Metric Stoppers | McMaster-Carr

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2,976 Products

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

400 products

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

50 products

T-Slotted Framing Conveyor End Stops

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

1 product

Vibration-Damping Mounts

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

253 products

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

39 products

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

47 products

Adjustable Handles

Lift and turn to easily position and tighten components; also called clamping handles

9 products

Fabricating and Machining

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

29 products

Spring Locating Pins

Apply side force to workpieces to clamp them in place

30 products

Fixture Tables

Add clamps, brackets, and other components to build fixtures for welding and assembly

15 products

Drill Stops

Limit how far bits can drill to create identical hole depths every time

19 products

Electrical Power, Networking, and Controlling

Terminal Blocks

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

279 products

DIN Rail Spacers

Slide along rails to separate and organize terminal blocks, relays, and other components

1 product

DIN Rail Stops

Keep components such as terminal locks and relays from shifting on rails

11 products

Switch Padding

Trigger an emergency stop when robot arms contact a worker or object

4 products

Safety Switches

Protect people by cutting power to machines when access doors open; also known as interlock switches

10 products

Lever Switches

Grip and twist the lever to turn circuits on and off, preventing accidental actuation

7 products

Emergency Stop Switches

Cut power to equipment during emergencies

59 products

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

10 products

Push-Button Switches

Our most common switch type actuates circuits with the push of a button

45 products

Power Transmission

Stopper Cylinders

Extend to stop loads on a conveyor and retract to let them pass

13 products

Parts Metering Cylinders

Space out parts to control flow on conveyors and feeders

12 products

Air Cylinders

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

38 products

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

1,030 products

Lead Screw Collars

Position components and limit travel along a lead screw

7 products

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

320 products

Measuring and Inspecting

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

52 products

Fluid Handling

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

12 products

Manual On/Off Valves

Start and stop flow through a line

41 products

Fastening and Joining

Sealing Washers

Prevent fluids from leaking around fasteners

65 products

Threaded Rod Collars

Hold and position parts on a threaded rod

10 products

Material Handling

Conveyor Guide Clamps

Connect conveyor guides to each other and secure them in place

1 product

Conveyor Guide Mounting Rods

Secure guides and other attachments to conveyors

54 products