27 mm Wrenches | McMaster-Carr

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System of Measurement

Drive Size

Wrench Opening Shape

12-Point Sure Grip

Wrench Style

Head Style

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Drive Style

External 12-Point

External Spline

External Square

Overall Length

4 1/2" to 11 7/8"

Number of Pieces

Head Thickness

Ratcheting

Finish

Phosphate Coated

Length

4 1/2" to 11 7/8"

Socket Style

Appearance

Material

420 Stainless Steel

Grade

Square Drive Size

Wrench Type

Relative Length

Opening Angle

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

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

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64 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

Wrench Heads

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

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Bit Sockets

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

L-Keys

Turn fasteners from either end and reach into tight spots

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