square Drive Size

Circle Diameter

15/32" to 35/64"

25/32" to 3 15/16"

63/64" to 1 7/64"

1 3/16" to 1 17/64"

Ratcheting

Spanner Wrench Style

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Export Control Classification Number (ECCN)

REACH

RoHS

DFARS Specialty Metals

For Use With

Fire Hose Fittings

Rings, Flanges, and Collars

Round and Irregular Objects

Rounded Fasteners

Screws and Nuts

Pin Diameter

Jaw Style

Number of Heads

Jaw Capacity

Wrench Type

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766 Products

Open-End Wrenches

Open-End Wrenches

Open-End Wrenches

Slip on fasteners from the side to adjust them in tight spots

Open-End Wrenches for Army-Navy Fittings

Open-End Wrenches for Army-Navy Fittings

Securely tighten AN (Army-Navy) fittings without rounding corners

Open-End Wrench Sets for Army-Navy Fittings

Open-End Wrench Sets for Army-Navy Fittings

Securely tighten various AN (Army-Navy) fittings without rounding corners

Tight-Clearance Open-End Wrenches

Tight-Clearance Open-End Wrenches

Twist thin fasteners in cramped spots where bulky wrenches can't go

Tight-Clearance Open-End Wrench Sets

Tight-Clearance Open-End Wrench Sets

Twist a variety of thin fasteners in cramped spots where other wrenches won't fit

Miniature Open-End Wrenches

Miniature Open-End Wrenches

Take on precision tasks with extra slim heads

Miniature Open-End Wrench Sets

Miniature Open-End Wrench Sets

Take on a range of precision tasks with extra slim heads

Strikable Open-End Wrenches

Strikable Open-End Wrenches

Strike the handle with a hammer to break stuck fasteners free

Open-End Wrenches for Hole Alignment

Open-End Wrenches for Hole Alignment

Line up holes to insert bolts, then flip the wrench around to tighten

Other Products

Pipe Wrenches

Serrated jaws grasp and turn pipe, conduit, and fittings

Wrench Heads

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

Spanner Wrenches

Spanner Wrenches

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

Adjustable Wrenches

Adjustable Wrenches

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

Pipe Wrench Jaws

Pipe Wrench Jaws

Replace jaws on pipe wrenches

Pipe Wrench Springs

Pipe Wrench Springs

Replace springs in pipe wrenches

Wrench Organizers

Wrench Organizers

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

Sockets

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

Pipe Wrench Nuts

Pipe Wrench Nuts

Replace nuts on pipe wrenches

Combination Wrenches

Combination Wrenches

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

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

Adjustable Pliers

Adjustable Pliers

A range of jaw positions for turning fasteners and gripping workpieces

Locking Pliers

Clamp workpieces and lock them in place to keep your hands free

Fire Hose and Hydrant Wrenches

Fire Hose and Hydrant Wrenches

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

Pipe/Valve Wheel Wrenches

Pipe/Valve Wheel Wrenches

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

Water Meter Wrenches

Water Meter Wrenches

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

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