PS 1364-1975
带有保护斜面的中心孔的中心孔钻．类型B

SPECIFICATION FOR CENTRE DRILLS FOR CENTRE HOLES WITH PROTECTING CHAMFER—TYPE-B

PS 1364-1975 发布历史

This Pakistan Standard specifies the dimensions of Centre drills for centre holes with protecting chamfer—Type B. It covers only metric dimensions regarded as the only recom mended dimensions in the future for this type of drills. The flutes may be straight or spiral at the option of the manufacturer. Unless otherwise stated these drills will be right-hand cut ting. This Pakistan Standard includes an Annex giving the re commended dimensions for the centre holes, Type B, which can be obtained by a rational use of the centre drills listed in this international Standard.

PS 1364-1975由PK-PSQCA 发布于 1975-1-1。

PS 1364-1975的历代版本如下：

• 1975年01月01日 PS 1364-1975 带有保护斜面的中心孔的中心孔钻．类型B

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标准号

PS 1364-1975

发布日期

1975年01月01日

实施日期

废止日期

无

发布单位

PK-PSQCA

适用范围

This Pakistan Standard specifies the dimensions of Centre drills for centre holes with protecting chamfer—Type B. It covers only metric dimensions regarded as the only recom mended dimensions in the future for this type of drills. The flutes may be straight or spiral at the option of the manufacturer. Unless otherwise stated these drills will be right-hand cut ting. This Pakistan Standard includes an Annex giving the re commended dimensions for the centre holes, Type B, which can be obtained by a rational use of the centre drills listed in this international Standard.