WELCOME

 

 

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.  

Download Your New Catalog

The Latest News:

Now Offering Very Small Silicon Nitride Sphere Styli

 

Q-Mark now offers 0.4 mm and 0.6 mm diameter silicon nitride spheres in its CMM stylus product line.

 

Silicon nitride is an extremely hard ceramic with a very low coefficient of friction. When polished, it’s an outstanding bearing material. Silicon nitride bearings provide long service life under very demanding conditions. Read More...

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