Solid Carbide Drills DHC Solid Carbide Drills - 3×D (for Hardened Steel) 內冷高硬用鎢鋼鑽頭 Product Specs P M K N S H . 3×D Cutting depth . Reinforced Shank . 140° Tip Angle . Internal Coolant ○ ○ ● ○ ● . SINIX Coating . Tolerance h8 . Double Margins Design . SX Design . For Steel, Alloy Steel, Cast Iron and Hardened Steel(HRC 30~50). Unit:mm Order No. D L1 L Ds Order No. D L1 L Ds DHC12000302 12.00 55 102 12 DHC12100302 12.10 60 107 14 DHC12200302 12.20 60 107 14 DHC12300302 12.30 60 107 14 DHC12400302 12.40 60 107 14 DHC12500302 12.50 60 107 14 DHC12600302 12.60 60 107 14 Drilling DHC12700302 12.70 60 107 14 DHC12800302 12.80 60 107 14 DHC12900302 12.90 60 107 14 DHC13000302 13.00 60 107 14 DHC13200302 13.20 60 107 14 DHC13300302 13.30 60 107 14 DHC13500302 13.50 60 107 14 DHC13700302 13.70 60 107 14 DHC13800302 13.80 60 107 14 DHC14000302 14.00 60 107 14 DHC14200302 14.20 65 115 16 DHC14300302 14.30 65 115 16 DHC14400302 14.40 65 115 16 DHC14500302 14.50 65 115 16 DHC14700302 14.70 65 115 16 DHC15000302 15.00 65 115 16 DHC15200302 15.20 65 115 16 DHC15500302 15.50 65 115 16 DHC15600302 15.60 65 115 16 DHC15700302 15.70 65 115 16 DHC15800302 15.80 65 115 16 DHC16000302 16.00 65 115 16 DHC16500302 16.50 73 123 18 DHC17000302 17.00 73 123 18 DHC17500302 17.50 73 123 18 DHC18000302 18.00 73 123 18 DHC18500302 18.50 79 131 20 DHC19000302 19.00 79 131 20 DHC19500302 19.50 79 131 20 DHC20000302 20.00 79 131 20 C033