UNS Nuts | McMaster-Carr

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System of Measurement

Thread Size

Nut Type

Externally Threaded

Material

Stainless Steel

Width

Height

Hex Nut Profile

Fastener Strength Grade/Class

Thread Direction

Thread Spacing

Finish

Cadmium Yellow-Chromate Plated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Drive Style

Locking Type

Distorted Thread

Thread Pitch

Face Style

Thread Fit

Metric Trapezoidal Class 7H

Unified Standard Class 2B

Unified Standard Class 3B

Performance

Corrosion Resistant

Vibration Resistant

Specifications Met

OD

Length

Fastener Strength Rating

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

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391 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Panel Nuts

Extremely thin for tight spots such as electrical panels; also known as dress nuts

Flange Nuts

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

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

Power Transmission

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

Precision Lead Screw Nuts

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

Precision Lead Screws

Precision Lead Screws

Pair with precision lead screw nuts for accurate starts and stops in your assembly

Ball Screws and Nuts

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

Fluid Handling

Hose Fitting Nuts

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

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