NC Spotting drills WK For spot and chamfering thread holes in one operation VHM TN2 HSSE P M K P M K P M K Material groups N S H N S H N S H Internal cooling - - - Quality of material HSSE HSSE VHM Coating TN2 TN2 - Point angle 90° 120° 142° Nakrój / Chamfer δ90 / δ120° δ142° Norm Ć d1 Tol.l1l2l1l2INDEXW2-003012 W2-003013 W9-0010143,046124512,00300 6 4,0 55 12 50 15,0 0400 5,0 62 15 50 18,0 0500 6,0 66 20 50 21,0 0600 8,0 79 25 60 25,0 0800 10,0 89 25 70 27,0 0100 12,0 102 30 70 27,0 0120 14,0 107 34 75 30,0 0140 16,0 115 35 75 30,0 0160 Vc[m/min] Feed [mm/rev] HSSE HSSE+TN2 VHM Ø2-Ø6 Ø6-Ø10 Ø10-Ø16 Rm<500 35-45 45-55 0,08-0,15 0,15-0,25 0,25-0,30 Rm<800 30-40 40-50 40-55 0,08-0,15 0,15-0,25 0,25-0,30 P Rm<1000 25-35 35-45 0,05-0,14 0,14-0,20 0,20-0,25 Rm<1400 8-10 12-15 25-30 0,04-0,12 0,12-0,15 0,15-0,18 M 10-15 15-20 25-30 0,04-0,12 0,12-0,18 0,18-0,22 K 20-30 30-40 45-50 0,08-0,15 0,15-0,20 0,20-0,25 N 35-80 45-90 55-110 0,08-0,15 0,15-0,20 0,20-0,25 S 5-6 8-10 20-30 0,03-0,06 0,06-0,12 0,12-0,15 H - - 10-15 0,04-0,06 0,06-0,10 0,10-0,12 Example of order 167 W2-003012-0300 Spotting dril NC 3,00 HSSE TN2