Handle Knobs | McMaster-Carr

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3,530 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

1,326 products

Ball Knobs

Provide grip on control levers and push-pull rods

270 products

Adjustable Handles

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

763 products

Lever Handles

Replace gear levers or attach to cranks and hand wheels to make them easier to turn

105 products

Cam Handles

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

106 products

Pull Handles and Knobs

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

48 products

Crank Handles

The offset handle gives extra leverage to maximize turning force

102 products

Steering Wheel Knobs

Attach to steering wheels for one-hand operation

6 products

Ball-Lever Shafts

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

56 products

Machine Handles

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

33 products

Hand Wheels

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

336 products

Control Cables

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

64 products

Indicating Knobs

Control devices and view settings at a glance

89 products

Starter Pull Cords

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

1 product

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

52 products

Spring Handles

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

21 products

Door Knob Converters

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

1 product

Door Handles and Knobs

Open and close latching doors

58 products

Damper Control Arms

Connect actuating motors to your duct system to control ventilation dampers

3 products

Door Installation Kits

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

6 products

Chain Wheels

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

33 products

Pull Cords

Operate doors, vents, skylights, and overhead equipment

7 products

Fluid Handling

Valve Handles and Knobs

Replace the handle on most types of valves

15 products

Fabricating and Machining

Vise Handles

Replace handles in vises

5 products

Measuring and Inspecting

Micrometer Speeder Knobs

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

4 products

Containers, Storage, and Furniture

Strap Handles

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

6 products