Nut Knobs | McMaster-Carr

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Stainless Steel

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Threaded Through Hole

Unthreaded Hole

Unthreaded Through Hole

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Stainless Steel

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Corrosion-Resistant Coated

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Compliant with Exemptions

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1,606 Products

Knobs

Threaded Through-Hole Knobs

Threaded Through-Hole Knobs

Long shafts can thread through these knobs for mounting versatility

Threaded-Hole Knobs

Threaded-Hole Knobs

Install on a threaded stud to provide a secure grip

Choose-a-Color Threaded Through-Hole Knobs

Choose-a-Color Threaded Through-Hole Knobs

Identify equipment controls and components at a glance by their color

Comfort-Grip Threaded Through-Hole Knobs

Comfort-Grip Threaded Through-Hole Knobs

A rubber coating provides a comfortable grip

Choose-a-Color Threaded-Hole Knobs

Choose-a-Color Threaded-Hole Knobs

Identify equipment controls and components at a glance by their color

Vibration-Resistant Threaded Through-Hole Knobs

Vibration-Resistant Threaded Through-Hole Knobs

A nylon insert grips threads to resist loosening

Comfort-Grip Threaded-Hole Knobs

Comfort-Grip Threaded-Hole Knobs

A rubber coating provides a comfortable grip

Unthreaded-Hole Knobs

Unthreaded-Hole Knobs

Tap custom threads or secure with a set screw

Machinable-Hub Knobs

Machinable-Hub Knobs

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

Metal-Detectable Threaded-Hole Knobs

Metal-Detectable Threaded-Hole Knobs

Detect if a piece breaks off into your food processing line

Sanitary Threaded-Hole Knobs

Sanitary Threaded-Hole Knobs

Designed for sanitary environments

Palm-Grip Threaded-Hole Knobs

Palm-Grip Threaded-Hole Knobs

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

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

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

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

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

Easy to tighten and loosen by hand for making frequent adjustments

Ball Knobs

Provide grip on control levers and push-pull rods

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Machine Handles

Machine Handles

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

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

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