5/8"-11 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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DFARS Specialty Metals

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95 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

Threaded-Stud Knobs

Threaded-Stud Knobs

Mount these knobs into a threaded hole

Quick-Lock Threaded Through-Hole Knobs

Quick-Lock Threaded Through-Hole Knobs

Quick to install, position, and remove

Palm-Grip Threaded-Stud Knobs

Palm-Grip Threaded-Stud Knobs

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

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 Bar Knobs

Threaded Through-Hole Bar Knobs

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

Other Products

Ball Knobs

Provide grip on control levers and push-pull rods

Machine Handles

Machine Handles

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

Tighten and loosen by hand without the need for tools

Retention Knobs

Retention Knobs

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

Spring Plungers

Spring Plungers

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

Lever Handles

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

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Adjustable Handles

Adjustable Handles

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

Cam Handles

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

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.)