M4 Knobs | McMaster-Carr

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Unthreaded Hole

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Stainless Steel

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Round-Head Thumb Screw Profile

Thumb Screw Head Shape

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128 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Ball Knobs

Provide grip on control levers and push-pull rods

Pull Handles and Knobs

Pull Handles and Knobs

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

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

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

Fastening and Joining

Tighten and loosen by hand without the need for tools

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