Captive Nuts | McMaster-Carr

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System of Measurement

Thread Size

Nut Type

Panel Thickness

Material

For Use With

Finish

Cadmium Yellow-Chromate Plated

Height

PEM® Part Number

Head Height

Thread Type

Drill Bit Size

Snap-In Nut Shape

Rectangular with Floating Nut

Round

Square

Clip-On Nut Type

With Enclosed Hex Nut

With Floating Square Nut

Head OD

Thread Pitch

Thread Spacing

Width

RoHS

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Drill Bit Decimal Size Equivalent

REACH

Screw Size

Export Control Classification Number (ECCN)

EAR99

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

Thread Fit

Unified Standard Class 2B

Unified Standard Class 3B

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615 Products

Fastening and Joining

Press-Fit Nuts

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

457 products

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

99 products

Clip-On Nuts

Slide onto the edge of thin panels to create a fastening point

26 products

Weld Nuts

Weld to metal surfaces to add permanent threads

26 products

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

2 products

Snap-In Nut Tools

Compress the legs of snap-in nuts so they're easy to install and remove

3 products

Electrical Power, Networking, and Controlling

Electronics Rack Equipment Installation Supports

Create temporary ledges to support heavy equipment as you mount it to a rack

4 products