Handle Knobs | McMaster-Carr

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3,558 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Adjustable Handles

Adjustable Handles

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

Ball Knobs

Provide grip on control levers and push-pull rods

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

Pull Handles and Knobs

Pull Handles and Knobs

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

Hand Wheels

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

Crank Handles

The offset handle gives extra leverage to maximize turning force

Steering Wheel Knobs

Steering Wheel Knobs

Attach to steering wheels for one-hand operation

Ball-Lever Shafts

Ball-Lever Shafts

Attach a ball knob to create a custom handle for operating machinery

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

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Control Cables

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

Starter Pull Cords

Starter Pull Cords

Replace pull cords on generators, lawn mowers, and other machines

Spring Handles

The wire coils dissipate heat to keep furnace, grill, and stove handles cool to the touch

Door Knob Converters

Door Knob Converters

Convert a knob into an easy-to-open handle without replacing the hardware

Door Handles and Knobs

Door Handles and Knobs

Open and close latching doors

Damper Control Arms

Damper Control Arms

Connect actuating motors to your duct system to control ventilation dampers

Pull Cords

Operate doors, vents, skylights, and overhead equipment

Chain Wheels

Add a pull chain to operate overhead doors, hatches, and valves

Door Installation Kits

Door Installation Kits

Complete your door installation with a handle or knob, strike plate, and hinges

Fluid Handling

Valve Handles and Knobs

Valve Handles and Knobs

Replace the handle on most types of valves

Fabricating and Machining

Vise Handles

Replace handles in vises

Containers, Storage, and Furniture

Strap Handles

Wrap around bundles and hard-to-grip objects for a more convenient carry

Measuring and Inspecting

Micrometer Speeder Knobs

Micrometer Speeder Knobs

Color code micrometers by calibration date, precision, or other criteria

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