ØDh7 MFS Type for Drilling in Non-Flat Surfaces Drill Head Insert New SMDT… MFS Type Type MFS H PVD coated grade: ACX70 Drill Head (Insert) øD: 12,0~21,5mm øD: 22,0~30,0mm øD(mm) Cat. No. Stock H(mm)Applicable Holders øD(mm) Cat. No. Stock H(mm)Applicable Holders 12,0 SMDT 1200 MFS m 7,1 SMDH12012,5SMDT 1250 MFSm7,2SMDH125 22,0 SMDT 2200 MFS22,5SMDT 2250 MFS mm 11,2 SMDH220 13,0 SMDT 1300 MFS m 7,5 SMDH13013,5SMDT 1350 MFSm 23,0 SMDT 2300 MFS23,5SMDT 2350 MFS mm 11,2 SMDH230 14,0 SMDT 1400 MFS m 7,9 SMDH14014,5SMDT 1450 MFSm 24,0 SMDT 2400 MFS24,5SMDT 2450 MFS mm 11,3 SMDH240 15,0 SMDT 1500 MFS15,5SMDT 1550 MFS mm 8,3 SMDH150 25,0 SMDT 2500 MFS25,5SMDT 2550 MFS mm 11,7 SMDH250 16,0 SMDT 1600 MFS16,5SMDT 1650 MFS mm 8,8 SMDH160 26,0 SMDT 2600 MFS26,5SMDT 2650 MFS mm 12,2 SMDH260 17,0 SMDT 1700 MFS17,5SMDT 1750 MFS mm 9,3 SMDH170 27,0 SMDT 2700 MFS27,5SMDT 2750 MFS mm 12,7 SMDH270 18,0 SMDT 1800 MFS18,5SMDT 1850 MFS mm 9,8 SMDH180 28,0 SMDT 2800 MFS28,5SMDT 2850 MFS mm 13,2 SMDH280 19,0 SMDT 1900 MFS19,5SMDT 1950 MFS mm 10,2 SMDH190 29,0 SMDT 2900 MFS29,5SMDT 2950 MFS mm 13,6 SMDH290 20,0 SMDT 2000 MFS20,5SMDT 2050 MFS mm 10,7 SMDH200 30,0 SMDT 3000 MFS m 14,1 SMDH300 21,0 SMDT 2100 MFS21,5SMDT 2150 MFS mm 11,2 SMDH210 MFS Type Head Important Notes No Guide Hole (Solid Workpiece Hole Drilling) With Guide Hole Flat Finishing of Hole Bottom Application Guide Holes Flat Surface Non-Flat Surface 1,5D Holder (Guide Hole not required) 3D ~ 12D Holder X X Recommended Cutting Conditions vc: Cutting speed (m/min)f: Feed rate (mm/rev) Work Material Soft Steel(up to 250HB)General Steel Hardened Steel Stainless Steel(250 to 320HB)(45HRC)(up to 200HB)Gray Cast IronDuctile Cast IronAluminum Alloy (*) Drill Diameter CuttingDC (mm)ConditionsMin.-Optimum-Max.Min.-Optimum-Max. Min.-Optimum-Max. Min.-Optimum-Max. Min.-Optimum-Max. Min.-Optimum-Max. Min.-Optimum-Max. Up to vc 60 - 100 - 120 70 - 100 - 120 40 - 60 - 90 50 - 60 - 80 50 - 70 - 90 50 - 60 - 80 200 - 240 - 260 Ø16,0 f 0,15 - 0,20 - 0,35 0,15 - 0,20 - 0,30 0,10 - 0,15 - 0,20 0,10 - 0,15 - 0,20 0,20 - 0,25 - 0,30 0,20 - 0,25 - 0,30 0,35 - 0,45 - 0,55 Up to vc 80 - 100 - 120 70 - 100 - 120 40 - 60 - 90 60 - 70 - 90 60 - 80 - 100 50 - 70 - 90 200 - 240 - 260 Ø20,0 f 0,15 - 0,25 - 0,35 0,15 - 0,25 - 0,35 0,15 - 0,20 - 0,25 0,15 - 0,20 - 0,25 0,20 - 0,30 - 0,35 0,20 - 0,25 - 0,35 0,35 - 0,50 - 0,60 Up to vc 80 - 100 - 120 70 - 100 - 120 40 - 60 - 90 60 - 70 - 90 60 - 80 - 100 50 - 70 - 90 200 - 240 - 260 Ø30,8 f 0,20 - 0,30 - 0,35 0,20 - 0,25 - 0,35 0,15 - 0,20 - 0,25 0,15 - 0,20 - 0,25 0,20 - 0,30 - 0,40 0,25 - 0,30 - 0,35 0,35 - 0,50 - 0,60 Note: The recommended hole depth is 2xDC. The depth is measured from the highest point of the hole when drilling on inclined surfaces. The recommended (*) Inquire about drills cutting conditions above are for drilling on flat horizontal surfaces. specifically for aluminum Adjust the feed rate according to the inclination angle when drilling on an inclined surface. Set the feed rate at 70% ot lower when inclination angle alloy. is 30° or less. Set the feed rate at 50% or lower when the inclination angle is larger than 30°. This product is a drilling tool. Do not use it for traverse or helical milling. K61 Multi-Drills