Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Number code<br>5 Code numbers for general characteristics<br> 5.1 General<br> 5.2 Materials of the working part<br> 5.3 Coatings and bindings<br> 5.4 Types of shanks, handles or bore diameters (of unmounted<br> instruments)<br> 5.5 Overall length<br>Annex A (informative) Examples of identification numbers<br>Bibliography