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

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System of Measurement

Thread Size

4-40 to 5/16"-32

Hex Nut Profile

Fastener Strength Grade/Class

Material

Stainless Steel

Nut Type

Height

Thread Direction

Width

Finish

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Thread Type

UN/UNF (SAE 45°)

Thread Spacing

Specifications Met

Fastener Strength Rating

Locking Type

Distorted Thread

Thread Fit

Unified Standard Class 2B

Unified Standard Class 3B

Performance

Corrosion Resistant

Vibration Resistant

Drive Style

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Length

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Threading

Thread Depth

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97 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Coupling Nuts

Connect and extend threaded rods

Cap Nuts

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Power Transmission

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Fluid Handling

Tube and Tube Fittings

Tube and Tube Fittings

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

Hose and Hose Fittings

Hose and Hose Fittings

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

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