Recommendations for tapping drill sizes for use with fluted taps Ingestion-build-189776 general considerations

general considerations

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Recommendations for tapping drill sizes for use with fluted taps Ingestion-build-189776 general considerationsWhat is BS 11570 Fluted taps about? BS 1157 provides recommendations for tapping drill sizes for use with fluted taps. These recommendations give drill sizes, covered by BS 328 1, for use before tapping the indicated threads. BS 1157 covers preferred thread forms and non preferred forms. BS 1157 also covers alternative tapping drill sizes. Who is BS 1157 Fluted taps for? BS 1157 on recommendations for tapping drill sizes for use with fluted taps is