M2 Nuts | McMaster-Carr

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System of Measurement

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Nut Type

Material

Height

Width

Hex Nut Profile

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Finish

Zinc Yellow-Chromate Plated

Thread Fit

Unified Standard Class 2B

Length

Fastener Strength Grade/Class

Thread Type

Metric Rounded Trapezoidal

Specifications Met

Thread Direction

Thread Spacing

Locking Type

Performance

Fastener Strength Rating

Drive Style

Color

REACH

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

EAR99

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153 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

25 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

4 products

Square Nuts

Flat sides won’t spin in channels and square holes

1 product

Coupling Nuts

Connect and extend threaded rods

8 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

4 products

Socket Nuts

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

2 products

Press-Fit Nuts

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

19 products

Threaded Inserts

Create new threads or repair stripped threads

54 products

Standoffs

Separate, position, or connect components in assemblies

2 products

Thread Adapters

Join threads of a different type, size, and gender

1 product

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

1 product

Power Transmission

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

32 products

Fabricating and Machining

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

1 product