C`sink and Deburring Tools Countersink Cat. no. PN/mm2 HHRC MN/mm2 KHB SN/mm2 NN/mm2 HSS DIN Form 90°335C right hand Straight 110187 Alloys with copper, coated cutting shank < 1,200 < 55 < 700 < 250 Titanium zinc and magnesium, Plastics 110188 aluminiumvc = m/min. UNI 110187 12-36 5 10 12-14 10 30-42 42 11 110188Design: Reason no. 1 Reason no. 2 Reason no. 3 Reason no. 4 - HSS special coated Reduced axial force... by 50 % Reduced radial force by 25 % Extreme uneven division Optimised countersink - right hand cut, with 3 edges Radial force N - extreme uneven distribution - radial relief ground Standard countersink 110188 - with 3 clamping flats at the shank Standard countersink Standard countersink Use: For machining of steel, cast and non-ferrous metals. 110187 110188 110187 BECK, EUC-Speed, HSS, 90° 110188 BECK, EUC-Speed, HSS, 90°, with 3 clamping flats at shank d1mm 110187 110188 d3mm l1mm d2mm fmm/U 4,30   1.3 40 4 0.030 - 0.100 6,00   1.5 45 5 0.040 - 0.1206,301.54550.040 - 0.120 111011081787––SSaettz: :55-p-iteecielig 8,00   2.0 50 6 0.060 - 0.140 8,30   2.3 50 6 0.060 - 0.140 10,00   2.5 50 6 0.060 - 0.14010,402.55060.060 - 0.140 111100118888 –– SSaetzt:: 55--tpeiieligce 11,50   2.8 56 8 0.060 - 0.140 12,40 15,00  2.8 56 8 0.070 - 0.1803.256100.070 - 0.180 110187 BECK, EUC-Speed, set, HSS, 90°, 5-piece 16,50   3.2 60 10 0.080 - 0.200 110188 BECK, EUC-Speed, set, HSS, 90°, 19,00   3.5 63 10 0.080 - 0.200 with 3 clamping flats at shank, 5-piece 20,50   3.5 63 10 0.090 - 0.240 23,00   3.8 67 10 0.090 - 0.240 Type 110187 110188 Contents 25,00   3.8 67 10 0.120 - 0.300 31,00   4.2 71 12 0.120 - 0.300 SET   6.3 | 10.4 | 16.5 | 20.5 | 25.0 mm Countersink Cat. no. PN/mm2 HHRC MN/mm2 KHB SN/mm2 NN/mm2 VHM DIN Form 90°335C right hand Straight 110189 < 1,200 <63 < 850 < 450 Titanium Copper, brass, alu > 7 % coated cutting shank vc = m/min. 110189 18-60 8 16 25 16 50-65 UNI Design: Use: - VHM special coated For machining of almost all materials - right-hand cutting, with 3 edges - extreme uneven distribution - radial relief ground 110189 BECK, EUC-Speed, VHM, 90° d1mm 110189 d3mm l1mm d2mm fmm/U 6,30  1.5 45 5 0.040 - 0.120 8,30  2.0 50 6 0.060 - 0.140 10,40  2.5 50 6 0.060 - 0.140 12,40  2.8 56 8 0.070 - 0.180 16,50  3.2 60 10 0.080 - 0.200 20,50  3.5 63 10 0.090 - 0.240 25,00  3.8 67 10 0.120 - 0.300 31,00  4.2 71 12 0.120 - 0.300 11/116 www.precitool.de