Flat Wrenches | McMaster-Carr

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12-Point Sure Grip

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External 12-Point

External Spline

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Ratcheting

Finish

Phosphate Coated

Material

Aluminum Bronze

Stainless Steel

Number of Heads

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RoHS

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Export Control Classification Number (ECCN)

DFARS Specialty Metals

Appearance

Number of Pieces

Relative Length

Square Drive Size

Head Offset Angle

Specifications Met

Fed. Spec. GGG-W-001405

Performance

Corrosion Resistant

Electrically Insulating

High Visibility

Reversible Ratcheting

Jaw Capacity

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1,632 Products

Open-End Wrenches

Open-End Wrenches

Open-End Wrenches

Slip on fasteners from the side to adjust them in tight spots

Open-End Wrenches for Army-Navy Fittings

Open-End Wrenches for Army-Navy Fittings

Securely tighten AN (Army-Navy) fittings without rounding corners

Open-End Wrench Sets for Army-Navy Fittings

Open-End Wrench Sets for Army-Navy Fittings

Securely tighten various AN (Army-Navy) fittings without rounding corners

Tight-Clearance Open-End Wrenches

Tight-Clearance Open-End Wrenches

Twist thin fasteners in cramped spots where bulky wrenches can't go

Tight-Clearance Open-End Wrench Sets

Tight-Clearance Open-End Wrench Sets

Twist a variety of thin fasteners in cramped spots where other wrenches won't fit

Double Open-End Wrenches

Double Open-End Wrenches

Switch between two different-sized fasteners without swapping out your wrench

Double Open-End Wrench Sets

Double Open-End Wrench Sets

Switch between two different-sized fasteners without swapping out your wrenches

Tight-Clearance Double Open-End Wrenches

Tight-Clearance Double Open-End Wrenches

Twist two different-sized, thin fasteners in tight nooks without changing your wrench

Tight-Clearance Double Open-End Wrench Sets

Tight-Clearance Double Open-End Wrench Sets

Twist two different-sized, thin fasteners in tight nooks without changing your wrenches

Tight-Clearance Angled Open-End Wrenches

Tight-Clearance Angled Open-End Wrenches

Use 60° or 75° angled heads to reach around obstacles

Tight-Clearance Angled Open-End Wrench Sets

Tight-Clearance Angled Open-End Wrench Sets

Keep an array of sizes handy to turn thin, awkwardly placed fasteners

Miniature Open-End Wrenches

Miniature Open-End Wrenches

Take on precision tasks with extra slim heads

Miniature Open-End Wrench Sets

Miniature Open-End Wrench Sets

Take on a range of precision tasks with extra slim heads

Sure-Grip Open-End Wrenches

Sure-Grip Open-End Wrenches

Get a firm hold on flare nuts and fittings to create leak-tight seals

Sure-Grip Open-End Wrench Sets

Sure-Grip Open-End Wrench Sets

Get a firm hold on a variety of flare nuts and fittings to create seals

Strikable Open-End Wrenches

Strikable Open-End Wrenches

Strike the handle with a hammer to break stuck fasteners free

Open-End Wrenches for Hole Alignment

Open-End Wrenches for Hole Alignment

Line up holes to insert bolts, then flip the wrench around to tighten

Stubby Open-End Wrenches

Stubby Open-End Wrenches

Make full turns in spots without clearance for full-sized tools

Stubby Open-End Wrench Sets

Stubby Open-End Wrench Sets

Make full turns in spots without clearance for full-sized tools

Nonsparking Open-End Wrenches

Nonsparking Open-End Wrenches

Safely turn nuts and bolts in hazardous environments

Other Products

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

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.)