Metric Adapters | McMaster-Carr

Filter by

System of Measurement

Thread Size

Thread Type

UN/UNF (SAE Straight)

Fitting Type

Gender

Pipe Size

Material

Shape

Connects To

Fitting Connection

Tube OD

Thread Pitch

For Use With

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (10% Concentration)

Length

Pitch

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Maximum Pressure @ Temperature

REACH

RoHS

Compliant with Exemptions

Hex Length

Specifications Met

Regulation (EC) No. 1935/2004

Body Shape

For Adapting

Thread Length

12,510 Products

Most Likely Products

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

1,196 products

Thread Adapters

Join threads of a different type, size, and gender

2,341 products

Tube Fittings

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

3,979 products

Conduit and Cord Grip Thread Adapters

Connect to fittings and openings that have a different thread type

28 products

All Results

Fluid Handling

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

1,196 products

Pipe Nipples and Pipe

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

37 products

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

10 products

Tube Fittings

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

3,979 products

Tube Fitting Sleeves

Pair with nuts and fittings to form a secure connection on tubing

21 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

10 products

Tube Supports

Slip into plastic and rubber tubing to prevent them from collapsing

16 products

Tube Fitting Clamps

Quickly secure connections between tube fittings, including sanitary and high-vacuum fittings

14 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

682 products

Manifolds

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

23 products

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

2 products

Duct Hose and Fittings

Connect to blowers and vacuums to move air, fumes, dust, chips, and liquids

5 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

2 products

Valve Stem Adapters

Connect valve stems to actuators with an ISO 5211 hole pattern

7 products

On-Off Valves

Start and stop flow through a line

8 products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

2,341 products

Threaded Inserts

Create new threads or repair stripped threads

243 products

Weld Nuts

Weld to metal surfaces to add permanent threads

133 products

Adhesive-Mount Nuts

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

64 products

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

373 products

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

169 products

Studs

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

6 products

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

18 products

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

9 products

Socket Inserts

Slip into sockets to keep fasteners from falling out

2 products

Screwdriver Bits

Pair with drivers to turn screws

3 products

Electrical

Conduit and Cord Grip Thread Adapters

Connect to fittings and openings that have a different thread type

28 products

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

33 products

DIN Rail Mounting Adapters

Attach to components not made for DIN rail and clip on to install

10 products

DIN Rail Mounting Brackets

Create space behind rails to fit wiring and bulky components

12 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

10 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

1 product

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

12 products

Electrical Cords

Connect equipment and devices to a power supply

6 products

Switch Mounts

Mount sensor switches to panel cutouts, tank walls, or conveyors

4 products

Lubricating

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

11 products

Coolant Hose and Nozzle Adapters

Connect threaded coolant hose and nozzles to coolant supply ports on equipment such as CNC machines

3 products

Coolant Nozzles

Dispense coolant onto workpieces or tools directly from a tank

7 products

Power Transmission

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

1,175 products

U-Joints

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

18 products

Rod Ends

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

559 products

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

8 products

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

8 products

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

5 products

Swivel Joints

Handle shaft misalignment where ball joint rod ends won’t fit; also known as spherical bearings

34 products

Hydraulic Cylinder Mounts

Restrain cylinders and secure loads to the end of the rod

1 product

Air Cylinder Mounts

Secure air cylinders to surfaces with brackets, rod clevises, and flanges

45 products

Air Cylinders

Push and pull loads to do everything from stamping materials to sorting parts on conveyors

151 products

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

15 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

223 products

Torque Limiters

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

14 products

Material Handling

Robot Tool Mounts

Attach tools or extensions to robot arms

77 products

Vacuum Lifter Accessory and Replacement Parts

Add accessories such as sensors or replace cups and other parts on your vacuum lifter

12 products

Vacuum Lifter Dampers

Stick onto vacuum lifters to create a soft surface for moving delicate parts

5 products

Containers, Storage, and Furniture

Drum Plugs

Seal drum lid openings

2 products

Measuring and Inspecting

Outside Micrometer Tips

Adapt your micrometer to measure curved and irregularly shaped objects, such as gear teeth and pipe

1 product

Building and Machinery Hardware

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

15 products