标准查询

本数据由华人螺丝网提供

Abstract of ASME B18.6.4 1998 十字槽低沉头自攻螺钉

Cross Recessed Undercut Flat Countersunk Head Tapping Screws

Abstract of ASME B18.6.4 1998 十字槽低沉头自攻螺钉