6-40 Nuts | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Nut Type

Width

Height

Thread Spacing

Thread Type

Hex Nut Profile

Thread Direction

Finish

Locking Type

Specifications Met

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Performance

Corrosion Resistant

Vibration Resistant

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Fastener Strength Rating

Drive Style

Minimum Temperature

-49° F to 0° F

Maximum Temperature

Less than 250° F

Flange Diameter

Flange Thickness

Color

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Fastening and Joining

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

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

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

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