Fluted Knobs | McMaster-Carr

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System of Measurement

Thread Size

Grip Style

Mount Type

Threaded Through Hole

Unthreaded Hole

Unthreaded Through Hole

Material

Stainless Steel

Head Diameter

Hub Height

Hub Diameter

Color

Hole Diameter

Stud Material

Stainless Steel

Head Height

Thread Direction

Insert Material

Stainless Steel

Screw Size

Maximum Temperature

Less than 200° F

200° F to 224° F

225° F to 249° F

250° F to 299° F

300° F or greater

REACH

RoHS

Compliant with Exemptions

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

Export Control Classification Number (ECCN)

Finish

DFARS Specialty Metals

Thread Pitch

Thread Depth

How can we improve?

998 Products

Knobs

Threaded-Stud Knobs

Threaded-Stud Knobs

Mount these knobs into a threaded hole

Comfort-Grip Threaded Through-Hole Knobs

Comfort-Grip Threaded Through-Hole Knobs

A rubber coating provides a comfortable grip

Threaded-Hole Knobs

Threaded-Hole Knobs

Install on a threaded stud to provide a secure grip

Threaded Through-Hole Knobs

Threaded Through-Hole Knobs

Long shafts can thread through these knobs for mounting versatility

Comfort-Grip Threaded-Stud Knobs

Comfort-Grip Threaded-Stud Knobs

A rubber coating provides a comfortable grip

Unthreaded-Hole Knobs

Unthreaded-Hole Knobs

Tap custom threads or secure with a set screw

Comfort-Grip Threaded-Hole Knobs

Comfort-Grip Threaded-Hole Knobs

A rubber coating provides a comfortable grip

Unthreaded Through-Hole Knobs

Unthreaded Through-Hole Knobs

Create custom threads

Vibration-Resistant Threaded-Stud Knobs

Vibration-Resistant Threaded-Stud Knobs

An acrylic adhesive adds friction to resist loosening from vibration

Vibration-Resistant Threaded Through-Hole Knobs

Vibration-Resistant Threaded Through-Hole Knobs

A nylon insert grips threads to resist loosening

Screw-Head Mount Knob Assortments

Screw-Head Mount Knob Assortments

Keep a convenient selection of knobs on hand

Choose-a-Color Threaded-Hole Knobs

Choose-a-Color Threaded-Hole Knobs

Identify equipment controls and components at a glance by their color

Screw-Head Mount Knobs

Screw-Head Mount Knobs

To build a custom knob or thumb screw, pair with a hex or socket head screw

Choose-a-Color Threaded-Stud Knobs

Choose-a-Color Threaded-Stud Knobs

Identify equipment controls and components at a glance by their color

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

Machinable-Hub Knobs

Machinable-Hub Knobs

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

Sanitary Threaded-Hole Knobs

Sanitary Threaded-Hole Knobs

Designed for sanitary environments

Tethered Threaded-Stud Knobs

Tethered Threaded-Stud Knobs

Never lose these knobs—tether them to equipment

Left-Hand Threaded-Stud Knobs

Left-Hand Threaded-Stud Knobs

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

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

Metal-Detectable Threaded-Stud Knobs

Metal-Detectable Threaded-Stud Knobs

Detect if a piece breaks off into your food processing line

Machinable-Hub Bar Knobs

Machinable-Hub Bar Knobs

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

Metal-Detectable Threaded-Hole Knobs

Metal-Detectable Threaded-Hole Knobs

Detect if a piece breaks off into your food processing line

Tethered Threaded-Hole Knobs

Tethered Threaded-Hole Knobs

Never lose these knobs—tether them to equipment

Other Products

Tighten and loosen by hand without the need for tools

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Lever Handles

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

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

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