Aluminum Machine Component Knobs | McMaster-Carr

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191 Products

Knobs

Palm-Grip Threaded-Hole Knobs

Palm-Grip Threaded-Hole Knobs

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

Unthreaded-Hole Knobs

Unthreaded-Hole Knobs

Tap custom threads or secure with a set screw

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

Machinable-Hub Knobs

Machinable-Hub Knobs

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

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

Palm-Grip Threaded-Stud Knobs

Palm-Grip Threaded-Stud 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

Left-Hand Threaded-Stud Knobs

Left-Hand Threaded-Stud Knobs

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

Palm-Grip Machinable-Hub Knobs

Palm-Grip Machinable-Hub Knobs

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

Machinable-Hub Knobs with Handle

Machinable-Hub Knobs with Handle

A handle makes these knobs easy to turn

Unthreaded-Hole Knobs with Handle

Unthreaded-Hole Knobs with Handle

A handle makes these easy to turn

Other Products

Ball Knobs

Provide grip on control levers and push-pull rods

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Valve Knobs

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

Pull Knobs

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

Steering Wheel Knobs

Steering Wheel Knobs

Attach to steering wheels for one-hand operation

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