3/8"-24 Knobs | McMaster-Carr

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System of Measurement

Thread Size

Mount Type

Threaded Through Hole

Material

Stainless Steel

Grip Style

Head Diameter

Color

Thread Depth

Thread Direction

Stud Length

Hub Height

Insert Material

Hub Diameter

Stud Material

Stainless Steel

Length

Handle Style

Head Height

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Hole Shape

Finish

Handle Length

Maximum Temperature

225° F to 249° F

250° F or greater

Minimum Temperature

-50° F or less

-49° F to -25° F

-24° F to -1° F

How can we improve?

65 Products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

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

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Ball-Lever Shafts

Ball-Lever Shafts

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

Control Cables

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

Pull Handles

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

Fastening and Joining

Spring Plungers

Spring Plungers

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

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