1/4"-28 Knobs | McMaster-Carr

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Stainless Steel

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Threaded Through Hole

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Thumb Screw Head Shape

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Stainless Steel

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Round-Head Thumb Screw Profile

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92 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Ball Knobs

Provide grip on control levers and push-pull rods

Control Cables

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

Adjustable Handles

Adjustable Handles

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

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

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.)