... , IVSN, IWSN, LS_EXT, LS_INT, PSQ, PTP, SM1, ...Zhuzhou ZZ Hardmetal, which was established in the hometown of hard ... Zhuzhou city in Hunan province. A professional Chinese manufacturer of tungsten carbide products such as carbide shims, drawing dies, cold forging dies, chipbreakers, carbide inserts, carbide ... 0050.115 ±0.004All dimensions in inches. YG8 tungsten carbide adjusting shim for CNC inserts