Locknut Wrenches | McMaster-Carr

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Spanner Wrench Style

Wrench Style

System of Measurement

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"

Pin Shape

Pin Diameter

Spanner Wrench Adjustability

Sold As

Hook Width

Material

316L Stainless Steel

Overall Length

Drive Size

Hook Depth

For Use With

Rings, Flanges, and Collars

Round and Irregular Objects

Screws and Nuts

Finish

Phosphate Coated

Pin Length

Number of Pieces

Square Drive Size

Export Control Classification Number (ECCN)

REACH

RoHS

DFARS Specialty Metals

Specifications Met

OD

Container Type

Plastic Roll-Up Pouch

Number of Contact Points

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122 Products

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.

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

In addition to a long handle, these wrenches include two heads with different hook widths.

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

These wrenches are made of stainless steel for excellent corrosion resistance.

Nonsparking Adjustable Hook Spanner
Wrenches for Slots on the Side

Made of aluminum-bronze that is Factory Mutual approved, these wrenches inhibit sparking and are nonmagnetic and corrosion resistant. They satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.

Hook Spanner Wrenches for Slots on the Side

Fit these wrenches into slots on the circumference of collars, bearings, and other machine tool components.

Adjustable Hook Spanner Wrench
Sets for Slots on the Side

Adjustable Hook Spanner Wrench Sets for Slots on the Side

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

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

Made of stainless steel, these wrenches have excellent corrosion resistance.

Hook Spanner Wrench Sets for Slots on the Side

Hook Spanner Wrench Sets for Slots on the Side

Sets include various sizes of wrenches that fit into slots on the circumference of collars, bearings, and other machine tool components.

Pin Spanner Wrenches for Holes on the Side

Pin Spanner Wrench Sets for Holes on the Side

Pin Spanner Wrench Sets for Holes on the Side

Sets include various sizes of wrenches that are shaped to fit round holes on the circumference of collars, bearings, and other machine tool components.

Adjustable Pin Spanner Wrench
Sets for Holes on the Side

Adjustable Pin Spanner Wrench Sets for Holes on the Side

The head pivots to accommodate a range of diameters.

Pin Spanner Wrenches for Holes on the Side

These wrenches are shaped to fit round holes on the circumference of collars, bearings, and other machine tool components.

Adjustable Pin Spanner
Wrenches for Holes on the Side

The head pivots to accommodate a range of diameters.

Pin Spanner Wrenches for Holes on the Face

Adjustable Pin Spanner
Wrenches for Holes on the Face

Hinged for adjustability, these wrenches fit a range of diameters.

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

The slim profile fits the flanges and nuts on the backing pads of portable sanders and grinders.

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

Reverse the pins when you need to fit different hole sizes on the face of collars, bearings, and other machine tool components.

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.

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

Change out the pins to fit a different hole size.

Pin Spanner Wrenches for Holes on the Face

Grip the round holes on the face of collars, bearings, and other machine tool components.

Water Filter Spanner Wrenches

Water Filter Spanner Wrenches

Multiple contact points grip the grooves on plastic water filter housings for loosening and removal.

Wrenches and Sockets

Wide-Opening Tight-Clearance
Adjustable Wrenches

The jaws on these wrenches are shaped to turn slip nuts, jam nuts, and large hex nuts.

Open-End 6-Point Socket Sets

The sockets in these sets have a cutout and extra length so you can reach and twist nuts without having to disconnect your line.

Open-End 6-Point Sockets

Slide the open side of these sockets over a tube or hose to adjust a nut that’s already installed.

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