Technical information - Drilling Cutting data for solid carbide drills without internal cooling Drilling depth = cutting data for wet machining Designation K3164TIN A3265TFL A3865TFL Type Dimensions Dia. range (mm) Cutting tool material Coating Page Alpha(R) 2 Walter standard 3,30 - 14,50 K30F TiN B 139 Alpha(R) 2 DIN 6537 K 3,00 - 20,00 K30F TFL B 61/B 98 = dry machining is possible, cutting data must be selected from TEC E = emulsion O = oil M = MQL L = dry vC = cutting speed VCRR = vc rating chart from page B 382 VRR = feed rating chart from page B 384 3 x Dc C 0.25 % C > 0.25... 0.55 % C > 0.25... 0.55 % C > 0.55 % C > 0.55 % machining steel (short-chipping) annealed tempered tempered tempered annealed hardened and tempered hardened and tempered ferritic/martensitic, annealed martensitic, tempered austenitic, quench hardened austenitic, precipitation hardened (PH) austenitic/ferritic, duplex ferritic pearlitic low tensile strength high tensile strength/austenitic ferritic pearlitic Non-alloyed steel P Low alloy steel High-alloyed steel and high-alloyed tool steel Stainless steel M Stainless steel Malleable cast iron K grey cast iron Cast iron with spheroidal graphite annealed annealed tempered annealed tempered annealed GGV (CGI) cannot be hardened hardenable, hardened 12 % Si, not precipitation hardenable 12 % Si, precipitation hardenable, precipitation hardened > 12 % Si, not precipitation hardenable Aluminium wrought alloys Cast aluminium alloys N Magnesium alloys non-alloyed, electrolytic copper brass, bronze, red brass Cu-alloys, short-chipping high-strength, Ampco Copper and copper alloys (bronze/brass) Fe-based Heat-resistant alloys Ni or Co base S pure titanium and alloys, hardened alloys Titanium alloys Tungsten alloys Molybdenum alloys H O 1 hardened and tempered hardened and tempered hardened and tempered hardened and tempered without abrasive fillers without abrasive fillers GFRP CFRP AFRP Hardened steel Hardened cast iron Thermoplasts Thermosetting plastics Plastic, glass-fibre reinforced Plastic, carbon fibre reinforced Plastic, aramide fibre reinforced Graphite (technical) 428 639 708 639 1013 745 591 1013 1282 1477 675 1013 1361 675 1114 675 1013 778 675 867 602 825 518 885 675 - 343 260 314 447 250 343 314 382 1013 675 943 839 1177 1076 675 1262 1396 1013 1013 - - - - Machining group 1 125 190 210 190 300 220 175 300 380 430 200 300 400 200 330 200 300 230 200 260 180 245 155 265 200 30 100 75 90 130 70 100 90 110 300 200 280 250 350 320 200 375 410 300 300 50 HRC 55 HRC 60 HRC 55 HRC 80 Shore The machining groups are assigned from page H 8 onwards. B 358 annealed hardened annealed hardened cast Tensile strength Rm N/mm2 Workpiece material Brinell hardness HB Material group Grouping of main material groups and identification letters P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 M1 M2 M3 K1 K2 K3 K4 K5 K6 K7 N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 H1 H2 H3 H4 O1 O2 O3 O4 O5 O6 vc 95 90 85 90 63 95 90 63 40 32 56 48 32 56 40 VRR 12 12 12 12 9 12 12 9 6 4 9 7 4 9 6 EO EO EO EO EO EO EO EO OE OE EO EO OE EO EO vc 100 95 90 95 67 100 95 67 45 34 60 53 34 60 42 VRR 12 12 12 12 9 12 12 9 6 4 9 7 4 9 6 EO EO EO EO EO EO EO EO OE OE EO EO OE EO EO 42 5 EO 45 5 EO 80 63 95 80 80 63 71 250 250 200 180 140 16 16 16 16 16 16 16 10 10 16 16 12 E E E E E E E E E E E E O O O O O O O O O O O O 85 67 100 85 85 67 75 16 16 16 16 16 16 16 E E E E E E E 220 200 160 16 16 12 EO EO EO 180 150 160 63 7 12 16 9 E E E E O M O O ML O ML 190 160 180 67 7 12 16 9 E E E E 36 30 5 4 OE OE 40 34 5 4 OE OE 63 63 24 20 9 9 3 3 EO EO OE OE 67 67 26 22 9 9 3 3 EO EO OE OE 20 90 3 16 OE EO 22 3 OE M M M M M M M M M M M M M M M L L L L L L L L L L L L L L L O O O O O O O M M M M M M M M L L L L L L L L M M M M M M M L L L L L L L O M O O ML O ML