Drilling tools | CoroDrill® 862 CoroDrill® 862-GM, solid carbide micro drill for pilot holes​​ External coolant supply Common data values COATING PVD AlCrN Metric (mm) P M K N S H O X2BL X2BL X2BL X2BL X2BL X2BL X2BL Ordering code LU LCF OAL DCONMS SIG LF PL TCDCON TCHA [mm] [mm] [mm] [mm] [deg] [mm] [mm] 862.2-2820-056A0-GP ● ● ● ● ● ● ○ 5.60 13.50 50.00 4.00 140.00 49.19 0.51 h8 H8 862.2-2850-056A0-GP ● ● ● ● ● ● ○ 5.60 13.50 50.00 4.00 140.00 49.18 0.52 h8 H8 862.2-2870-056A0-GP ● ● ● ● ● ● ○ 5.60 13.50 50.00 4.00 140.00 49.17 0.52 h8 H8 862.2-2900-058A0-GP ● ● ● ● ● ● ○ 5.80 14.00 50.00 4.00 140.00 49.16 0.53 h8 H8 862.2-2950-059A0-GP ● ● ● ● ● ● ○ 5.90 14.00 50.00 4.00 140.00 49.15 0.54 h8 H8 862.2-3000-060A0-GP ● ● ● ● ● ● ○ 6.00 14.00 50.00 4.00 140.00 49.13 0.55 h8 H8 ● = First choice ○ = Good choice 439