Metal Machine Component Knobs | McMaster-Carr

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Material

Stainless Steel

System of Measurement

Thread Size

Grip Style

Head Diameter

Mount Type

Threaded Through Hole

Unthreaded Hole

Unthreaded Through Hole

Stud Length

Hub Height

Hub Diameter

Hole Diameter

Head Height

Stud Material

Stainless Steel

Thread Direction

Hole Shape

Color

Finish

Thread Depth

RoHS

Compliant with Exemptions

REACH

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

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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Set Screw Included

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745 Products

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Knobs

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

Threaded-Hole Knobs

Threaded-Hole Knobs

Install on a threaded stud to provide a secure grip

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

Unthreaded Through-Hole Knobs

Unthreaded Through-Hole Knobs

Create custom threads

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

Left-Hand Threaded-Stud Knobs

Left-Hand Threaded-Stud Knobs

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

Sanitary Threaded-Hole Knobs

Sanitary Threaded-Hole Knobs

Designed for sanitary environments

Quick-Lock Threaded Through-Hole Knobs

Quick-Lock Threaded Through-Hole Knobs

Quick to install, position, and remove

Threaded Through-Hole Bar Knobs

Threaded Through-Hole Bar Knobs

Add a bar for maximum leverage when tightening on a threaded stud

Easy-Clean Threaded-Stud Knobs

Easy-Clean Threaded-Stud Knobs

One-piece with no joints to collect dirt or debris

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

Palm-Grip Machinable-Hub Knobs

Palm-Grip Machinable-Hub Knobs

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

Tethered Threaded-Stud Knobs

Tethered Threaded-Stud Knobs

Never lose these knobs—tether them to equipment

Torque-Limiting Knobs

Torque-Limiting Knobs

Set torque with a hex key to prevent overtightening that can damage equipment

Machinable-Hub Bar Knobs

Machinable-Hub Bar Knobs

Weld on or create your own holes and add a bar for maximum leverage when tightening

Tethered Threaded-Hole Knobs

Tethered Threaded-Hole Knobs

Never lose these knobs—tether them to equipment

Other Products

Ball Knobs

Provide grip on control levers and push-pull rods

Pull Knobs

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

Valve Knobs

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

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

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.)