Aluminum Knobs | McMaster-Carr

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Stainless Steel

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Threaded Through Hole

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Unthreaded Through Hole

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Round with Keyway

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DFARS Specialty Metals

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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807 Products

Knobs

Threaded-Hole Knobs

Threaded-Hole Knobs

Install on a threaded stud to provide a secure grip

Threaded-Stud Knobs

Threaded-Stud Knobs

Mount these knobs into a threaded hole

Unthreaded-Hole Knobs

Unthreaded-Hole Knobs

Tap custom threads or secure with a set screw

Palm-Grip Threaded-Stud Knobs

Palm-Grip Threaded-Stud Knobs

The domed top allows you to firmly hold these knobs in your palm

Palm-Grip Threaded-Hole Knobs

Palm-Grip Threaded-Hole Knobs

The domed top allows you to firmly hold these knobs in your palm

Threaded Through-Hole Knobs

Threaded Through-Hole Knobs

Long shafts can thread through these knobs for mounting versatility

Machinable-Hub Knobs

Machinable-Hub Knobs

Mill specific holes or keyways in the hub, or weld in place

Palm-Grip Machinable-Hub Knobs

Palm-Grip Machinable-Hub Knobs

The domed top allows you to firmly hold these knobs in your palm

Oversized-Grip Screw-Head Mount Knobs

Oversized-Grip Screw-Head Mount Knobs

Convert screws into knobs so large you can grip them with heavy work gloves

Unthreaded-Hole Knobs with Handle

Unthreaded-Hole Knobs with Handle

A handle makes these easy to turn

Machinable-Hub Knobs with Handle

Machinable-Hub Knobs with Handle

A handle makes these knobs easy to turn

Left-Hand Threaded-Stud Knobs

Left-Hand Threaded-Stud Knobs

Less likely to loosen from counterclockwise motion than right-hand threads

Other Products

Cam Handles

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

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Pull Handles and Knobs

Pull Handles and Knobs

Open and close cabinets, drawers, and doors on machines and equipment

Ball Knobs

Provide grip on control levers and push-pull rods

Lever Handles

Replace gear levers or attach to cranks and hand wheels to make them easier to turn

Steering Wheel Knobs

Steering Wheel Knobs

Attach to steering wheels for one-hand operation

Tighten and loosen by hand without the need for tools

Hand Wheels

Rotate to adjust machinery, valves, drill presses, and other equipment

Machine Handles

Machine Handles

Arms give you extra leverage to secure and position jigs, fixtures, and other equipment

Valve Knobs

Replace the knob on valves with a square stem, such as a spigot valve

Crank Handles

The offset handle gives extra leverage to maximize turning force

Vise Handles

Replace handles in vises

Damper Control Arms

Damper Control Arms

Connect actuating motors to your duct system to control ventilation dampers

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Door Handle and Knob Guards

Door Handle and Knob Guards

Prevent unauthorized entry by blocking access to the knob

Door Push and Pull Plates

Door Push and Pull Plates

Protect doors from wear while adding an easy-to-open handle

Adjustable Handles

Adjustable Handles

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

Chain Wheels

Add a pull chain to operate overhead doors, hatches, and valves

Push-Button Switches

Push-Button Switches

Our most common switch type actuates circuits with the push of a button

Push Bars

Open doors with a push; often found on emergency exits

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