Drilling tools | CoroDrill® Dura 462 CoroDrill® Dura 462, solid carbide step and chamfer drill for multi-materials​​ Nominal drilling depth up to 6xD. Internal coolant supply Common data values COATING PVD TiAlCrSiN Metric (mm) P M K N S H X2BM X2BM X2BM X2BM X2BM X2BM Ordering code DC 1 DC 2 LU _ _ LCF OAL DCONMS SIG LF PL TCDCON TCHA [mm] [mm] [mm] [mm] [mm] [mm] [deg] [mm] [mm] 462.2-1651-053A1-XM ● ● ● ● ● ● 16.51 20.00 53.33 86.00 142.00 20.00 140.00 140.00 3.00 h6 H9 462.2-1700-054A1-XM ● ● ● ● ● ● 17.00 20.00 54.67 86.00 142.00 20.00 140.00 140.00 3.09 h6 H9 462.2-1746-055A1-XM ● ● ● ● ● ● 17.46 20.00 55.94 88.00 142.00 20.00 140.00 139.00 3.18 h6 H9 462.2-1750-056A1-XM ● ● ● ● ● ● 17.50 20.00 56.05 88.00 142.00 20.00 140.00 139.00 3.18 h6 H9 462.2-1800-057A1-XM ● ● ● ● ● ● 18.00 20.00 57.42 90.00 142.00 20.00 140.00 139.00 3.28 h6 H9 ● = First choice ○ = Good choice 252