Six-Arm Knobs | McMaster-Carr

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Grip Style

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Threaded Through Hole

Unthreaded Hole

Unthreaded Through Hole

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18-8 Stainless Steel

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For Screw Head Type

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REACH

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Partially Threaded

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92 Products

Knobs

Threaded Through-Hole Knobs

Threaded Through-Hole Knobs

Long shafts can thread through these knobs for mounting versatility

Screw-Head Mount Knob Assortments

Screw-Head Mount Knob Assortments

Keep a convenient selection of knobs on hand

Screw-Head Mount Knobs

Screw-Head Mount Knobs

To build a custom knob or thumb screw, pair with a hex or socket head screw

Threaded-Hole Knobs

Threaded-Hole Knobs

Install on a threaded stud to provide a secure grip

Unthreaded Through-Hole Knobs

Unthreaded Through-Hole Knobs

Create custom threads

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

Tighten and loosen by hand without the need for tools

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

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