Machine Screw Inserts | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Threaded Insert Type

For Use In

Installed Length

Less than 0.25"

0.25" to 0.499"

10 mm to 19.9 mm

20 mm to 24.9 mm

25 mm or greater

Nut Type

Thread Type

Thread Pitch

For Tap Thread Size

Drill Bit Size

Thread Direction

End Type

Thread Spacing

Finish

Cadmium Yellow-Chromate Plated

Dry Film Lubricated

Neoprene Coated

Phosphate Coated

Tin Zinc Plated

Zinc Yellow-Chromate Plated

DFARS Specialty Metals

Helical Insert Style

Export Control Classification Number (ECCN)

Length

RoHS

Compliant with Exemptions

Thread Insert Style

REACH

Rivet Nut Body Shape

Thread Fit

Metric Class 4H

Metric Class 4H5H

Metric Class 4H6H

Metric Class 5H

Metric Class 6G

Metric Class 6H

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

For Tap Type

For Material Thickness

0.000" to 0.197"

0.010" to 0.075"

0.010" to 0.080"

0.010" to 0.085"

0.01" to 0.165"

0.015" to 0.050"

0.015" to 0.094"

0.015" to 0.156"

0.015" to 0.188"

0.015" to 0.437"

0.015" to 0.643"

0.016" to 0.188"

0.020" to 0.079"

0.020" to 0.080"

How can we improve?

5,830 Products

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Press-Fit Nuts

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

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Weld Nuts

Weld to metal surfaces to add permanent threads

Snap-In Nuts

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

Screw-Mount Nuts

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

Rivet-Mount Nuts

Rivet-Mount Nuts

Add threads in hard-to-reach areas and materials that are too thin to be tapped

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Clip-On Nuts

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

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

Socket Nuts

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

Snap-In Nut Tools

Snap-In Nut Tools

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

Fabricating and Machining

Thread Repair Tools

Thread Repair Tools

Restore lengths of rusted and damaged threads on screws, pipe, or conduit

Building and Machinery Hardware

Leveling Mount Inserts

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

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