3/8"-16 Cap Nuts | McMaster-Carr

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Material

Stainless Steel

Nut Type

Cap Nut Profile

Thread Depth

Height

Width

Finish

Corrosion-Resistant Coated

Color

Thread Type

Fastener Strength Grade/Class

Thread Spacing

Locking Type

Distorted Thread

Cap Color

Performance

Corrosion Resistant

Metal Detectable

Vibration Resistant

X-Ray Detectable

Drive Style

Environment

Food and Beverage

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Thread Fit

Unified Standard Class 2B

Unified Standard Class 3B

Fastener Strength Rating

Insert Maximum Temperature

Maximum Temperature

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34 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

Open-End Cap Nuts

Open-End Cap Nuts

Thread onto screws of any length

Other Products

Terminal Covers

Terminal Covers

Block out dirt and corrosion to protect battery terminals

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