Knuckles | McMaster-Carr

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Material

Acrylic/Fiberglass Fabric

Stainless Steel

System of Measurement

Shaft Diameter

0.235" to 0.500"

0.235" to 0.625"

0.235" to 0.750"

0.235" to 0.875"

Shape

Tube OD

Shank Thread Size

Pipe Size

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

ID

Shaft Type

Rod End Type

Ball Joint Linkage

Shank Gender

Gender

Thread Size

Fitting Connection

O-Ring Face Seal

Push to Connect

Quick Disconnect

Overall Length

OD

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Shank Center Length

For Use With

Ball Joint Rod Ends

Acetic Acid (White Vinegar) (5% Concentration)

Calcium Chloride

For Shaft Misalignment Type

No Misalignment

Shaft Mount Type

Connects To

How can we improve?

8,432 Products

Power Transmission

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

Rod End Inserts

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

Swivel Joints

Handle shaft misalignment where ball joint rod ends won’t fit; also known as spherical bearings

U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

Shaft Couplings

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

Shear Couplings

Shear Couplings

Sever the connection between shafts when there's too much torque to protect parts from breaking

Shaft Adapters

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

Machinable Shaft Ends

Machinable Shaft Ends

Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts

Hydraulic Cylinder Mounts

Hydraulic Cylinder Mounts

Restrain cylinders and secure loads to the end of the rod

Gas Spring Mounts

Gas Spring Mounts

Attach gas springs to panels, lids, and doors using a bracket or stud

Gas Spring End Fittings

Gas Spring End Fittings

Connect gas springs to mounting studs and brackets

Torque Limiters

Torque Limiters

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

Material Handling

Screw Jack End Fittings

Screw Jack End Fittings

Thread onto screw jacks to create pivot points with clevis rod ends and other linkages

Turnbuckles

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

Wire Rope End Fittings

Wire Rope End Fittings

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

Scaffold Clamps

Scaffold Clamps

Construct scaffolding and secure supports, such as railings

Building and Machinery Hardware

Rotary Latches

Open doors around corners and other obstructions; adjust for misalignment when closing

Push-to-Close Latches

Push-to-Close Latches

Automatically hold doors shut when you push them closed

Hinges

Mount to doors, windows, and panels so they can swing open and closed

Leveling Mounts

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Joint Covers

Shield rotating joints to keep lubricants in and contaminants out

Measuring and Inspecting

Probe Stylus Accessories

Probe Stylus Accessories

Add components that extend length, adapt threads, or hold multiple styli at once

Safety Equipment

Gloves

Shield your hands from cuts, heat, cold, chemical splashes, and electrical and welding sparks

Bandages

Cover wounds to keep them clean and protected

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

Fastening and Joining

Hex Nuts

Handle most general fastening needs

Fluid Handling

Tube and Tube Fittings

Tube and Tube Fittings

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

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Hose and Hose Fittings

Hose and Hose Fittings

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

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