ISO-3293 › Historical Revision Information
Morse taper shank countersinks for angles 60 degrees, 90 degrees and 120 degrees inclusive
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Specifies only the metric dimensions of these countersinks. Metric dimensions being regarded as the only recommended dimensions in the future, for these countersinks with diameters in the range 16 to 80 mm. The dimensions given apply only to tools made from high speed steel or a suitable carbon steel. These countersinks will be usually rigth-hand cutting.
To find similar documents by classification:
25.100.30 (Drills, countersinks, reamers)
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Document Number
ISO 3293:1975
Revision Level
1ST EDITION
Status
Superseded
Publication Date
July 15, 1975
Committee Number
ISO TC 29/SC 2