作废 JB/T 8824.4-1998
统一螺纹螺母丝锥 统一螺纹螺母丝锥 Nut taps for unified threads
发布日期:1998-12-29
实施日期:1999-07-01
分类信息
标准简介

本标准规定了统一螺纹螺母丝锥的型式、尺寸和标记等的基本要求。 本标准适用于加工螺纹代号为No.4 ~No.12、1/4~2的统一螺纹螺母丝锥

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丝锥螺母螺纹

最后更新时间 2025-08-30