M3 Adapters | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Gender

Hex Length

Hex Size

Length

Thread Length

Shape

Thread Type

Fitting Type

Reducing Adapter

Pitch

For Adapting

Thread Pitch

REACH

Pipe Size

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

OD

Finish

Phosphate Coated

Tube OD

Drive Style

Screw Size

Thread Fit

Metric Class 4H6H

Metric Class 6g

Metric Class 6G

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Fitting Connection

Push to Connect

Spec Image

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398 Products

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Weld Nuts

Weld to metal surfaces to add permanent threads

Standoffs

Separate, position, or connect components in assemblies

Fluid Handling

Pipe and Fittings

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

Measuring and Inspecting

Probe Stylus Accessories

Probe Stylus Accessories

Add components that extend length, adapt threads, or hold multiple styli at once

Electrical

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Power Transmission

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Torque Limiters

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

Brakes

Control how much and how quickly your drive system slows down

U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

Material Handling

Gripper Compensation Devices

Gripper Compensation Devices

Let grippers grab uneven parts to avoid jams during assembly, picking, and machine tending

Robot Tool Mounts

Robot Tool Mounts

Attach tools or extensions to robot arms

Robot Tool Changers

Robot Tool Changers

Switch out your end-of-arm tools quickly and easily

Building and Machinery Hardware

Positioning Arms

Positioning Arms

Mount and position tools, small electronics, and displays

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