Tensioners | McMaster-Carr

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23,409 Products

Power Transmission

Chain and Belt Tensioners

Chain and Belt Tensioners

Control tension on your roller chain or belt for smooth operation and a long service life

Chain Tensioners

Chain Tensioners

Adjust tension on your roller chain to ensure smooth operation for a long service life

Chain and Belt Pulleys

Chain and Belt Pulleys

Pair with a compatible belt to transfer motion from a rotating shaft

Round Belts

Flexible to send rotary power between unparallel shafts

Timing Belts

Teeth prevent slippage while transmitting rotary power; often used to synchronize components

Chain Pullers

Keep roller chain in place while you add or remove links

V-Belts

Wedge-shaped grooves adjust for misalignment while transferring power from a rotating shaft

Flat Belts

Transmit high-speed rotary power; best for shafts that are aligned

Chain and Belt Pulley Stock

Chain and Belt Pulley Stock

Machine your own timing belt pulleys to fit an exact width and shaft diameter

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

10,534 products

Constant-Force Retractors

Constant-Force Retractors

Attach an object and the spring controls tension as the object is slowly pulled out and back

Shafts

Transmit power, motion, and speed between machine components

Torque Limiters

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

Brakes

Control how much and how quickly your drive system slows down

Motor Mounts

Adjust motor positions in belt-driven systems to increase efficiency and reduce wear on components

Electric Motors

Electric Motors

Keep machinery and equipment moving with AC or DC power

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Gear Stock

Machine your own gears to an exact face width and shaft diameter

Material Handling

Turnbuckles

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

Cable Pulling Clamps

Cable Pulling Clamps

Maintain tension until a line can be permanently anchored

Conveyor Belt Take-up Frames

Conveyor Belt Take-up Frames

Adjust the tension on conveyor belts by extending or retracting pulleys

Conveyor Belt Take-up Bearings

Conveyor Belt Take-up Bearings

Use with take-up frames to adjust tension on conveyor belts

Conveyor Belt Idler Pulleys

Conveyor Belt Idler Pulleys

Keep chain belts moving without sagging

Load Binders

Reduce slack in rope, straps, and chain to ensure a secure fit around loads

Ratchet Straps

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

E-Track Straps

Add to E-Tracks to keep cargo from shifting inside vans and trailers; also known as logistic straps

L-Track Straps

Attach to L-Tracks and ratchet the buckle to tighten around cargo; also known as logistic straps

Strapping Tensioners

Strapping Tensioners

Draw strapping tightly around packages with the push of a lever to keep contents secure

Strapping Sealers

Strapping Sealers

Crimp clips onto strapping to hold it tight

Strapping Tensioners and Sealers

Strapping Tensioners and Sealers

Tighten strapping around packages and seal it in place with a single tool

Strapping

Secure pallet loads, crates, and packages for transit

Winches

Wind up and let out rope, chain, and webbing for lifting and towing

Tool Balancers

Minimize user fatigue by suspending tools to offset their weight

Ratchet Pullers

Ratchet Pullers

Ratcheting action creates the pulling power of a winch in a versatile, portable tool

Cinching Straps

Cinching Straps

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

Cable Tie Tensioners

Cable Tie Tensioners

Tighten cable ties and trim the excess

Measuring and Inspecting

Belt Tension Gauges

Belt Tension Gauges

Check belt tension to minimize vibration, noise, and slippage

Force Gauges

Test objects to see how much tension and compression force they can bear

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Fastening and Joining

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Fluid Handling

Hose Clamp Installation Tools

Hose Clamp Installation Tools

Tighten hose clamps over hose and fittings to secure them

Hose and Hose Fittings

Hose and Hose Fittings

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

Hose End Safety Straps

Hose End Safety Straps

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

Hose Identification Bands

Hose Identification Bands

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

Containers, Storage, and Furniture

Strapping Dispensers

Strapping Dispensers

Keep strapping coils neat and ready to use

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)