Metric Sockets | McMaster-Carr

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13,058 Products

Fastening and Joining

Sockets

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

799 products

Bit Sockets

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

392 products

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

47 products

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

21 products

Socket Bits

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

18 products

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

193 products

Socket Inserts

Slip into sockets to keep fasteners from falling out

2 products

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

2 products

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

23 products

Screwdrivers

Tighten and loosen screws

2 products

Nutdrivers

Tighten and loosen nuts and bolts

46 products

Impact Drivers

More powerful than drills to drive screws through dense material and loosen stuck fasteners

1 product

Bit Adapters

Connect a variety of bits to drills, powered screwdrivers, ratchet wrenches, and other turning tools

1 product

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

22 products

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

2,891 products

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

1,460 products

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

1,156 products

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

1,561 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

2,568 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

44 products

Coupling Nuts

Connect and extend threaded rods

183 products

Hex Nuts

Handle most general fastening needs

14 products

Thread Adapters

Join threads of a different type, size, and gender

706 products

Electrical Power, Networking, and Controlling

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

123 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

33 products

CB Radio Sockets

Pair with receptacles to connect CB radios

1 product

Solenoid Valve Sockets

Pair with plugs or receptacles to connect solenoid components

1 product

RJ45 Plugs

Pair with sockets or receptacles to make Ethernet connections

1 product

HDMI Adapters

Convert one HDMI size or style to another

1 product

Metric Circular Cords

Send power and signal to equipment with metric connections

294 products

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

16 products

USB Cords

Transfer data between computers, printers, and mobile devices

1 product

Ethernet Cords

Send data between computers, printers, servers, and switches

7 products

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

2 products

Power Cords

Connect equipment and devices to a power source

4 products

Electrical Connector Caps

Protect data connectors when not in use

2 products

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

8 products

Fluid Handling

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

177 products

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

58 products

Power Transmission

Swivel Joints

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

34 products

Rod End Inserts

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

5 products

Rod End Seals

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

8 products

Gas Spring End Fittings

Connect gas springs to mounting studs and brackets

52 products

Containers, Storage, and Furniture

Socket Organizers

Arrange sockets at your workstation or carry them neatly around your facility

8 products

Communication

Reference Charts

Check decimal equivalents, drill sizes, or specifications for socket screws

1 product