M4 Inserts | McMaster-Carr

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System of Measurement

Material

Stainless Steel

Installed Length

0.25" to 0.499"

10 mm to 19.9 mm

20 mm to 24.9 mm

Thread Pitch

Threaded Insert Type

For Use In

Thread Type

End Type

Thread Insert Style

Body Length

Drill Bit Size

Thread Fit

Metric Class 4H

Metric Class 4H6H

Metric Class 6g

Metric Class 6G

Metric Class 6H

For Tap Thread Size

Nut Type

Thread Spacing

Flange Diameter

Thread Direction

Rivet Nut Body Shape

REACH

RoHS

Compliant with Exemptions

For Material Thickness

0.000 mm to 5.000 mm

0.25 mm to 5 mm

0.400 mm to 4.000 mm

0.500 mm to 2.000 mm

0.500 mm to 2.500 mm

0.5 mm to 4.2 mm

0.5 mm to 6.6 mm

0.700 mm to 3.300 mm

0.760 mm to 2.290 mm

2.000 mm to 3.300 mm

3.000 mm to 5.500 mm

5.000 mm to 10.000 mm

Number of Inserts Included

DFARS Specialty Metals

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

Export Control Classification Number (ECCN)

How can we improve?

491 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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Studs

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

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

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

Fabricating and Machining

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

Building and Machinery Hardware

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

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.)