DC Series MICRO GRAIN CARBIDE CENTER DRILLS ( r ) 60 Degree ( r ) 90 Degree Dia. CL OAL Shank Order No. Order No. (d) (L1) (L) (D) DCTNA201001 DCTNA201002 1.00 1.6 32 3 DTCNA2 DCTNA201251 DCTNA201252 1.25 1.9 32 3 DCTNA201601 DCTNA201602 1.60 2.4 32 4 DCTNA202001 DCTNA202002 2.00 2.9 40 5 DCTNA202501 DCTNA202502 2.50 3.6 45 6 DCTNA203001 DCTNA203002 3.00 3.9 60 8 DCTNA203151 DCTNA203152 3.15 3.9 60 8 DCTNA204001 DCTNA204002 4.00 5.0 75 10 DCTNA205001 DCTNA205002 5.00 6.3 75 12 Dimension . 120 Degree Tip Angle . 60 Point Angle . 90 Point Angle . Uncoating Tolerance . d h7 . D h6 Material . STEEL ~ HRC 30 . CAST IRON Recommend Cutting Condition . Table 10 (Page:C30) C23