1/4"-28 Knobs | McMaster-Carr

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98 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Mechanical Control Cables

Mechanical Control Cables

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

Ball Knobs

Provide grip on control levers and push-pull rods

Damper Control Arms

Damper Control Arms

Connect actuating motors to your duct system to control ventilation dampers

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

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.)