Threaded Plastic Inserts | McMaster-Carr

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System of Measurement

Thread Size

Material

Silicone Rubber

Stainless Steel

Threaded Insert Type

For Use In

Thread Insert Style

Installed Length

Less than 0.125"

0.125" to 0.249"

0.25" to 0.374"

0.375" to 0.499"

0.5" or greater

10 mm to 14.9 mm

15 mm to 19.9 mm

20 mm or greater

End Type

Thread Type

Drill Bit Size

Thread Pitch

Nut Type

Thread Spacing

Body Length

For Material Thickness

0.020" to 0.079"

0.020" to 0.080"

0.020" to 0.130"

0.020" to 0.175"

0.020" to 0.280"

0.027" to 0.150"

0.027" to 0.165"

0.030" to 0.090"

0.060" to 0.118"

0.060" to 0.138"

0.080" to 0.130"

0.118" to 0.217"

0.130" to 0.225"

0.138" to 0.236"

0.150" to 0.312"

0.165" to 0.260"

0.175" to 0.320"

0.236" to 0.335"

Thread Fit

Metric Class 4H

Metric Class 5H

Metric Class 6G

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

Length

Flange Diameter

Tensile Strength

Less than 20,000 psi

20,000 psi to 50,999 psi

51,000 psi to 59,999 psi

60,000 psi to 99,999 psi

100,000 psi or greater

Rivet Nut Body Shape

Screw Size

How can we improve?

1,436 Products

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Rivet Nuts

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

Snap-In Nuts

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

Press-Fit Nuts

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

Socket Nuts

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

Anchors

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

Press-Fit Nut Installation Tools

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

Building and Machinery Hardware

Leveling Mounts

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

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.)