Q-Mark manufactures styli and accessories


 for the metrology and machine 


tool industries. 



Our products are manufactured in


California, USA. 



We offer same-day shipping of


all our catalog products. 


Custom designs are welcome.  

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The Latest News:

Discover Q-Mark’s Range     of Blum Novotest™ Compatible Parts


Blum-Novotest™ GmbH manufactures specialized machinery and components for industrial metrology.  Their high-speed touch probes are used on numerous CNC machine tools.  Many of Q-Mark’s clients employ Blum-Novotest™ machine tool probes as a part of their overall process and quality control systems. Read More... 


HOW TO: Easily Calibrate Disc, Miniature and Cylinder Probe Styli Using Calibration Spheres

As featured on Quality Digest Live's Tech Corner:

Dirk Dusharme, Editor in Chief at Quality Digest Magazine, walks us through the simple steps to calibrate a 16 mm disc probe, a 300 micron probe and a 2 mm cylinder probe using a 25 mm and 8 mm calibration sphere. Q-Mark offers all these products including the calibration spheres and mounting stands. 

Q-Mark styli are also available on