M2.5 Nuts | McMaster-Carr

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System of Measurement

Thread Size

4-40 to 5/16"-32

Nut Type

Material

Stainless Steel

Height

Width

Hex Nut Profile

Thread Pitch

Thread Type

Finish

Zinc Yellow-Chromate Plated

Specifications Met

Fastener Strength Grade/Class

Locking Type

DFARS Specialty Metals

Thread Spacing

Length

Performance

Chemical Resistant

Corrosion Resistant

Flame Retardant

High Temperature

Impact Resistant

Vibration Resistant

RoHS

Compliant with Exemptions

Color

Fastener Strength Rating

Thread Direction

REACH

Drive Style

External Square

Thread Fit

Metric Class 4H

Metric Class 4H6H

Metric Class 6g

Metric Class 6G

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Export Control Classification Number (ECCN)

For Use With

Stainless Steel

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312 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

Locknuts

Hold fasteners in place to prevent loosening from vibration

Square Nuts

Flat sides won’t spin in channels and square holes

Slotted Round Nuts

Slotted Round Nuts

Fasten with a screwdriver in tight spots where there's no room for a wrench

Easy to tighten and loosen by hand for making frequent adjustments

Coupling Nuts

Connect and extend threaded rods

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Standoffs

Separate, position, or connect components in assemblies

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Press-Fit Nut Installation Tools

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

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