BS 3409-1:1961-用于安装钢丝螺纹嵌件（UNC和UNF螺纹）的孔攻丝规范直径3/16英寸及以上-国家数字标准馆

现行 BS 3409-1:1961

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Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads)-Diameters ¼ in and over 用于安装钢丝螺纹嵌件（UNC和UNF螺纹）的孔攻丝规范直径3/16英寸及以上

发布日期： 1961-08-16

规定螺纹孔的尺寸限制，以容纳钢丝螺纹嵌件，以提供UNC（含3/16英寸）至1½英寸（含1½英寸）的螺纹尺寸，以及UNF（含3/16英寸）至1英寸（含1英寸）的螺纹尺寸。它包括对螺纹丝锥螺纹部分的一般尺寸和尺寸限制的建议，以产生符合规定限制的孔，以及用于检查这些孔的推荐测量系统的详细信息。交叉引用:BS 919:第1BS 949BS 1044BS 1580部分

Specifies limits of size for tapped holes to accommodate wire thread inserts to provide thread sizes from 3/16 in to 1½ in UNC inclusive and from 3/16 in to 1 in UNF inclusive. It includes recommendations for general dimensions and limits of size on the threaded portion of screwing taps intended to produce holes to the limits specified, together with details of a recommended gauging system for checking them.Cross References:BS 919:Part 1BS 949BS 1044BS 1580

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发布单位或类别：英国-英国标准学会

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