BS ISO 04205:2016 pdf download – Countersinks, 90°, with parallel shanks and solid pilots
This International Standard specifies the dimensions, in millimetres, and the tolerances of 90° countersinks with parallel shanks and solid pilots for general use.
The dimensions and tolerances are shown in Figure 1 and given in Table 1.
NOTE Figure 1 illustrating this International Standard is diagrammatic only. It is not intended to show details of design.BS ISO 04205 pdf download.