Half Nuts | McMaster-Carr

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Hex Nut Profile

System of Measurement

Thread Size

Material

Height

Nut Type

Thread Direction

Width

Thread Pitch

Finish

Cadmium Yellow-Chromate Plated

Chrome Plated

Corrosion-Resistant Coated

Dyed

Galvanized

Glazed

Molybdenum Disulfide Coated

Zinc Yellow-Chromate Plated

Thread Type

Thread Spacing

Fastener Strength Grade/Class

Specifications Met

Locking Type

Thread Fit

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3B

Performance

Corrosion Resistant

Electrically Insulating

Fastener Strength Rating

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Diameter

1,431 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

917 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

290 products

Socket Nuts

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

2 products

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

4 products

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

3 products

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

4 products

Weld Nuts

Weld to metal surfaces to add permanent threads

4 products

Standoffs

Separate, position, or connect components in assemblies

40 products

Retaining Rings

Hold components on a shaft

16 products

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

17 products

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

56 products

Fluid Handling

Tube and Tube Fittings

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

38 products

Power Transmission

Precision Lead Screw Nuts

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

9 products

Lead Screw Nuts

Mate with lead screws to move components in a straight line

1 product

Material Handling

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

24 products

Building and Machinery Hardware

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

5 products