Cutting data for solid carbide drills WALTER with internal coolant Material group cutting data for wet machining dry machining is possible, cutti

Cutting data for solid carbide drills WALTER with internal coolant Material group cutting data for wet machining dry machining is possible, cutting data must be selected from TEC Drilling depth 25 x Dc Designation A6889AMP A6885TFP E emulsion O oil M MQL L dry Type Xtreme DM25 Alpha 4 XD25 Dimensions Walter standard Dia. range (mm) 2.50 2.90 3.00 12.00 vc cutting speed in ft/min VCRR vc rating chart from page B 388 VRR feed rating chart from page B 390 Cutting tool material K30F Coating AMP TFP Page B 140 B 139 Grouping of main material groups and identification letters Brinell hardness HB Tensile strength Rm N/mm2 Machining group 1 Workpiece material 3 3 VCRR VRR Vc VRR p Non-alloyed steel C < 0.25 % annealed 125 428 P1 C80 10 E 310 C > 0.25 < 0.55 % annealed 190 639 P2 C63 10 E 280 C > 0.25 < 0.55 % tempered 210 708 P3 C63 10 E 260 C > 0.55 % annealed 190 639 P4 C63 10 E 280 C > 0.55 % tempered 300 1013 P5 C50 8 E 195 8 machining steel (short-chipping) annealed 220 745 P6 C80 10 E 310 10 Low alloy steel annealed 175 591 P7 C63 10 E 280 tempered 300 1013 P8 C50 8 E 195 8 tempered 380 1282 P9 C36 5 E 120 O E tempered 430 1477 P10 C32 5 E 80 5 O E High-alloyed steel and high-alloyed tool steel annealed 200 675 P11 C50 9 E 175 hardened and tempered 300 1013 P12 C40 5 E 155 hardened and tempered 400 1361 P13 C32 5 E 80 5 O E Stainless steel ferritic/martensitic, annealed 200 675 P14 C50 9 E 175 martensitic, tempered 330 1114 P15 C40 8 E 110 M Stainless steel austenitic, quench hardened 200 675 M1 C32 6 E 110 4 O E austenitic, precipitation hardened (PH) 300 1013 M2 C32 4 E 150 5 austenitic/ferritic, duplex 230 778 M3 C25 4 E 90 4 O E K Malleable cast iron ferritic 200 675 K1 C63 8 E 260 12 pearlitic 260 867 K2 C63 8 E 195 12 grey cast iron low tensile strength 180 602 K3 C80 8 E 310 12 high tensile strength/austenitic 245 825 K4 C63 8 E 260 12 Cast iron with spheroidal graphite ferritic 155 518 K5 C63 8 E 260 12 pearlitic 265 885 K6 C50 8 E 195 12 GGV (CGI) 200 675 K7 C63 9 E 235 12 N Aluminum wrought alloys cannot be hardened 30 N1 C125 22 E 260 16 M hardenable, hardened 100 343 N2 C125 22 E 260 16 M Cast aluminum alloys < 12 % Si, not precipitation hardenable 75 260 N3 C125 20 E 260 16 M < 12 % Si, precipitation hardenable, precipitation hardened 90 314 N4 C125 20 E 260 16 M > 12 % Si, not precipitation hardenable 130 447 N5 C100 17 E 260 12 M Magnesium alloys 70 250 N6 260 16 M L Copper and copper alloys (bronze/brass) non-alloyed, electrolytic copper 100 343 N7 C63 5 E 310 M brass, bronze, red brass 90 4 31 N8 C63 10 E 260 8 Cu-alloys, short-chipping 110 382 N9 C80 17 E 310 10 M high-strength, Ampco 300 1013 N10 C45 6 E 155 S Heat-resistant alloys Fe-based annealed 200 675 S1 C32 6 E 110 4 O E hardened 280 943 S2 C19 5 E 65 3 O E Ni or Co base annealed 250 839 S3 C25 4 E 85 3 hardened 350 1177 S4 4 C1 5 E 35 2 O E cast 320 1076 S5 4 C1 5 E 45 2 O E Titanium alloys pure titanium 200 675 S6 C40 5 E 105 5 O E a and p alloys, hardened 375 1262 S7 C25 4 E 60 4 O E P alloys 410 1396 S8 4 C1 4 E 30 2 O E Tungsten alloys 300 1013 S9 C45 7 E 155 Molybdenum alloys 300 1013 S10 C45 7 E 155 H Hardened steel hardened and tempered 50 HRC H1 C25 3 E 65 2 O E hardened and tempered 55 HRC H2 C25 3 E hardened and tempered 60 HRC H3 Hardened cast iron hardened and tempered 55 HRC H4 C25 3 Thermoplasts without abrasive fillers O1 C100 20 E 260 12 Thermosetting plastics without abrasive fillers O2 Plastic, glass-fiber reinforced GFRP O3 Plastic, carbon fiber reinforced CFRP O4 Plastic, aramide fiber reinforced AFRP O5 Graphite (technical) 80 Shore O6 1 The machining groups are assigned from page H 8 onwards. B 362 Technical information Drilling TITEX