... , UNC, UNF, BSP, BSW, BSPT , BA & ALSO GAUGES AS PER YR DRG & DIMNS.WE ARE ALSO MANUFACTURING HARDENED , GROUND AND LAPPED ... .1 MM ONWARDS· SPECIAL GAUGES : CONCENTRICITY, SPECIAL GAUGES AS PER YR REQT. IIF ANY FURTHER DETAILS ARE REQUIRED KINDLY INFORM US ...