Centre drills for centre holes with protecting chamfer. Type B Ingestion-build-67170 Other topologies are excluded of

Other topologies are excluded of the scope of this International Specification

method of operation

cerealbased products

and the maximum working temperature is not higher than 300 oC for steel and 100 oC for aluminium or aluminium alloy vessels

It is assumed that the rise of the temperature of the inner conductor when submitted to the maximum current under nominal ambient conditions does not affect the mechanical and electrical properties of the cable

Centre drills for centre holes with protecting chamfer. Type B Ingestion-build-67170 Other topologies are excluded of1 Scope This International Standard specifies the dimensions of centre drills for centre holes with protecting chamfer Type B. It covers only metric dimensions, regarded as the only recommended dimensions in the future for this type of drills. The flutes can be straight or spiral at the option of manufacturer. Unless otherwise stated, these drills are right hand cutting. Annex A gives the recommended dimensions for the centre holes, Type B, which can