Back Stops | McMaster-Carr

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2B350

2B999

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7,771 Products

Most Likely Products

Spring Stops

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

34 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

1,785 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

Workbench Back and End Stops

Keep tools and parts from sliding off workbenches

13 products

Surface Guards

Protect walls and other flat surfaces from impact

96 products

Welding Gas Flashback Arresters

Attach to your gas welder to extinguish flames and stop reverse gas flow

24 products

All Results

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

1,785 products

Surface Guards

Protect walls and other flat surfaces from impact

96 products

Lockset Bumpers

Protect knobs and hardware on doors from carts, dollies, and other equipment

4 products

Column Guards

Prevent damage to columns caused by bumps from vehicles and equipment

14 products

Crane Bumpers

Absorb impact to protect your crane—and surrounding walls and beams—when it comes to a stop

20 products

Door Stops

Keep doors from slamming into and damaging walls

70 products

Rack Guards

Prevent damage to rack posts caused by bumps from vehicles and equipment

8 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

Strut Channel End Stops

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

1 product

Door Chains

Keep free-swinging doors from opening too far and prevent damage to hinges, doors, and walls

7 products

Door Bumpers

Protect large swinging doors from impact where carts and vehicles often push them open

4 products

Door-Track Guards

Protect overhead-door track and dock doors from forklifts and other vehicles

4 products

Fabricating and Machining

Spring Stops

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

34 products

Containers, Storage, and Furniture

Workbench Back and End Stops

Keep tools and parts from sliding off workbenches

13 products

Temporary Partition Poles

Support tarps, drop cloths, and plastic sheeting to create temporary walls that block dust

3 products

Partition Panels

Separate people and workspaces with moveable walls

28 products

Wall Panels

Build impact-resistant enclosures, windows, and roofs that let light in and keep the elements out

12 products

Wire Partitions

Create secure storage and work rooms that you can see into

78 products

Hose Stops

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

7 products

Metal Panels

Close off openings in structures while allowing air to pass through

253 products

Wheel Chock Holders

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

3 products

Fastening and Joining

Welding Gas Flashback Arresters

Attach to your gas welder to extinguish flames and stop reverse gas flow

24 products

TIG Torch Insulators

Seal between TIG nozzles and torches to stop gas from escaping and protect torch parts from heat

11 products

Brazing Stop-Off

Keep flux and metal from flowing into unwanted areas while brazing

2 products

Threaded Rod Collars

Hold and position parts on a threaded rod

76 products

Fluid Handling

Vacuum Breakers

When pressure drops, vents open to prevent suction from drawing liquid back upstream

33 products

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

26 products

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

744 products

Sump Pump Backflow-Prevention Valves

Block dirty water from returning to your sump pump

2 products

Flame Arresters

Absorb heat from a fire in your gas pipeline to stop it from traveling back to the gas source

8 products

Power Transmission

Shaft Collars

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

2,725 products

Gear Boxes

Transmit rotary motion without changing speed, or reduce speed while increasing torque

187 products

Air Springs

Absorb vibration in moving equipment such as conveyors and transfer stations; lift and level loads

25 products

Stopper Cylinders

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

8 products

Speed Limiters

Control the speed of movement for attached components such as doors, panels, and drill presses

138 products

Shock Absorbers

Slow and stop loads to reduce impact that can damage equipment like conveyors, lifters, and presses

76 products

Hydraulic Check Valves

Open to allow hydraulic fluid flow in one direction and close when flow stops or reverses

78 products

Air Flow Check Valves

Open to allow air flow in one direction and close when flow stops or reverses

21 products

Parts Metering Cylinders

Space out parts to control flow on conveyors and feeders

12 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

Material Handling

Conveyor Package Stops

Mount across your conveyor to hold material

3 products

Conveyor Stops

Control product flow and let items accumulate

8 products

Wire Rope Stops

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

33 products

Bungee Cord Locks

Position on bungee cords to create stops and keep the cords from rubbing against surfaces

7 products

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

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

Scaffold Guardrails

Add a barrier around your scaffold platform to prevent falls

3 products

Facility and Grounds Maintenance

Drain Check Valves

Prevent water damage by placing into floor drains to stop sewer back-ups

3 products

Shower Stoppers

Push down to plunge and cut trapped material to prevent clogs

1 product

Sink Splash Guards

Surround sinks to shield people and equipment from getting wet

9 products

Floor Drain Trap Seals

Stop sewer gases from escaping through rarely used floor drains if the P-trap dries out

4 products

Chain Link Fencing

Everything you need to build or repair a chain link fence, from posts to gates

55 products

Fencing

Metal chicken wire, plastic fencing, fabric erosion-control fencing, and wood drift fencing

74 products

Fence Screens

Attach to a fence to obscure the view

12 products

Leak Drainage Tarps

Protect work areas and equipment from overhead leaks

31 products

Electrical Power, Networking, and Controlling

Proximity Sensor Safety Barriers

Safely send power to sensors in volatile areas such as refineries and power plants

2 products

DIN Rail Stops

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

11 products

Cord Stops

Control how much cord retracts into a reel to keep the end accessible

2 products

Safety Switches

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

59 products

Photoelectric Sensors

Detect objects from longer distances than proximity and ultrasonic sensors

1 product

Lighting

Landscape Lights

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

4 products

Heating, Ventilation, and Air Conditioning

Insulation Fencing

Made of pliable mesh for securing insulation blankets, covers, and jackets

3 products

Safety Equipment

Bollards

Anchor to the ground or floor to block vehicle access

26 products

Puller Protection Blankets

Wrap around gear and bearing pullers, presses, and other moving equipment to block flying debris

3 products

Barricades

Panel, rail, cone-mount, barrel, and water-fill barricades

22 products

Protective Screens

Set up to protect against dust, weld spatter, heat, and splashing liquid

129 products

Chip Guards

Deflect flying chips while machining to protect people and equipment

57 products

Flood Gates

Stop flood waters from getting in and damaging your facility

7 products

Parking Curbs

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

6 products

Spill-Control Berms

Form a barrier around leaks and spills to stop them from spreading

35 products

Fold-Up Railings

Create a temporary barrier around hazards such as open manholes

1 product

Guardrails

Protect pedestrian walkways from vehicles

92 products

Safety Rails

Protect people on platforms, loading docks, and elevated walkways

96 products

Machine Guards

Surround equipment to prevent injury to workers and damage to machines

115 products