Eight Arm Knobs | McMaster-Carr

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Grip Style

Mount Type

Unthreaded Hole

Unthreaded Through Hole

System of Measurement

Head Diameter

Thread Size

Material

Hub Diameter

Stud Length

Hub Height

Hole Shape

Thread Direction

Hole Diameter

Stud Material

Color

Head Height

Maximum Temperature

250° F or greater

Export Control Classification Number (ECCN)

Hole Depth

Insert Material

Thread Depth

Hole Width

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Minimum Temperature

-49° F to -25° F

-24° F to -1° F

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19 Products

Knobs

Threaded-Stud Knobs

Threaded-Stud Knobs

Mount these knobs into a threaded hole

Threaded-Hole Knobs

Threaded-Hole Knobs

Install on a threaded stud to provide a secure grip

Unthreaded-Hole Knobs

Unthreaded-Hole Knobs

Tap custom threads or secure with a set screw

Machinable-Hub Knobs

Machinable-Hub Knobs

Mill specific holes or keyways in the hub, or weld in place

Other Products

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.)