Hard Stops | McMaster-Carr

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Thread Size

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Black/Reflective Yellow

Hardness Rating

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Length

For Use Outdoors

Width

REACH

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Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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Base Material

Maximum Temperature

Environment

High-Pressure Washdown

2,882 Products

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

1,785 products

Door Stops

Keep doors from slamming into and damaging walls

70 products

Surface Guards

Protect walls and other flat surfaces from impact

5 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

Strut Channel End Stops

Keep trolleys, slides, and other hanging components from rolling out of channels

1 product

Door Track End Stops

Prevent door track hangers from rolling off the track

9 products

Door Wedges

Simply slide under doors to keep them open

9 products

Protective Feet

Add to furniture and light equipment to protect floors from scratches and wear

6 products

Wheel Clamp Locks

Lock a wheel to prevent forklifts, tuggers, and other vehicles from moving

5 products

Fabricating and Machining

Spring Stops

Push back against workpieces to hold them in place against stops and rails

34 products

Locating Rails

Locate the side of a workpiece in your fixture without milling a permanent slot

8 products

Milling Machine Depth Stops

Avoid cutting too deep by attaching to your machine’s quill

1 product

Vise Stops

Prevent horizontal movement within machine vises to keep workpieces in place

5 products

Lathe Chuck Stops

Consistently position short parts in lathe chucks without spacers to reduce setup time

4 products

Lathe Collet Stops

Prevent parts from pushing back into the collet while machining

3 products

Lathe Spindle Stops

Load material in the same spot every time for consistent machining from piece to piece

3 products

Drill Stops

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

145 products

Abrasive Blaster Safety Switches

Shut off abrasive blasters if the operator loses control; also known as deadman switches

11 products

Material Handling

Ball Transfer Stops

Raise to hold loads in place and lower to let them through

1 product

Conveyor Stops

Control product flow and let items accumulate

8 products

Conveyor Package Stops

Mount across your conveyor to hold material

3 products

Wire Rope Stops

Prevent wire rope from pulling out of cleats and guides or keep ends from fraying

33 products

Rope Stops

Keep rope from slipping through pulleys and cleats or add a grip to a pull cord

4 products

Railcar Stoppers

Bring slow-moving railcars to a halt until you can install a permanent chock

1 product

Dock Bumpers

Prevent damage to docks and vehicles by absorbing impacts

74 products

Wheel Chocks

Secure wheels in place while loading, unloading, and servicing vehicles

48 products

Railcar Wheel Stops

Stop railcars at track ends and the approaches to buildings and doors

5 products

Railcar Wheel Chocks

Keep railcars stationary during loading, unloading, and servicing

9 products

Floor Locks

Stabilize carts, trucks, workbenches, and other mobile equipment during loading and unloading

29 products

Power Transmission

Stopper Cylinders

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

8 products

Cylinder Rod Locks

Hold the piston's position during an emergency stop or power loss to keep the load safely in place

6 products

Parts Metering Cylinders

Space out parts to control flow on conveyors and feeders

12 products

Electrical Power, Networking, and Controlling

DIN Rail Stops

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

11 products

Emergency Stop Switches

Cut power to equipment during emergencies

1 product

Safety Switches

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

59 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

260 products

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

120 products

Motor Switches

Turn motors, lighting, and electric heat circuits on and off

7 products

Transfer Switches

Switch to backup power during an outage

7 products

Safety Equipment

Bollards

Anchor to the ground or floor to block vehicle access

26 products

Parking Curbs

Designate parking spaces and block drivers from pulling too far into a space

6 products

Containers, Storage, and Furniture

Hose Stops

Prevent hose from winding all the way back onto reels; also known as bumper or ball stops

7 products

Wheel Chock Holders

Store wheel chocks near docks and loading zones so they’re always on hand

3 products

Workbench Back and End Stops

Keep tools and parts from sliding off workbenches

13 products

Fluid Handling

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

8 products

Lighting

Landscape Lights

A directed beam of light illuminates paths, signs, flags, and landscape elements

4 products