Steel Knobs | McMaster-Carr

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How can we improve?

2,791 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Ball Knobs

Provide grip on control levers and push-pull rods

Adjustable Handles

Adjustable Handles

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

Pull Handles and Knobs

Pull Handles and Knobs

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

Lever Handles

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

Machine Handles

Machine Handles

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

Ball-Lever Shafts

Ball-Lever Shafts

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

Hand Wheels

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

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Crank Handles

The offset handle gives extra leverage to maximize turning force

Cam Handles

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

Door Handles and Knobs

Door Handles and Knobs

Open and close latching doors

Door Handle and Knob Guards

Door Handle and Knob Guards

Prevent unauthorized entry by blocking access to the knob

Spring Handles

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

Steering Wheel Knobs

Steering Wheel Knobs

Attach to steering wheels for one-hand operation

Door Push and Pull Plates

Door Push and Pull Plates

Protect doors from wear while adding an easy-to-open handle

Ratchet Handles

Ratchet Handles

Quickly adjust machine components and valves in tight spaces

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

Pull Cords

Operate doors, vents, skylights, and overhead equipment

Fastening and Joining

Tighten and loosen by hand without the need for tools

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Fabricating and Machining

Retention Knobs

Retention Knobs

Attach tool holders such as collet chucks and end mill holders to your CNC machine’s spindle

Vise Handles

Replace handles in vises

Fluid Handling

Valve Handles and Knobs

Valve Handles and Knobs

Replace the handle on most types of valves

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