FROM M6" TO M90",BK,ZP,PL OR HDG Specialty in manufcturing hex nut for above 12 years, we can produce high quality nut and give you very conpetitive price 1)ISO9001:2000 2)Carbon steel,iron, 3)zinc plated.hot dip galvanized,black,brass 4)2,4,5,6,8,10,12
