Universal Clamps | McMaster-Carr

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19,951 Products

Building and Machinery Hardware

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

495 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

138 products

Flush-Fit Framing Elbows

Join flush-fit framing rails to build smooth stair and platform railings

1 product

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

150 products

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

222 products

Cam Handles

For fast clamping, push down on the handle to draw two parts together

106 products

Steering Wheel Knobs

Attach to steering wheels for one-hand operation

6 products

Knobs

Position, tighten, and secure fixtures and equipment

1,345 products

Adjustable Handles

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

759 products

Indicating Knobs

Control devices and view settings at a glance

89 products

Ball Knobs

Provide grip on control levers and push-pull rods

269 products

Pull Knobs

Use a knob to open and close cabinets, drawers, and doors

9 products

Brackets

Connect surfaces in an assembly

215 products

Positioning Arms

Mount and position tools and other small equipment

7 products

Panel Hanging Brackets

Mount and remove panels

2 products

Material Handling

Railing Clamps

Clamp onto metal tubes to hang lighting fixtures, threaded rod, and equipment

15 products

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

690 products

Pipe Hangers

Suspend pipe, conduit, and tube from rods, hooks, and straps

221 products

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

478 products

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

1,069 products

Beam Clamps

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

158 products

Pipe Standoff Clamps

Secure pipes in sanitation drain applications and keep them from touching the mounting surface

22 products

Riser Clamps

Wide flanges support vertical pipe passing through floors

38 products

Conveyor Guide Clamps

Connect conveyor guides to each other and secure them in place

39 products

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

2 products

Conveyor Guides

Direct and position items on conveyors while keeping them from falling off

5 products

Conveyor Guide Mounting Rod Caps

Cover the ends of conveyor guide mounting rods for a finished look

7 products

Forklift Tie-Down Clamps

Create anchor points on forklift forks to secure loads for transport

1 product

Pick-and-Place Grippers

Join grippers with fingers to grasp and move items in pick-and-place applications

104 products

Pick-and-Place Gripper Fingers

Connect to grippers to grasp and move items in pick-and-place applications

9 products

Plate Clamps

Vertically lift heavy metal plates, or lift and flip them to their other side

93 products

Pail Lifters

Hook to a crane or hoist to pick up pails and pour out contents

1 product

Drum Lifters

Raise, transport, tilt, or drain drums

25 products

Drum Dispensers

Mount on a forklift and tilt down to pour from drums

10 products

Rope Compression Sleeves

Install a permanent loop at rope ends using a compression tool

25 products

Cable Holders

Mount to a surface to secure and route cable

91 products

Hook and Loop Straps

Pull apart and secure again and again as the size of your bundle changes

195 products

Carts

Transport objects around your facility

1 product

Rope Clamps

Create a removable loop at rope ends by tightening the screws

12 products

Cable Pulling Clamps

Maintain tension until a line can be permanently anchored

11 products

Ratchet Straps

Connect to anchor points and tighten incrementally to increase the tension, holding cargo in place

425 products

Wire Rope Compression Sleeves

Install a permanent loop at wire rope ends using a compression tool

91 products

Shackles

Lift, pull, and anchor heavy loads while keeping them secure with a pin

9 products

Wire Rope End Fittings

Finish wire rope ends with threaded stud, eye, clevis, ball, hook, and other connections

107 products

Lanyards

Pull, hang, tie down, and tether objects with the attached fittings

9 products

Wire Rope Clamps

Form a removable loop at the ends of wire rope by tightening the nuts

161 products

Webbing Buckles

Join together two ends of webbing and adjust the length as needed

7 products

Strapping

Secure pallet loads, crates, and packages for transit

7 products

Cable Tie Mounts

Attach to walls, machines, and other surfaces and add a cable tie to organize and secure bundles

6 products

Cable Ties

Bundle and secure cable, wire, and hose; also known as zip ties

30 products

Strapping Buckles

Hold strapping in light duty and low-tension applications

8 products

Cable Bundling Tools

Quickly organize wires, cables, and cords into bundles

2 products

Box Clips

Keep cardboard box flaps folded down and out of the way while packing

4 products

Turnbuckles

Twist the body or end fittings to adjust the length and tension of attached rope and chain

3 products

Ratchet Strap Webbing Bags

Bundle excess webbing to keep it from dragging and becoming a hazard or being damaged

1 product

Seismic Bracing Straps

Keep heavy equipment from tipping during an earthquake with ICC certified straps

4 products

Fabricating and Machining

Spring Clamps

Hold lightweight materials in place, then squeeze to release

41 products

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

92 products

C-Clamps

Temporarily secure workpieces together or to a work surface

131 products

Panel Alignment Clamps

Align and hold sheet metal panels for drilling, riveting, and welding

20 products

Toggle Clamps

Lock workpieces onto worktables or objects

350 products

Clamp Holding Screw Tips

Cover metal holding screws to protect workpieces from scratches

12 products

Clamp Holding Washers

Replace worn washers on open-arm toggle clamps to keep holding screws in place

12 products

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

47 products

Corner Clamps

Align and secure materials at a corner joint

4 products

Magnetic Clamps

Hold magnetic workpieces at common angles such as 90° or 45°

27 products

Band Clamps

Secure round and oddly shaped workpieces

2 products

Pliers Clamps

Clamp and lock workpieces with plier-style jaws for secure handling or transport

35 products

Pipe Welding Clamps

Position and hold pipe joints for welding and assembly

14 products

Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

7 products

Clothespins

Hold light items, secure covers, and seal bags

4 products

Vises

Secure workpieces in place

255 products

Locking Pliers

Clamp workpieces and lock them in place to keep your hands free

51 products

Vise Jaws

Hold material in vises for machining

116 products

Swivel Pads

Attach to the ends of screws, threaded studs, or C-clamps to apply even pressure on uneven surfaces

58 products

Tongs

Grip and handle objects without touching them

9 products

Spring Clamp Workholders

Secure small parts in spring clamps to keep hands free for soldering, gluing, and assembling

7 products

Pliers Sets

A variety of pliers styles and sizes for whatever job comes up

1 product

Long-Nose Pliers

Grab, bend, and position wire and other small parts

6 products

Wire-Forming Pliers

Loop and bend wire; also known as round-nose pliers

1 product

Holders for Locking Pliers

Secure to a table or benchtop and slide in locking pliers for a hands-free way to hold your work

1 product

Support Blocks

Support setup clamps for quick height adjustments

3 products

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

23 products

T-Tracks

A versatile foundation for custom fixturing setups

2 products

Work Supports

Reduce vibration and deformation by adjusting to secure your workpiece

3 products

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

439 products

Measuring and Inspecting

Variance Indicator Clamps

Secure and position indicators, arms, and other components on holders

61 products

Variance Indicator Holder Fine-Adjustment Attachments

Install on Starrett variance indicator holders for precise control over positioning

1 product

Variance Indicator Holder Posts

Connect holder bases to clamps to hold variance indicators

2 products

Variance Indicator Holder Bases

Thread a post into the hole to mount variance indicators

2 products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

25 products

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

50 products

Height Gauge Scriber Clamps

Replace the scriber clamp on your height gauge

5 products

Square Holding Clamps

Position squares for repeat checking and marking

1 product

Variance Indicator Holder Arms

Fasten to a holder post to position variance indicators at any angle

1 product

Bench Centers

Inspect cylindrical parts for irregularities that could cause wobbles or vibrations

5 products

Micrometer Head Mounting Brackets

Mount a micrometer head to your jig or fixture to accurately position workpieces

16 products

Coordinate Measuring Machine Fixture Clamps

Keep workpieces in place for hands-free measuring and inspecting

28 products

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

11 products

Test Lead Clips

For hands-free testing, create a temporary yet secure electrical connection

77 products

Fluid Handling

Hose Clamps

Connect hose to barbed hose fittings

1,669 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

23 products

Hose

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

20 products

Hose Clamp Guards

Cover the ends of hose and tube clamps to prevent them from cutting people and objects

4 products

Tube and Tube Fittings

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

1,283 products

Hose and Tube Pliers

Install, remove, or pinch off hose and tube

8 products

Tube Repair Clamps

Mend small holes, cracks, and full-circle breaks in tubing without dismantling your system

18 products

Pipe Repair Clamps

Fix small holes and cracks in pipe without taking your system apart

244 products

Pipe and Pipe Fittings

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

600 products

Pipe Joiners

Connect heavy and difficult-to-position gasketed pipe without powered equipment

1 product

Hose End Safety Straps

Wrap around the levers on cam-and-groove hose fittings to prevent accidental release and spills

3 products

On-Off Valves

Start and stop flow through a line

6 products

Gauge Guards

Shield gauges from corrosive liquids and gases; also called diaphragm seals

3 products

Mixer Clamps

Mount mixers to stands, pipes, or tank rims

9 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

19 products

Safety Equipment

Glove Box Clamps

Secure gloves to glove boxes

4 products

Communication

Hose Identification Bands

Color code hose and tube lines to identify them at a glance

2 products

Electrical Power, Networking, and Controlling

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

60 products

Bonding and Grounding Clamps

Add cable or use included cable to create a grounding path, which prevents static charge buildup

50 products

Fuse Clamps

Avoid excessive heat and blown fuses by securing fuses into fuse blocks

7 products

Electrical Component Heat Sinks

Remove excess heat to protect circuit boards, semiconductors, and other electrical components

2 products

Jumper Cable Clamps

Replace clamps on jumper cables

2 products

Battery Terminal Adapters

Convert one battery terminal style to another

2 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

22 products

Cable and Hose Carrier Accessories

Move cable and hose carriers alongside robot arms without obstructing movement

57 products

Jumper Cables

Jump-start a dead battery

12 products

Electrical Enclosure Pole Mounts

Everything you need to secure enclosures to round poles or beams

14 products

Lugs

Connect wire in utilities, service entrances, and other high-power systems

45 products

RJ45 Connector Security Clips

Lock Ethernet cords in place to prevent unauthorized removal from ports

3 products

Cable Trays and Fittings

Organize and route bundles of cable and hose while keeping them accessible anywhere along the run

27 products

Containers, Storage, and Furniture

Tool Holders

Mount brooms, cordless drills, flashlights, and other tools

64 products

Pegboard Organizer Kits

Use a range of hooks, holders, and bin boxes to organize tools on pegboard

4 products

Pegboard Tool Holders

Store tools such as pliers, screwdrivers, and hammers on pegboard

9 products

Pipettor Holders

Hold pipettors in an upright position

4 products

Strap Handles

Wrap around bundles and hard-to-grip objects for a more convenient carry

6 products

Fastening and Joining

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

3 products

Thumb Screws

Tighten and loosen by hand without the need for tools

1,552 products

Weld Nuts

Weld to metal surfaces to add permanent threads

12 products

Spring Plunger Catches

Act as a stop for positioning ball-nose and long-nose spring plungers

8 products

Hold-Down Bolts

Hold material under the bent head while the other end is tightened down with a nut

21 products

Chain Wrenches

Grasp and twist pipe, tubing, and conduit, as well as irregularly shaped objects

31 products

Threaded Rod Collars

Hold and position parts on a threaded rod

76 products

Power Transmission

Lead Screw Collars

Position components and limit travel along a lead screw

55 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

623 products

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

31 products

Shaft Collars

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

2,725 products

Roller Chain Breakers

Open links to alter roller chain length

14 products

Timing Belts

Keep your drive system in sync with teeth that mesh with matching pulleys

20 products

Air Cylinders

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

6 products

Roller Chain Breaker/Riveters

Alter roller chain length or strengthen it for better performance on high-speed drives

2 products

Heating, Ventilation, and Air Conditioning

Duct Clamps

Attach duct to fittings, accessories, and equipment

30 products

Sealing

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

58 products