... and NutWe focus on offering bucket teeth, adapters, blades,cutting edge,end bits,power bolt and etc which applied to Construction Machinery ... ,5D9554,5D9558,5D9559, 4T3034,4T3007,4T3036 and so on.- Cutting Edge- End bits- Power bolt and Nut.Our main market are focusing ... >=1670Mpa>=1440Mpa9%HB 440--520>=29J♦Cutting EdgeHN8>=1130Mpa>=600Mpa7%HB 280--320>7J♦End bit30MnB>=1670Mpa>=1440Mpa9%HB 440--520>= ...