BORON NITRIDE; 99.5% (METALS BASIS), HOT PRESSED ROD, 6.4MM DIA X 203MM LONG CAS:10043-11-5 AB204835 BORON NITRIDE; 99.5% (METALS BASIS), HOT PRESSED ROD, 9.5MM DIA X 203MM LONG CAS:10043-11-5 AB252885 | ||||||||||||||