內六角頭螺栓 D600C-029500A001,材質:20Gr1MO1vNbTiB
D600C-099500A007,材質:20CrlMolvNbTiB
D600C-099150A002,材質:20CrlMolvNbTiB
D600B-099500A008,材質:25Cr2MoVA
D600C-099150A002,材質:20CrlMolvNbTiB
雙頭螺栓 D600P-296000A001M48*3*500,材質:25Cr2MoVA
D600C-029000A007
D600P-296000A002M48*3*317,材質:25Cr2MoVA 等型號。