... approved by ISO 9001 Quality Management System as CNAS of China and UKAS of UK. 1. Main Features1). Cutting StructureThe ... 1/2”),142.8mm(5 5/8”),149.2mm(5 7/8”)152.4mm(6”),155.5mm(6 1/8”),158 ... 1mm(6 1/2”)190.5mm(7 1/2”),193.6mm(7 5/8”),200.0mm(7 7/8”)212.7mm(8 3/8 ... ”),222.2mm8 3/4”) 241.3(9 1/2”),244.4(9 5/8”),250.8(9 7/8”)269.8(10 5/8 ... 3/4”)374.6(14 3/4”)381(15”),393.7(15 1/2”),406.4(16”)444.5(17 1 ...