Drilling tools | CoroDrill® 862 CoroDrill® 862-GM, solid carbide micro drill​​ External coolant supply Metric (mm) N S O X1DU X1DU X1DU Ordering code DC LU LCF OAL DCONMS SIG LF PL ULDR TCDCON TCHA [mm] [mm] [mm] [mm] [mm] [deg] [mm] [mm] 862.1-2900-145A0-GM ● ● ● 2.90 14.50 19.52 50.00 3.00 118.00 49.13 0.87 5.00 h7 H7 862.1-2900-232A0-GM ● ● ● 2.90 23.20 28.22 50.00 3.00 118.00 49.13 0.87 8.00 h7 H7 862.1-2900-348A0-GM ● ● ● 2.90 34.80 39.82 62.50 3.00 118.00 61.63 0.87 12.00 h7 H7 862.1-3000-150A0-GM ● ● ● 3.00 15.00 20.20 50.00 3.00 118.00 49.10 0.90 5.00 h7 H7 862.1-3000-240A0-GM ● ● ● 3.00 24.00 29.20 50.00 3.00 118.00 49.10 0.90 8.00 h7 H7 862.1-3000-360A0-GM ● ● ● 3.00 36.00 41.20 62.50 3.00 118.00 61.60 0.90 12.00 h7 H7 ● = First choice ○ = Good choice 425