M8 Knobs | McMaster-Carr

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Threaded Through Hole

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Stainless Steel

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Stainless Steel

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Stainless Steel

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275 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

Choose-a-Color Threaded-Hole Knobs

Choose-a-Color Threaded-Hole 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

Sanitary Threaded-Hole Knobs

Sanitary Threaded-Hole Knobs

Designed for sanitary environments

Comfort-Grip Threaded-Hole Knobs

Comfort-Grip Threaded-Hole Knobs

A rubber coating provides a comfortable grip

Metal-Detectable Threaded-Stud Knobs

Metal-Detectable Threaded-Stud Knobs

Detect if a piece breaks off into your food processing line

Metal-Detectable Threaded-Hole Knobs

Metal-Detectable Threaded-Hole Knobs

Detect if a piece breaks off into your food processing line

Other Products

Tighten and loosen by hand without the need for tools

Ball Knobs

Provide grip on control levers and push-pull rods

Adjustable Handles

Adjustable Handles

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

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

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Ball-Lever Shafts

Ball-Lever Shafts

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

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