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

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Thread Size

4-40 to 5/16"-32

Hex Nut Profile

Fastener Strength Grade/Class

Nut Type

Material

Stainless Steel

Thread Direction

Height

Width

Finish

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

System of Measurement

Thread Type

UN/UNF (SAE 45°)

Fastener Strength Rating

Thread Spacing

Locking Type

Distorted Thread

Specifications Met

Performance

Corrosion Resistant

Vibration Resistant

Length

Thread Fit

Unified Standard Class 2B

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Drive Style

Fitting Type

Threading

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67 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.)