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Broad compatibility with ER20 chucks and a wide range of end mills and boring tools
Hard-material endurance with advanced coating: Engineered to cut hardened materials up to HRc70
repeatable fit: The tapered design ensures stable seating in collets or chucks
reducing tool changes and expanding setup options
durable profile that delivers a secure fit and reliable accuracy across tool changes
JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6g - M68 x 6 A&NF Broad compatibility with ER20 chucksThe JBO Thread Ring Gauge (NoGo) Metric Coarse, Right Hand, 6g, M68 x 6 is a precision inspection tool designed to verify external threads on coarse metric sizes. Its ideal for quality control teams, machinists, engineers, and inspectors who need fast, repeatable checks to ensure parts meet exact thread standards. Crafted from hardened steel for long lasting durability, this NoGo gauge withstands daily use in busy workshops and production lines. Its
