Diamond Styli - For Ultimate Performance

Q-Mark is pleased to offer precision diamond styli in nearly any standard thread size and configuration.  Diamond styli are an excellent choice for demanding applications. Their performance is unmatched when measuring hard, abrasive, or very soft surfaces.  They are available in two types: solid diamond, and diamond coated spheres.

Solid Diamond or Diamond Coated?

Diamond styli are perfect for measuring both hard, abrasive surfaces and very soft alloys. How to choose the right one for your application.

No Wear

Diamond is the hardest substance on earth.  It has excellent impact resistance and resists even the strongest acids and bases.

No Build-Up

Even the softest alloys will not stick to diamond spheres.