7 mm Wrenches | McMaster-Carr

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System of Measurement

Drive Size

Wrench Style

Wrench Opening Shape

12-Point Sure Grip

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Head Style

Number of Pieces

Drive Style

Drilled Spanner

External 12-Point

External Spline

External Square

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

Ratcheting

Overall Length

1 1/2" to 1 3/4"

1 1/2" to 1 7/8"

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Head Thickness

Appearance

Container Type

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Clip Rail

Plastic Roll-Up Pouch

Relative Length

Material

Stainless Steel

Grade

Wrench Type

Square Drive Size

Length

1 1/2" to 1 3/4"

1 1/2" to 1 7/8"

Number of Heads

For Use With

Screws and Nuts

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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164 Products

Fastening and Joining

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

Bit Sockets

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

Sockets

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Wrench Heads

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

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

L-Keys

Turn fasteners from either end and reach into tight spots

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Screwdrivers

Tighten and loosen screws

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Driver Shafts

Attach to a handle to create your own driver tool, or pair with socket wrenches and power tools

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