Probe Styli and Tooling for Industrial Metrology.

No Waiting.

Q-Mark manufactures probe styli and associated tooling for CMMs and machine tools.  Our styli work with all probe systems.  Q-Mark styli are available with ruby, silicon nitride, zirconia, ceramic, and carbide balls.


All of our products are made in USA at our ISO 9001:2008 certified plant in California.


Order today, use tomorrow.  No waiting.  Online orders ship free.

How can we serve you?

Q-Mark's Probe of the Month for September 2014 is a stylus with a one-piece stainless steel body and 6.0 mm ceramic ball.  It's 8.0" long overall.  

Click here for all the details.

What do lollipops, pizzas, and custom styli have in common?  See Quality Magazine's June 2014 article on custom styli, written by Mark Osterstock, to find out!

Custom Styli.pdf
Adobe Acrobat document [1.1 MB]