6-40 Nuts | McMaster-Carr

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Thread Size

4-40 to 5/16"-32

Material

Stainless Steel

Nut Type

Width

Height

Thread Spacing

Hex Nut Profile

Thread Type

System of Measurement

Thread Direction

Locking Type

Finish

Specifications Met

Performance

Corrosion Resistant

Vibration Resistant

Export Control Classification Number (ECCN)

REACH

RoHS

DFARS Specialty Metals

Fastener Strength Rating

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Minimum Temperature

-49° F to 0° F

Maximum Temperature

Less than 250° F

Drive Style

Color

Flange Thickness

Flange Diameter

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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.)