High-Strength Nuts | McMaster-Carr

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System of Measurement

Thread Size

Fastener Strength Grade/Class

Nut Type

Material

Stainless Steel

Finish

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Hex Nut Profile

Height

Width

Thread Pitch

Thread Direction

Fastener Strength Rating

Performance

Corrosion Resistant

High Temperature

Seize Resistant

Vibration Resistant

Thread Spacing

Thread Type

Locking Type

Distorted Thread

Specifications Met

Fed. Spec. FF-N-836

Drive Style

Length

Thread Fit

Metric Class 4H5H

Metric Class 4H6H

Metric Class 6H

Unified Standard Class 2B

Unified Standard Class 3B

DFARS Specialty Metals

Flange Diameter

REACH

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Color

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Fastening and Joining

Hex Nuts

Handle most general fastening needs

Flange Nuts

The flange distributes pressure, so you don't need a washer

Locknuts

Hold fasteners in place to prevent loosening from vibration

Coupling Nuts

Connect and extend threaded rods

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

Cap Nuts

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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

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