
Drilling tools | CoroDrill® 860 CoroDrill® 860-GM, solid carbide step and chamfer drill For multi-materials. Internal coolant supply Common data values COATING PVD TiAlSiN+TiSiN Metric (mm) P M K N S H X1BM X1BM X1BM X1BM X1BM X1BM Ordering code DC 1 DC 2 LU _ _ LCF OAL DCONMS SIG LF PL CP TCDCON TCHA [mm] [mm] [mm] [mm] [mm] [mm] [deg] [mm] [mm] [bar] 860.2-0335-011A1-GM ● ● ● ○ ○ ● 3.35 4.50 11.30 19.00 66.00 6.00 140.00 61.40 0.60 20 h6 H9 860.2-0340-011A1-GM ● ● ● ○ ○ ● 3.40 4.60 11.40 19.00 66.00 6.00 140.00 65.40 0.60 20 h6 H9 860.2-0425-014A1-GM ● ● ● ○ ○ ● 4.25 5.70 14.30 23.00 66.00 6.00 140.00 65.30 0.70 20 h6 H9 860.2-0430-014A1-GM ● ● ● ○ ○ ● 4.30 5.80 14.50 23.00 66.00 6.00 140.00 65.30 0.70 20 h6 H9 860.2-0465-015A1-GM ● ● ● ○ ○ ● 4.65 5.90 15.50 23.00 66.00 6.00 140.00 65.20 0.80 20 h6 H9 860.2-0500-016A1-GM ● ● ● ○ ○ ● 5.00 6.80 16.80 28.00 79.00 8.00 140.00 78.20 0.80 20 h6 H9 860.2-0510-017A1-GM ● ● ● ○ ○ ● 5.10 6.90 17.10 28.00 79.00 8.00 140.00 78.10 0.90 20 h6 H9 860.2-0550-018A1-GM ● ● ● ○ ○ ● 5.50 7.40 18.60 28.00 79.00 8.00 140.00 78.10 0.90 20 h6 H9 860.2-0555-018A1-GM ● ● ● ○ ○ ● 5.55 7.50 18.70 28.00 79.00 8.00 140.00 78.10 0.90 20 h6 H9 860.2-0660-022A1-GM ● ● ● ○ ○ ● 6.60 8.90 22.30 37.00 89.00 10.00 140.00 87.90 1.10 20 h6 H9 860.2-0675-022A1-GM ● ● ● ○ ○ ● 6.75 9.10 22.70 37.00 89.00 10.00 140.00 87.80 1.20 20 h6 H9 860.2-0685-023A1-GM ● ● ● ○ ○ ● 6.85 9.20 23.00 37.00 89.00 10.00 140.00 87.80 1.20 20 h6 H9 860.2-0690-023A1-GM ● ● ● ○ ○ ● 6.90 9.30 23.20 37.00 89.00 10.00 140.00 87.80 1.20 20 h6 H9 860.2-0700-023A1-GM ● ● ● ○ ○ ● 7.00 9.50 23.60 37.00 89.00 10.00 140.00 87.80 1.20 20 h6 H9 860.2-0740-024A1-GM ● ● ● ○ ○ ● 7.40 9.80 24.70 37.00 89.00 10.00 140.00 87.70 1.30 20 h6 H9 860.2-0850-028A1-GM ● ● ● ○ ○ ● 8.50 11.50 28.50 42.00 102.00 12.00 140.00 100.50 1.50 20 h6 H9 860.2-0860-028A1-GM ● ● ● ○ ○ ● 8.60 11.60 28.90 42.00 102.00 12.00 140.00 100.50 1.50 20 h6 H9 860.2-0870-029A1-GM ● ● ● ○ ○ ● 8.70 11.70 29.20 42.00 102.00 12.00 140.00 100.50 1.50 20 h6 H9 860.2-0900-030A1-GM ● ● ● ○ ○ ● 9.00 11.80 30.00 42.00 102.00 12.00 140.00 100.50 1.50 20 h6 H9 860.2-1025-034A1-GM ● ● ● ○ ○ ● 10.25 13.80 34.40 52.00 107.00 14.00 140.00 105.20 1.80 20 h6 H9 860.2-1030-034A1-GM ● ● ● ○ ○ ● 10.30 13.80 34.60 52.00 107.00 14.00 140.00 105.20 1.80 20 h6 H9 860.2-1040-034A1-GM ● ● ● ○ ○ ● 10.40 13.80 34.80 52.00 107.00 14.00 140.00 105.20 1.80 20 h6 H9 860.2-1050-035A1-GM ● ● ● ○ ○ ● 10.50 13.80 35.20 52.00 107.00 14.00 140.00 105.20 1.80 20 h6 H9 ● = First choice ○ = Good choice 360