Acorn Nuts | McMaster-Carr

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Material

Stainless Steel

Cap Nut Profile

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Corrosion-Resistant Coated

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Distorted Thread

Performance

Chemical Resistant

Corrosion Resistant

Metal Detectable

Vibration Resistant

X-Ray Detectable

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External Square

Thread Fit

Metric Class 6H

Unified Standard Class 2B

Unified Standard Class 3B

REACH

DFARS Specialty Metals

Environment

Food and Beverage

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Specifications Met

Fastener Strength Rating

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441 Products

Cap Nuts

Cap Nuts

The most commonly used cap nuts

Cap Nut Assortments

Cap Nut Assortments

A range of sizes to fasten a variety of parts

Nylon-Insert Cap Nuts

Nylon-Insert Cap Nuts

A nylon insert prevents loosening from moderate vibration

Cap Nuts with Threadlocker

Cap Nuts with Threadlocker

A nylon patch on the threads resists loosening from mild vibration

Distorted-Thread Cap Nuts

Distorted-Thread Cap Nuts

Irregularly shaped threads grip better than a nylon insert

Sealing Cap Nuts

Sealing Cap Nuts

Keep out liquid, debris, and other contaminants

High-Profile Cap Nuts

Cover extra-long screws without cutting them

High-Heavy-Profile Cap Nuts

Large gripping area keeps wrenches from slipping off as you tighten

Sanitary Cap Nuts

Sanitary Cap Nuts

Free of crevices where bacteria can grow

High-Profile Sanitary Cap Nuts

Cover and protect 4" of exposed threads in food plants and other sanitary environments

Open-End Cap Nuts

Open-End Cap Nuts

Thread onto screws of any length

Other Products

Protective Caps

Protective Caps

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

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