Drills NC Spotting - Precision drill for machine use - Rigid design for “seat” position accuracy - 90º offers hole chamfering & spotting with the one tool - 120º for spotting, matching a typical drill point - Only drill to the depth of the point Catalogue Code 90º 120º 90º Catalogue Code D175 D176 D355 Discount Group A1124 A1124 A0208 HSS Co HSS Co VHM Surface Finish TiN TiN Brt Colour Ring & Application NC NC NC Geometry - - - Point Type 90º 120º 90º Size Ref. Material D100 0100 Item # Shank Tolerance Size Ref. d1 0300 0400 0500 0600 0800 1000 1200 1600 2000 2500 3,0 4,0 5,0 6,0 8,0 10,0 12,0 16,0 20,0 25,0 l1 l2 d2 49 16 3,0 55 22 4,0 62 25 5,0 66 25 6,0 79 29 8,0 89 32 10,0 102 32 12,0 115 35 16,0 131 37 20,0 151 37 25,0 h9 h9 h9 Item # Item # Item # D175 0300 D175 0400 D175 0500 D175 0600 D175 0800 D175 1000 D175 1200 D175 1600 D175 2000 D175 2500 D176 0300 D176 0400 D176 0500 D176 0600 D176 0800 D176 1000 D176 1200 D176 1600 D176 2000 D176 2500 D175 0004 D176 0004 Vc Vc Pieces D355 0500 D355 0600 D355 0800 D355 1000 D355 1200 D355 1600 D355 2000 Sets 6,0, 8,0, 10,0, 12,0 4 Materials HB N/mm2 1.1 Mild steels, magnetic soft steel 1.2 Free cutting, structural, unalloyed 1.3 Plain carbon, low alloyed 1.4 Alloy steels harden. / tempered 1.5 Alloy steels harden. / tempered 1.6 Hardened, heat treated, high tensile alloy 1.7 Hardened Steel 45-50 Rc <200 <200 <300 <250 <350 <420 <550 >200 <400 >350 <700 >350 <850 >500 <850 >850 <1200 >1500 10 30 20 30 30 12 <12 2.1 Free machining 2.2 Austenitic 2.3 Ferritic + martensitic <250 <250 <250 <850 <850 <850 25 20 20 3.1 Lamellar graphite (Grey soft) 3.2 Lamellar graphite (Grey hard) 3.3 Nodular (spheroidal) graphite & malleable <150 <300 <200 <500 <1000 <700 4.1 Pure Titanium 4.2 Titanium alloys <250 >250 5.1 Nickel alloys 5.2 Nickel alloys 1.0 Steels % Elong. Material eg. Feed No. Feed No. Vc Feed No. 35 25 20 15 15 12 10 4 4 4 4 3 3 3 35 25 20 15 15 12 10 4 4 4 4 3 3 3 80 80 65 60 50 50 40 5 5 5 5 4 4 4 X8CrNiS18-9 X5CrNi18-10 X20Cr13 10 15 10 3 2 2 10 15 10 3 2 2 25 20 25 3 2 2 10 10 10 GG10, GG40 GGG40, GGG80 30 20 20 5 4 4 30 20 20 5 4 4 70 70 70 5 4 4 <850 >850 20 20 Ti99.7, Ti99.8 TiCu2, TiAl6V4 - - - - 40 40 5 5 <250 >250 <850 >850 25 25 Ni38, Ni54, NiCr16FeTi 12 - 1 - 12 - 1 - 25 25 4 4 6.1 Pure Copper (elec.trolytic copper) 6.2 Short chip Brass, Phosphor Bronze, gun metal 6.3 Long chip Brass, Bronze <120 <200 <200 <400 <700 <700 12 12 12 SF-Cu G-CuSn12Ni G-CuPb20Sn 50 30 40 4 4 4 50 30 40 4 4 4 200 150 130 4 4 4 7.1 Aluminium unalloyed 7.2 Magnesium unalloyed 7.3 Al Alloyed Si < 1.5 % 7.4 Al Alloyed 1.5 % < Si < 10% 7.5 Al Alloyed > 10% Si 7.6 Magnesium alloys <100 <150 <120 <120 - <350 <350 <500 <400 <400 <400 15 15 15 10 N N Al99.5 Al99.85Mg0.5 AlMg1.5 AlSi10Mg AlSi17Cu4 MgAl3Zn 50 50 50 35 30 30 5 4 4 4 4 4 50 50 50 35 30 30 5 4 4 4 4 4 200 200 200 180 180 140 5 4 4 4 4 4 8.1 Plastics, Thermoplastics, Polyethylene <340 <50 N ABS, PVC, Polycarbonate 30 4 30 4 60 4 2.0 Stainless Steels 3.0 Cast Irons 4.0 Titaniums 5.0 Nickel 6.0 Coppers 7.0 Aluminiums 8.0 Plastics Feed No. 1 2 3 4 5 3.0 0.030 0.040 0.050 0.060 0.080 4.0 0.040 0.050 0.060 0.080 0.100 5.0 0.045 0.055 0.065 0.085 0.110 Feed Table (f) (mm/rev) Ø 6.0 8.0 0.050 0.060 0.060 0.080 0.080 0.100 0.100 0.120 0.120 0.150 Notes: For calculating revolutions per minute, apply hole diameter For calculating feed, apply large end diameter 10.0 0.080 0.100 0.120 0.150 0.200 RFe100 C10, C15, ST37, ST52 C45, C92D, D95-S 41CrMo4, 36CrNiMo4, X155CrVMo12-1, 90MnV8 12.0 0.080 0.100 0.120 0.150 0.200 16.0 0.100 0.120 0.150 0.200 0.250 20.0 0.150 0.200 0.250 0.300 0.400 Legend n = rev. per minute vc = cutting speed (m/min) f = feed (mm/rev) vf = feed rate (mm/min) z = no. cutting edges FORMULAS n = (vc × 1000) / (Ø × π) vc = (Ø × π × n) / 1000 vf = f × n 499980430_0811 0004