Round Clamps | McMaster-Carr

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28,941 Products

Most Likely Products

Shaft Collars

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

2,802 products

Hose Clamps

Connect hose to barbed hose fittings

1,674 products

Loop Clamps

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

478 products

Tool Holders

Mount brooms, cordless drills, flashlights, and other tools

84 products

All Results

Power Transmission

Shaft Collars

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

2,802 products

Pulley and Sprocket Bushings

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

623 products

Bearing Nuts

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

412 products

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

55 products

Material Handling

Loop Clamps

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

478 products

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

607 products

U-Bolts

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

879 products

Pipe Standoff Clamps

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

22 products

Pipe Hangers

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

612 products

Beam Clamps

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

42 products

Routing J-Hooks

Hang, adjust, and remove bundles of cable through the wide opening more easily than with routing rings

16 products

Routing Rings

Suspend wire and cable by feeding it through the eyehole

40 products

Cylinder Grabbers

The scissor-like design grips cylinders and other heavy, hard-to-grasp objects to safely move them

1 product

Manhole-Cover Lifters

Safely remove manhole covers by yourself

2 products

Suction-Cup Lifters

Manually grip and move flat objects using suction cups

53 products

Pick-and-Place Grippers

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

18 products

Vacuum Lifters

Grip and move objects with air- or electric-powered suction

39 products

Lifting Tongs

Lift tongs by the eye with a crane or forklift to grasp and elevate tall objects or beams

3 products

Cable Holders

Mount to a surface to secure and route cable

138 products

Cable Ties

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

706 products

Cinching Straps

Tightly grip large bundles of cargo and other materials to secure them in place

65 products

Hook and Loop Straps

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

398 products

Carabiners

Hook onto rope and webbing to quickly connect objects, fittings, and other lengths of rope

228 products

Snap Hooks

Spring, slide, or press open to quickly connect rope and chain

276 products

Wire Rope Clamps

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

173 products

Cable Pulling Clamps

Maintain tension until a line can be permanently anchored

11 products

Rope Compression Sleeves

Install a permanent loop at rope ends using a compression tool

12 products

Wire Rope Compression Sleeves

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

101 products

Ratchet Straps

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

607 products

Drum Grabbers

Adapt forklifts to lift and transport drums

10 products

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

2 products

Strapping

Secure pallet loads, crates, and packages for transit

131 products

Strapping Seals

Crimp onto strapping to keep it under tension

28 products

Fluid Handling

Hose Clamps

Connect hose to barbed hose fittings

1,674 products

Hose

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

368 products

Hose Fittings

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

2,689 products

Pipe Repair Clamps

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

244 products

Tube Repair Clamps

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

18 products

Tube and Tube Fittings

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

7,239 products

Hose Identification Bands

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

2 products

Pipe and Pipe Fittings

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

716 products

Hose and Tube Pliers

Install, remove, or pinch off hose and tube

14 products

Hose Clamp Installation Tools

Tighten hose clamps over hose and fittings to secure them

16 products

Hose End Safety Straps

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

3 products

Mixer Clamps

Mount mixers to stands, pipes, or tank rims

1 product

Gauge Guards

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

3 products

Containers, Storage, and Furniture

Tool Holders

Mount brooms, cordless drills, flashlights, and other tools

84 products

Pegboard Tool Holders

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

8 products

Drum Locking Rings

Clamp lids onto drums for a tight seal

7 products

Strap Handles

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

3 products

Cylinder Racks

Store gas cylinders in an upright position

46 products

Fabricating and Machining

Clamps

Hold workpieces securely in place

317 products

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

52 products

Vises

Secure workpieces in place

52 products

Locking Pliers

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

51 products

Tongs

Grip and handle objects without touching them

24 products

Clothespins

Hold light items, secure covers, and seal bags

4 products

Swivel Pads

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

58 products

Building and Machinery Hardware

Clamp-On Framing and Fittings

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

243 products

Slip-On Framing and Fittings

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

406 products

Steering Wheel Knobs

Attach to steering wheels for one-hand operation

6 products

Knobs

Position, tighten, and secure fixtures and equipment

1,342 products

Ball Knobs

Provide grip on control levers and push-pull rods

269 products

Electrical

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

54 products

Bonding and Grounding Clamps

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

50 products

Grounding Rings

Create a pathway for stray currents to prevent damage to bearing surfaces in AC motors

20 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

1,164 products

Conduit Bushings

Guard wiring from sharp edges at the ends of conduit

30 products

Cable and Hose Carrier Accessories

Move cable and hose carriers alongside robot arms without obstructing movement

57 products

Interference Suppressing Clips

Shield cable from EMI and RFI that can distort signals; also known as ferrite beads

64 products

Jumper Cable Clamps

Replace clamps on jumper cables

2 products

Electrical Cords

Connect equipment and devices to a power supply

10 products

Jumper Cables

Jump-start a dead battery

12 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

131 products

Measuring and Inspecting

Variance Indicator Clamps

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

61 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

52 products

Safety Equipment

Glove Box Clamps

Secure gloves to glove boxes

2 products

Communication

Sign Mounts

Fasten signs to posts, or bolt posts directly into the ground

1 product

Lighting

Portable Work Lights

Bring lighting to poorly lit or completely dark areas

1 product

Heating, Ventilation, and Air Conditioning

Duct Clamps

Attach duct to fittings, accessories, and equipment

30 products

Fastening and Joining

Chain Wrenches

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

41 products