CMM 10mm Extension Tip

With Ruby Balls And Stainless Shafts • Made in U.S.A. Featuring the most popular sizes of replacement styli and extensions for cmm probes. Thread Size: 2mm x .4mm (3mm adapter available) Tracer tip balls are manufactured from synthetic grade 25 ruby to ultimate accuracy, guaranteed roundness tolerance 25 millionths (.000025"). The outstanding physical properties of ruby meet the most demanding requirements in measuring; ruby balls are superior in hardness, in resistance to wear, in chemical stability, in low friction and thermal expansion.