... available, following customer's requestment. collars:we are the manufacturer for all kinds of collars,shaft collars,split collars,doubleor single split collars.we are also the professional ... customer's requestment.type: 08B, 10B, 12B, 14B......, in single, double, triple row.ANSI, ISOTreatment: forging, hobbing, blackening, quenching. CNC machine ...