Washer Locknuts | McMaster-Carr

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Thread Size

Material

Phosphor Bronze

Stainless Steel

Nut Type

System of Measurement

Finish

Black Zinc Plated

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Locking Type

Distorted Thread

Screw Size

Tooth Location

Internal and External

Washer Type

Thread Type

Height

Width

Fastener Strength Grade/Class

Pipe Size

Thread Pitch

Hex Nut Profile

Flange Diameter

ID

Performance

Corrosion Resistant

High Temperature

Vibration Resistant

OD

Fitting Type

Specifications Met

ANSI/MSS SP-114

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

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1,154 Products

Fastening and Joining

Flange Nuts

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

Locknuts

Hold fasteners in place to prevent loosening from vibration

Push Nuts

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

Lock Washers

Resist vibration to prevent fasteners from loosening

Fluid Handling

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

Electrical

Conduit Locknuts

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

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