1 1/4"-12 Nuts | McMaster-Carr

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Zinc Yellow-Chromate Plated

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Unified Standard Class 2B

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97 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

31 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

14 products

Coupling Nuts

Connect and extend threaded rods

2 products

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

2 products

Weld Nuts

Weld to metal surfaces to add permanent threads

4 products

Threaded Inserts

Create new threads or repair stripped threads

38 products

Power Transmission

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

2 products

Fluid Handling

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

1 product

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

2 products