标 准 编 号：BS EN ISO 8675-2001 简体中文标题：米制细牙螺纹六角头薄螺母（倒角）.产品等级A和B级 繁体中文标题：米制细牙螺纹六角头薄螺母（倒角）.产品等级A和B级 English Name：Hexagon thin nuts (chamfered) with metric fine pitch thread - Product grades A and B ...