3/8"-24 Inserts | McMaster-Carr

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System of Measurement

Threaded Insert Type

Material

For Tap Thread Size

For Use In

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Helical Insert Type

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Key-Locking Insert Wall Type

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Thick

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Military Specification

For Material Thickness

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3B

DFARS Specialty Metals

RoHS

Compliant with Exemptions

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REACH

Compliant

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Export Control Classification Number (ECCN)

EAR99

Tensile Strength

40,000 psi to 49,999 psi

50,000 psi to 99,999 psi

100,000 psi or greater

Specifications Met

270 Products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

72 products

Press-Fit Nuts

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

3 products

Weld Nuts

Weld to metal surfaces to add permanent threads

29 products

Rivet Nuts

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

6 products

Rivet-Mount Nuts

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

2 products

Socket Nuts

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

2 products

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

13 products

Threaded Insert Installation Tools

Install helical, key-locking, slotted-drive, and other threaded inserts

19 products

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

Fabricating and Machining

Taps

Cut internal threads for fasteners, pipe, conduit, and more

3 products

Building and Machinery Hardware

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

5 products

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

6 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

9 products

Leveling Mounts

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

17 products