0,05 0 0,10 0,15 0,20 0,25 0,30 0,35 1 0 2 3 4 5 6 7 SDMT 12 B = (DW–DC) x π x tan α DC mm Dmin mm ap1 mm Dmax mm ap2 mm α ° 50 77 2,5 98 4,8 2,0 63 103 1,8 124 3,0 1,0 80 137 2,1 158 3,0 0,8 100 177 2,1 198 2,9 0,6 125 227 1,8 248 2,4 0,4 Dmin ap1 Dmax ap2 Machining strategy System 490-12 Starting Parameter ap in mm fz in mm Dw = Diameter of the hole to be produced DC = Nominal diameter of the milling tool B = Axial feed to 360° circular movement Helical plunging (without pilot hole) 490-12 adjustable angle milling cutter – dimensions Constant dimensions Angle-dependent dimensions* BD DCONMS LH α DC* DCX LPR* 25 20 37 0° 25,07/1,12** 26,64 38,36 5° 3,72 27,61 38,79 10° 4,84 28,48 39,21 15° 6,03 29,25 39,58 20° 7,27 29,92 39,90 25° 8,57 30,48 40,16 30° 9,91 30,92 40,37 35° 11,28 31,25 40,51 40° 12,67 31,45 40,60 45° 14,08 31,54 40,62 50° 15,48 31,50 40,58 55° 16,86 31,34 40,48 60° 18,23 31,06 40,33 65° 19,56 30,66 40,11 70° 20,85 30,15 39,83 75° 22,08 29,52 39,51 80° 23,26 28,79 39,12 85° 24,35 27,95 38,69 90° 25,37/1,42** 26,94 38,21 * Tangential cutting point at deepest engagement point ** Smallest diameter in centre 90 0 80 60 70 50 40 30 20 10 BD DCX LPR LH DC α DCONMS → Find detailed information on cutting speeds for each cutting material here. 193 Material Inserts vc in m/min Cooling Steel P.2.2 40CrMnMoS 8-6 SDMT1205ZZSN-29 CTCP230 200 Dry Stainless steel M.1.1 X6CrNiMoTi 1712 2 SDMT120512SR-33 CTPM240 180 Dry Cast iron K.1.1 EN-GJL-250 (GG25) SDMT1205ZZSN-31 CTCK215 250 Dry Heat-resistant S.2.2 Inconel 718 SDMT120508ER-M31 CTC5240 35 Emulsion Milling tools with indexable inserts Technical Information
Tooling a Sustainable Future
eCatalog 2026 - EN-INT
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