M8 Connectors | McMaster-Carr

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1,720 Products

Electrical Power, Networking, and Controlling

Metric Circular Connectors

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

41 products

Power Receptacles

Install in a wall or panel to transmit power to plugs or sockets

5 products

Metric Circular Cords

Send power and signal to equipment with metric connections

142 products

Ethernet Cords

Send data between computers, printers, servers, and switches

35 products

USB Cords

Transfer data between computers, printers, and mobile devices

1 product

Distribution Blocks

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

4 products

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

1 product

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

1 product

Conduit Locknuts

Secure threaded conduit fittings to knockouts in outlet boxes or enclosures

1 product

Building and Machinery Hardware

T-Slotted Framing Structural Brackets

Join T-slotted rail surfaces and corners to build virtually any structure

143 products

T-Slotted Framing Hinges

Install swinging components such as doors, gates, and lids on T-slotted framing structures

30 products

T-Slotted Framing Mounts

Connect tubes, switches, casters, and other components to T-slotted rails

33 products

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

53 products

T-Slotted Framing Brace Ends

Pair with a T-slotted rail to make a brace of any length

12 products

T-Slotted Framing Braces

Reinforce joined corners of T-slotted rails for a sturdier connection than structural brackets

18 products

T-Slotted Framing Conveyor End Stops

Halt totes, boxes, and other objects at the end of a T-slotted framing conveyor line

1 product

T-Slotted Framing Toggle Clamps

Flip the handle to hold and release parts along T-slotted framing work surfaces

1 product

T-Slotted Framing Panel Hangers

Install solid and mesh panels on T-slotted rails to add guards and partitions

16 products

T-Slotted Framing Feet

Level T-slotted framing structures and anchor them to the floor

22 products

T-Slotted Framing Handles

Add a grip to open and close doors, windows, and drawers or move T-slotted framing structures

12 products

T-Slotted Framing Locking Collars

Clamp and release telescoping T-slotted rails to make adjustments

1 product

T-Slotted Framing Locks and Latches

Keep T-slotted framing doors and windows closed; restrict access with a slide bolt or key

7 products

T-Slotted Framing Drill Jigs

Guide bits to drill straight, accurate holes in T-slotted rails

4 products

T-Slotted Framing Roller Wheels

Attach to panels, frames, and other components to move them along T-slotted rails

2 products

T-Slotted Framing Rail Slides

Pass T-slotted rails alongside each other to move components such as drawers, panels, and doors

3 products

T-Slotted Framing Bumpers

Cushion doors and other moving parts on T-slotted framing to prevent damage and reduce noise

3 products

T-Slotted Framing Cable Holders

Route wire, cable, and tubing along T-slotted rails

2 products

T-Slotted Framing Linear Bearings

Reduce friction in repeated and automated motion along T-slotted framing

8 products

T-Slotted Framing Tool Holders

Magnets, hooks, and cups store hand tools along T-slotted framing until you’re ready to use them

19 products

T-Slotted Framing Track Rollers

Load rated for carrying door frames and other hardware along a T-slotted framing track system

7 products

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

1 product

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

11 products

Positioning Arms

Mount and position tools and other small equipment

3 products

Brackets

Connect surfaces in an assembly

3 products

Fluid Handling

Tube and Tube Fittings

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

45 products

Pipe and Pipe Fittings

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

52 products

Hose and Hose Fittings

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

20 products

Manifolds

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

6 products

Junction Blocks

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

1 product

On-Off Valves

Start and stop flow through a line

33 products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

471 products

Coupling Nuts

Connect and extend threaded rods

17 products

Hex Nuts

Handle most general fastening needs

1 product

Standoffs

Separate, position, or connect components in assemblies

2 products

Studs

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

36 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

4 products

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

1 product

Single-End Studs

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

7 products

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

13 products

Weld Nuts

Weld to metal surfaces to add permanent threads

25 products

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

5 products

Adhesive-Mount Nuts

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

10 products

Material Handling

Mounts for Vacuum Cups and Lifters

Mount vacuum cups or vacuum lifters to surfaces

2 products

Conveyors

Roller, skate wheel, ball transfer, belt, and vacuum conveyors

14 products

Conveyor Guide Clamps

Connect conveyor guides to each other and secure them in place

1 product

Beam Clamps

Secure lines of pipe and duct, overhead equipment, and lighting fixtures to beam flanges

1 product

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

12 products

Tie-Down Rings

Use as fixed anchor points

1 product

Power Transmission

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

57 products

Rod End Nuts

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

2 products

Rod Ends

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

98 products

Gas Spring End Fittings

Connect gas springs to mounting studs and brackets

30 products

Gas Spring Mounts

Attach gas springs to panels, lids, and doors using a bracket or stud

5 products

Electric Slides

Move parts with precision in electronics, robotics, and other automated processes

17 products

Lubricating

Grease Fitting Adapters

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

4 products

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

39 products

Coolant Nozzles

Dispense coolant onto workpieces or tools directly from a tank

6 products