6mm Synthetic Ruby Balls (8 Pack) - Precision Ruby Ball Inserts for CNC Probe Stylus, Jewelry Making, Beading, Bracelets & Crafts

CNC PROBE STYLUS REPLACEMENT - These 6mm synthetic ruby balls are primarily designed as high-precision tips for CNC probe styli and coordinate measuring machines (CMM). Their exceptional hardness and smoothness ensure accurate and repeatable measurements. INDUSTRIAL-GRADE PRECISION - Manufactured to a tight tolerance of ±0.01 mm, each ruby sphere offers consistent size and perfect balance. The material provides superior wear resistance and thermal stability for demanding mechanical and scientific applications. ELEGANT FOR JEWELRY & CRAFTS - Beyond industrial use, these brilliantly red, high-polish balls are perfect for creating unique jewelry pieces like bracelets, necklaces, and beaded art projects, adding a touch of luxury. PREMIUM SYNTHETIC RUBY MATERIAL - Made from high-grade synthetic ruby, these balls are solid, non-porous, and exceptionally hard, ensuring long-lasting performance and a brilliant, scratch-resistant surface. VALUE PACK FOR PROFESSIONALS - This pack includes 8 pieces of 6mm ruby balls, offering great value for engineers, machinists, jewelers, and hobbyists. Each ball is individually quality-checked for a flawless finish.