"gear style component" - unknown name

You loosen a screw (knob) and then move to the angle you want and tighten.

I need to know what the engineering term for this part is.

Thank you in advance

  • 1
    $\begingroup$ Bolted joint. I have lamp with a boom arm that can be adjusted with loosening a bolt at its joint. $\endgroup$
    – kamran
    Commented Jul 31, 2018 at 5:51
  • $\begingroup$ I think he's asking specifically about the "gear style", or toothed component? $\endgroup$ Commented Jul 31, 2018 at 15:03

1 Answer 1


There isn't a 'universally recognised' name for this. "Toothed Clamping Element/Plate" was the most common that I could find, with multiple sellers online using this terminology.

Toothed Clamping ElementClamping Element Diagram

These are often used in conjunction with spring-loaded clamping lever/screws, which allow you to disengage the lever by pressing down on the screw head.

Clamping Lever

  • $\begingroup$ For @Sadie - the teeth, are just called “teeth” as far as I can tell... $\endgroup$ Commented Sep 1, 2018 at 18:43

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