作废 JB/T 8825.2-1998
惠氏螺纹丝锥 螺纹公差 惠氏螺纹丝锥 螺纹公差 Manufacturing tolerances on the threaded portion for whitworth threads taps
发布日期:1998-12-29
实施日期:1999-07-01
分类信息
标准简介

JB/T 8825.2-1998 本标准参照英国标准 BS 949.2-1979《丝锥规范(第二部分)统一螺纹的丝锥》中相关部分制订。螺纹极限尺寸偏差按 BS 949 的有关规定,对个别有错误的尺寸进行了修改。半角偏差参照我国国家标准 GB/T 968-1994《丝锥螺纹公差》制订。 本标准规定了惠氏加工螺纹丝锥螺纹牙型和尺寸的极限偏差。 本标准适用于惠氏螺纹的丝锥。 本标准于 1998 年 12 月 29 日首次发布

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螺纹丝锥公差惠氏

最后更新时间 2025-08-30