Spotting & Centering DrillsHolemaking Spotting & Centering Drills DCN - for Centering ∙ External Coolant ∙ Countersink angle 60° P M K N S H Specification .120° Tip Angle .60° Countersink Angle (γ) .External Coolant .UNIX Coating ● ○ ● .Tolerance h8 Unit:mm Order No. D L1 L Ds Order No. D L1 L Ds DCN01000601 1.00 1.6 38 3 DCN01250601 1.25 1.9 38 3 DCN01600601 1.60 2.4 42 4 DCN02000601 2.00 2.9 50 5 DCN02500601 2.50 3.6 50 6 DCN03000601 3.00 3.9 60 8 DCN03150601 3.15 3.9 60 8 DCN04000601 4.00 5.0 75 10 DCN05000601 5.00 6.3 75 12 B086