Subland twist drills with cylindrical shanks for holes prior to tapping screw threads Ingestion-build-71203 the result of the test

the result of the test method is probably negative

Enabling better strategic planning

verification of performance

Locally limited and small construction parts of air handling units

Subland twist drills with cylindrical shanks for holes prior to tapping screw threads Ingestion-build-71203 the result of the test1 Scope This International Standard lays down the dimensions of subland twist drills with cylindrical shanks for holes prior to tapping screw threads. The drills have been designed to produce holes prior to tapping metric threads (coarse pitch series) over a selected range of M3 to M14. This International Standard complements ISO 2306. Subland twist drills with Morse taper shanks for holes prior to tapping screw threads are dealt with in ISO 3438.