Conduit Locknut Wrenches | McMaster-Carr

Filter by

System of Measurement

Drive Size

Wrench Style

Wrench Opening Shape

12-Point Sure Grip

Head Style

Sold As

Drive Style

External 12-Point

External Spline

External Square

Overall Length

Head Thickness

Ratcheting

Finish

Phosphate Coated

Material

Stainless Steel

Spanner Wrench Style

Number of Heads

For Use With

Rings, Flanges, and Collars

Round and Irregular Objects

Screws and Nuts

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"

1 11/32" to 1 27/64"

1 3/8" to 2 3/8"

Length

Number of Pieces

Appearance

Opening Angle

Square Drive Size

RoHS

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

Relative Length

How can we improve?

1,815 Products

Spanner Wrenches

Adjustable Hook Spanner Wrench Sets for Slots on the Side

Adjustable Hook Spanner Wrench Sets for Slots on the Side

A variety of wrenches with heads that pivot to accommodate a range of diameters

Corrosion-Resistant Adjustable Hook Spanner Wrench Sets for Slots on the Side

Corrosion-Resistant Adjustable Hook Spanner Wrench Sets for Slots on the Side

A range of sizes made of stainless steel to resist corrosion

Adjustable Pin Spanner Wrenches for Holes on the Side

Adjustable Pin Spanner Wrenches for Holes on the Side

The head pivots to accommodate a range of diameters

Pin Spanner Wrench Sets for Holes on the Side

Pin Spanner Wrench Sets for Holes on the Side

A variety of wrenches that fit round holes on the side of collars, bearings, and more

Hook Spanner Wrenches for Slots on the Side

Hook Spanner Wrenches for Slots on the Side

Fit into slots on the side of collars, bearings, and other components

Adjustable Hook Spanner Wrenches for Slots on the Side

Adjustable Hook Spanner Wrenches for Slots on the Side

The head pivots to accommodate a range of diameters

Adjustable Pin Spanner Wrench Sets for Holes on the Side

Adjustable Pin Spanner Wrench Sets for Holes on the Side

A variety of wrenches with heads that pivot to accommodate a range of diameters

Long-Reach Adjustable Hook Spanner Wrenches for Slots on the Side

Long-Reach Adjustable Hook Spanner Wrenches for Slots on the Side

Extend your reach and fit two different slot widths

Water Filter Spanner Wrenches

Water Filter Spanner Wrenches

Grip the grooves on plastic filter housings with multiple contact points

Pin Spanner Wrenches for Holes on the Face

Pin Spanner Wrenches for Holes on the Face

Fit round holes on the face of collars, bearings, and other components

Adjustable Pin Spanner Wrenches for Holes on the Face

Adjustable Pin Spanner Wrenches for Holes on the Face

Hinged for adjustability to fit a range of diameters

Corrosion-Resistant Adjustable Hook Spanner Wrenches for Slots on the Side

Corrosion-Resistant Adjustable Hook Spanner Wrenches for Slots on the Side

Made of stainless steel for corrosion resistance

Dual-Size Adjustable Pin Spanner Wrenches for Holes on the Face

Dual-Size Adjustable Pin Spanner Wrenches for Holes on the Face

Reverse the pins when you need to fit different hole sizes

Tight-Clearance Adjustable Pin Spanner Wrenches for Holes on the Face

Tight-Clearance Adjustable Pin Spanner Wrenches for Holes on the Face

Slim profile fits the flanges and nuts on the backing pads of sanders and grinders

Pin Spanner Wrenches for Holes on the Side

Pin Spanner Wrenches for Holes on the Side

Fit round holes on the side of collars, bearings, and other components

Nonsparking Adjustable Hook Spanner Wrenches for Slots on the Side

Nonsparking Adjustable Hook Spanner Wrenches for Slots on the Side

Made of Factory Mutual approved aluminum-bronze to inhibit sparking

Hook Spanner Wrench Sets for Slots on the Side

Hook Spanner Wrench Sets for Slots on the Side

A variety of wrenches that fit into slots on the side of collars, bearings, and more

Multisize Adjustable Pin Spanner Wrenches for Holes on the Face

Multisize Adjustable Pin Spanner Wrenches for Holes on the Face

Change out the pins to fit a different hole size

Square Drive Dual-Size Adjustable Pin Spanner Wrenches for Holes on the Face

Square Drive Dual-Size Adjustable Pin Spanner Wrenches for Holes on the Face

Use your ratchet wrench as a handle

Other Products

Adjustable Wrenches

Adjustable Wrenches

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

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

Sockets

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

Combination Wrenches

Combination Wrenches

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

Water Meter Wrenches

Water Meter Wrenches

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

Wrench Heads

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

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