Flat Wrenches | McMaster-Carr

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Drive Size

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12-Point Sure Grip

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Drive Style

External 12-Point

External Spline

External Square

Overall Length

Ratcheting

Finish

Phosphate Coated

Material

Aluminum Bronze

Stainless Steel

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REACH

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Export Control Classification Number (ECCN)

DFARS Specialty Metals

Appearance

Jaw Type

Number of Pieces

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Square Drive Size

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Specifications Met

Fed. Spec. GGG-W-001405

Performance

Corrosion Resistant

Electrically Insulating

High Visibility

Reversible Ratcheting

Tight Clearance

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1,632 Products

Fastening and Joining

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Combination Wrenches

Combination Wrenches

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Adjustable Wrenches

Adjustable Wrenches

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

Wrench Heads

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

Sealing

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

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