Inserts for Plastics | McMaster-Carr

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Thread Size

System of Measurement

Material

18-8 Stainless Steel

Installed Length

Less than 0.25"

0.25" to 0.374"

0.375" to 0.499"

0.75" or greater

10 mm to 14.9 mm

15 mm to 19.9 mm

20 mm or greater

Threaded Insert Type

For Use In

Thread Insert Style

End Type

Thread Type

Thread Pitch

Drill Bit Size

Body Length

Thread Spacing

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

REACH

RoHS

Compliant with Exemptions

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

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Hole Diameter

Specifications Met

Number of Inserts Included

Threading

Partially Threaded

Thread Length

How can we improve?

983 Products

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Socket Nuts

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

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