1/4"-20 Knobs | McMaster-Carr

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Stainless Steel

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Unthreaded Through Hole

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Stainless Steel

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Stainless Steel

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Zinc Yellow-Chromate Plated

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Partially Threaded

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699 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

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

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Cam Handles

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

Hand Wheels

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

Machine Handles

Machine Handles

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

Pull Handles

Use a handle to open and close cabinets, drawers, and doors

Fastening and Joining

Tighten and loosen by hand without the need for tools

Spring Plungers

Spring Plungers

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

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