Screw Handles | McMaster-Carr

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5,762 Products

Building and Machinery Hardware

Adjustable Handles

Adjustable Handles

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

Knobs

Position, tighten, and secure fixtures and equipment

Cam Handles

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

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

Pull Handles

Use a handle to open and close cabinets, drawers, and doors

Pull Knobs

Use a knob to open and close cabinets, drawers, and doors

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Steering Wheel Knobs

Steering Wheel Knobs

Attach to steering wheels for one-hand operation

Crank Handles

The offset handle gives extra leverage to maximize turning force

Ball Knobs

Provide grip on control levers and push-pull rods

Ball-Lever Shafts

Ball-Lever Shafts

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

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Damper Control Arms

Damper Control Arms

Connect actuating motors to your duct system to control ventilation dampers

Fastening and Joining

Tighten and loosen by hand without the need for tools

T-Bolts

Turn by hand for easy fastening, use as a handle, or attach as a point for straps and clamps

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

L-Key Handles

Comfort with every turn—these upgrade your L-keys into T-handle keys

Fluid Handling

Valve Handles and Knobs

Valve Handles and Knobs

Replace the handle on most types of valves

Power Transmission

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Material Handling

Steps

Mount where you need them instead of dragging over a step stool every time

Fabricating and Machining

Vise Handles

Replace handles in vises

Retention Knobs

Retention Knobs

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

Electrical Power, Networking, and Controlling

Emergency Stop Switches

Emergency Stop Switches

Cut power to equipment during emergencies

Push-Button Switches

Push-Button Switches

Our most common switch type actuates circuits with the push of a button

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