Drilling tools | CoroDrill® 862 CoroDrill® 862-GM, solid carbide micro drill​​ For multi-materials. Internal coolant supply Common data values COATING PVD AlTiCrN Metric (mm) P M K N S H O X2BM X2BM X2BM X2BM X2BM X2BM X2BM Ordering code DC LU LCF OAL DCONMS SIG LF PL ULDR TCDCON TCHA [mm] [mm] [mm] [mm] [mm] [deg] [mm] [mm] 862.1-2710-243A1-GM ● ● ● ● ● ● ○ 2.71 24.30 27.50 61.00 3.00 140.00 60.51 0.49 8.97 h6 JS7 862.1-2800-252A1-GM ● ● ● ● ● ● ○ 2.80 25.20 28.00 61.00 3.00 140.00 60.49 0.51 9.00 h6 JS7 862.1-2820-252A1-GM ● ● ● ● ● ● ○ 2.82 25.20 28.00 61.00 3.00 140.00 60.49 0.51 8.94 h6 JS7 862.1-2870-252A1-GM ● ● ● ● ● ● ○ 2.87 25.20 28.00 61.00 3.00 140.00 60.48 0.52 8.78 h6 JS7 862.1-2900-261A1-GM ● ● ● ● ● ● ○ 2.90 26.10 29.00 61.00 3.00 140.00 60.47 0.53 9.00 h6 JS7 862.1-2950-261A1-GM ● ● ● ● ● ● ○ 2.95 26.10 29.00 61.00 3.00 140.00 60.46 0.54 8.85 h6 JS7 862.1-3000-270A1-GM ● ● ● ● ● ● ○ 3.00 27.00 31.00 61.00 3.00 140.00 60.45 0.55 9.00 h6 JS7 ● = First choice ○ = Good choice 433