Steel Knobs | McMaster-Carr

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Material

Stainless Steel

Stud Material

Stainless Steel

System of Measurement

Thread Size

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Threaded Through Hole

Unthreaded Hole

Unthreaded Stud

Unthreaded Through Hole

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Grip Style

Head Diameter

Length

Hub Height

Hub Diameter

Color

Head Height

Thread Direction

Thumb Screw Head Shape

Handle Style

Insert Material

Stainless Steel

Screw Size

Thread Pitch

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

Handle Material

Stainless Steel

Head Material

Grip Material

Stainless Steel

How can we improve?

4,519 Products

Knobs

Threaded-Stud Knobs

Threaded-Stud Knobs

Mount these knobs into a threaded hole

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

Choose-a-Color Threaded-Stud Knobs

Choose-a-Color Threaded-Stud Knobs

Identify equipment controls and components at a glance by their color

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

Choose-a-Color Threaded-Hole Knobs

Choose-a-Color Threaded-Hole Knobs

Identify equipment controls and components at a glance by their color

Easy-Clean Threaded-Stud Knobs

Easy-Clean Threaded-Stud Knobs

One-piece with no joints to collect dirt or debris

Vibration-Resistant Threaded Through-Hole Knobs

Vibration-Resistant Threaded Through-Hole Knobs

A nylon insert grips threads to resist loosening

Vibration-Resistant Threaded-Stud Knobs

Vibration-Resistant Threaded-Stud Knobs

An acrylic adhesive adds friction to resist loosening from vibration

Unthreaded Through-Hole Knobs

Unthreaded Through-Hole Knobs

Create custom threads

Palm-Grip Threaded-Stud Knobs

Palm-Grip Threaded-Stud Knobs

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

Machinable-Hub Knobs

Machinable-Hub Knobs

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

Tethered Threaded-Stud Knobs

Tethered Threaded-Stud Knobs

Never lose these knobs—tether them to equipment

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

Torque-Limiting Knobs

Torque-Limiting Knobs

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

Left-Hand Threaded-Stud Knobs

Left-Hand Threaded-Stud Knobs

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

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

Metal-Detectable Threaded-Stud Knobs

Metal-Detectable Threaded-Stud Knobs

Detect if a piece breaks off into your food processing line

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

Comfort-Grip Threaded-Hole Knobs

Comfort-Grip Threaded-Hole Knobs

A rubber coating provides a comfortable grip

Other Products

Tighten and loosen by hand without the need for tools

Adjustable Handles

Adjustable Handles

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

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

Cam Handles

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

Pull Handles and Knobs

Pull Handles and Knobs

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

Spring Plungers

Spring Plungers

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

Valve Handles

Replace the handle on most types of valves

Machine Handles

Machine Handles

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

Hand Wheels

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

Ball-Lever Shafts

Ball-Lever Shafts

Attach a ball knob to create a custom handle for operating machinery

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Mechanical Control Cables

Mechanical Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

Crank Handles

The offset handle gives extra leverage to maximize turning force

Door Knobs

Choose between knobs that lock and knobs that don't

Spring Handles

The wire coils dissipate heat to keep furnace, grill, and stove handles cool to the touch

Retention Knobs

Retention Knobs

Attach tool holders such as collet chucks and end mill holders to your CNC machine’s spindle

Steering Wheel Knobs

Steering Wheel Knobs

Attach to steering wheels for one-hand operation

Vise Handles

Replace handles in vises

Push Bars

Push doors open with a hydraulic damper for quiet operation

Pull Cords

Operate doors, vents, skylights, and overhead equipment

Door Push and Pull Plates

Door Push and Pull Plates

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

Door Handle and Knob Guards

Door Handle and Knob Guards

Prevent unauthorized entry by blocking access to the knob

Ratchet Handles

Ratchet Handles

Quickly adjust machine components and valves in tight spaces

Manual Switches

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

Door Handles

Choose between handles that lock and handles that don't

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