Spanners | McMaster-Carr

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Wrench Style

System of Measurement

Drive Size

Wrench Opening Shape

12-Point Sure Grip

Head Style

Sold As

Drive Style

Drilled Spanner

External 12-Point

External Pentagon

External Spline

External Square

Tamper-Resistant Hex

Tamper-Resistant Torx

Overall Length

Material

Beryllium Copper

Stainless Steel

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"

1 37/64" to 1 21/32"

1 49/64" to 1 31/32"

Spanner Wrench Style

Finish

Magnesium Phosphate Coated

Phosphate Coated

Length

Ratcheting

Pin Diameter

Square Drive Size

Head Thickness

Socket Shape

For Use With

CNC Retention Knobs

Fire Hose Fittings

Rings, Flanges, and Collars

Round and Irregular Objects

Screws and Nuts

Appearance

Pin Shape

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

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

2,709 Products

Fastening and Joining

Spanner Wrenches

Spanner Wrenches

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

Combination Wrenches

Combination Wrenches

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

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Adjustable Wrenches

Adjustable Wrenches

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

Socket Wrenches

Socket Wrenches

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

Sockets

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

Wrench Heads

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

Tank Wrenches

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Drain Wrenches

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Ratchet Wrench/Screwdrivers

Ratchet Wrench/Screwdrivers

Switch between sockets and bits to turn a variety of fasteners with a single tool

Fire Hose and Hydrant Wrenches

Fire Hose and Hydrant Wrenches

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

Water Meter Wrenches

Water Meter Wrenches

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

Socket Adapters

Socket Adapters

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

Wrench Handles

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

Retaining Ring Pliers

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Screwdrivers

Tighten and loosen screws

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

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