BS ISO 4206:2016 pdf download.Counterbores with parallel shanks and solid pilots. This International Standard specifies the dimensions, in millimetres, and the tolerances of counterbores with parallel shanks and solid pilots for general use. 2 Dimensions The dimensions and tolerances are shown in Figure 1 and given in Table 1. NOTE Figure 1 ilustrating this International Standard is diagrammatic only. It is not intended to show details of design.BS ISO 4206 pdf download.
Download Address
Download