Abstract of ASME B18.6.4 1998
Threads and Points for Type AB Thread Forming Tapping Screws
AB型自攻螺钉用螺纹和末端
AB型自攻螺钉用螺纹和末端  | Abstract of ASME B18.6.4 1998
AB型自攻螺钉用螺纹和末端  | Abstract of ASME B18.6.4 1998规格表