Thumb Wheels | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Head Diameter

Length

Mount Type

Threaded Through Hole

Unthreaded Hole

Unthreaded Through Hole

Grip Style

Thumb Screw Head Shape

Head Height

Threading

Partially Threaded

Round-Head Thumb Screw Profile

Hub Height

Color

Hub Diameter

Thread Direction

Thread Pitch

Nut Type

Finish

Corrosion-Resistant Coated

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Thread Type

Stud Material

Stainless Steel

Hole Diameter

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3,728 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Pull Handles and Knobs

Pull Handles and Knobs

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

Fastening and Joining

Tighten and loosen by hand without the need for tools

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Easy to tighten and loosen by hand for making frequent adjustments

Panel Nuts

Extremely thin for tight spots such as electrical panels; also known as dress nuts

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Electrical

Light Switches

Manually turn lights on and off

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

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.)