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?

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

Custom Styli.pdf
Adobe Acrobat document [1.1 MB]

New!  Vast XXT adapter plates for star styli (with ID chip) for TL1 and TL3 sensors.  Available in 55 mm and 125 mm lengths.  Carbon fiber extension.  Titanium 5-way hub with M3 threads.  Adjustable star orientation.  Weight 7.2 grams (55 mm length shown).  Click here to order.