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 8 x Dc Designation A3487 A3486TIP A3586TIP E Emulsion O Oil M MQL L dry Type Alpha Jet Alpha 44 Dimensions Walter standard Dia. range (mm) 5.00 20.00 5.00 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 K20F K30F Coating uncoated TIP Page B 98 B 97/B 99 Grouping of main material groups and identification letters Brinell hardness HB Tensile strength Rm N/mm2 Machining group 1 II Workpiece material 3 3 Vc VRR Vc VRR p Non-alloyed steel C < 0.25 % annealed 125 428 P1 95 9 > 0.25 < 0.55 % annealed 190 639 P2 90 9 > 0.25 < 0.55 % tempered 210 708 P3 80 9 > 0.55 % annealed 190 639 P4 90 9 > 0.55 % tempered 300 1013 P5 60 7 machining steel (short-chipping) annealed 220 745 P6 95 10 Low alloy steel annealed 175 591 P7 90 9 tempered 300 1013 P8 60 7 tempered 380 1282 P9 tempered 430 1477 P10 High-alloyed steel and high-alloyed tool steel annealed 200 675 P11 50 6 hardened and tempered 300 1013 P12 45 5 hardened and tempered 400 1361 P13 Stainless steel ferritic/martensitic, annealed 200 675 P14 50 6 martensitic, tempered 330 1114 P15 32 5 M Stainless steel austenitic, quench hardened 200 675 M1 32 4 austenitic, precipitation hardened (PH) 300 1013 M2 42 4 austenitic/ferritic, duplex 230 778 M3 26 4 K Malleable cast iron ferritic 200 675 K1 280 9 80 12 pearlitic 260 867 K2 205 9 60 12 grey cast iron low tensile strength 180 602 K3 345 9 90 12 high tensile strength/austenitic 245 825 K4 280 9 80 12 Cast iron with spheroidal graphite ferritic 155 518 K5 80 12 pearlitic 265 885 K6 56 10 GGV (CGI) 200 675 K7 67 12 N Aluminum wrought alloys cannot be hardened 30 N1 1310 9 320 10 hardenable, hardened 100 343 N2 1310 9 320 10 Cast aluminum alloys < 12 % Si, not precipitation hardenable 75 260 N3 855 9 220 10 < 12 % Si, precipitation hardenable, precipitation hardened 90 314 N4 785 9 200 10 > 12 % Si, not precipitation hardenable 130 447 N5 655 9 160 10 Magnesium alloys 70 250 N6 785 9 M L 200 10 M L Copper and copper alloys (bronze/brass) non-alloyed, electrolytic copper 100 343 N7 160 5 brass, bronze, red brass 90 314 N8 105 8 Cu-alloys, short-chipping 110 382 N9 690 16 140 12 high-strength, Ampco 300 1013 N10 45 5 S Heat-resistant alloys Fe-based annealed 200 675 S1 32 4 hardened 280 943 S2 Ni or Co base annealed 250 839 S3 20 3 hardened 350 1177 S4 cast 320 1076 S5 Titanium alloys pure titanium 200 675 S6 38 4 O E a and p alloys, hardened 375 1262 S7 32 3 O E P alloys 410 1396 S8 Tungsten alloys 300 1013 S9 45 5 Molybdenum alloys 300 1013 S10 45 5 H Hardened steel hardened and tempered 50 HRC H1 hardened and tempered 55 HRC H2 hardened and tempered 60 HRC H3 Hardened cast iron hardened and tempered 55 HRC H4 O Thermoplasts without abrasive fillers O1 260 8 100 16 Thermosetting plastics without abrasive fillers O2 425 16 L Plastic, glass-fiber reinforced GFRP O3 Plastic, carbon fiber reinforced CFRP O4 Plastic, aramide fiber reinforced AFRP O5 Graphite (technical) 80 Shore O6 100 5 L 1 The machining groups are assigned from page H 8 onwards. B 360 Technical information Drilling TITEX