JB/T 8004.5
📋 Scope / 适用范围 ai_extracted
本标准规定了螺纹规格为M3~M20 的带孔滚花螺母。
📚 References & Relations / 引用与关联
normative_reference
GB/T 699-1988
normative_reference
JB/T 8044-1999
Content extracted by AI. Not officially verified.