Drills and reamers - Specification for twist drills Ingestion-build-132972 maintaining and examining such equipment

maintaining and examining such equipment

What is ISO 155-Belt drives about

PD 7974-3:2011 considers the following issues:

Conditions during testing

ISO 17123-9 specifies field procedures for adoption when determining and evaluating the uncertainty of measurement results obtained by geodetic instruments and their ancillary equipment when used in building and surveying measuring tasks

Drills and reamers - Specification for twist drills Ingestion-build-132972 maintaining and examining such equipment1 Scope This Part of BS 328 specifies requirements for the dimensions, design, materials, hardness values and performance for twist drills made of high speed steel with either parallel or Morse taper shanks. A method of test for the drills specified is given in Annex A. NOTE The requirements in this standard may also form the basis for the specification of special purpose twist drills as agreed between the buyer and supplier. This British Standard is