M3 Inserts | McMaster-Carr

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System of Measurement

Installed Length

10 mm to 19.9 mm

20 mm to 24.9 mm

Material

Stainless Steel

Thread Insert Style

Thread Pitch

For Use In

Threaded Insert Type

End Type

Thread Type

Body Length

Drill Bit Size

Thread Fit

Metric Class 4H

Metric Class 4H6H

Metric Class 6g

Metric Class 6G

Metric Class 6H

Thread Direction

Nut Type

Flange Diameter

Thread Spacing

REACH

Press-Fit Head Shape

For Tap Thread Size

Tensile Strength

Less than 20,000 psi

20,000 psi to 39,999 psi

40,000 psi to 49,999 psi

50,000 psi to 99,999 psi

100,000 psi or greater

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Length

For Material Thickness

0.400 mm to 4.000 mm

0.760 mm to 2.290 mm

9.500 mm to 13.000 mm

How can we improve?

280 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

Studs

Press, weld, or screw in place to add a threaded fastening point

Socket Nuts

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

Single-End Studs

Single-End Studs

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

Threaded Insert Installation Tools

Threaded Insert Installation Tools

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

Press-Fit Nut Installation Tools

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

Rivet Nut Tools

Rivet Nut Tools

Install rivet nuts

Threaded Insert Removal Tools

Threaded Insert Removal Tools

Turn counterclockwise to extract helical inserts

Prong Break-Off Tools for Threaded Inserts

Prong Break-Off Tools for Threaded Inserts

The spring-loaded punch breaks the prong off installed inserts

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Fluid Handling

Bore Sealing Plugs

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

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