DrillingSolidIndexableIndexableHead TypeInsert TypeReamersBrazedOthers 140˚ DC h8Standard Stock 30˚ DCON h8 140˚ DC h8 Stock DCON h8 140˚ DC h8 DCON h8 H's (High Speed Steel) MultiDrill HMD-S / HMD-M Type Carbon Steel/Alloy Steelup to 0.28%Carbon Steel/Alloy Steelfrom 0.29%StainlessSteelCast IronDuctileCast IronAluminumAlloy Coat *Refer to N38 for the tolerance of h8 Fig. 1 (Stepped Shank) Fig. 2 (Straight Shank) Fig. 3 (Relief Shank) PL PL PL LU LS LU 7 LS LU LS OAL Straight between these points OAL OAL J Diameter ø12.7 to 15.5mmDia.Hole DepthDC(L/D)Cat. No. Dimensions (mm) Diameter ø16.0 to 20.0mmEfectiveLength Overal LengthLUOALTipPLShank LS Shank Dia. DCON FigDia.Hole DepthDC(L/D)Cat. No. Dimensions (mm)EfectiveLength Overal LengthLUOALTipPLShank LS Shank Dia. DCON Fig 12.7 35 ● HMD 127S●HMD 127M 32.0 10882.0158 2.3 46.0 12.0 33 16.0 35 ● HMD 160S●HMD 160M 56.0 14696.01852.9 52.0 20.0 11 12.8 35 ● HMD 128S●HMD 128M 31.8 10881.8158 2.3 46.0 12.0 33 16.5 35 ● HMD 165S●HMD 165M 59.3 150100.31893.0 52.0 20.0 11 12.9 35 ● HMD 129S●HMD 129M 31.7 10881.7158 2.3 46.0 12.0 33 17.0 35 ● HMD 170S●HMD 170M 58.5 15099.51893.1 52.0 20.0 11 13.0 35 ● HMD 130S●HMD 130M 31.5 10881.5158 2.4 46.0 12.0 33 17.5 35 ● HMD 175S●HMD 175M 60.8 153103.81943.2 52.0 20.0 11 13.5 35 ● HMD 135S●HMD 135M 51.8 13287.8168 2.5 50.0 16.0 11 18.0 35 ● HMD 180S●HMD 180M 60.0 153103.01943.3 52.0 20.0 11 14.0 35 ● HMD 140S●HMD 140M 51.0 13287.0168 2.5 50.0 16.0 11 18.5 35 ● HMD 185S●HMD 185M 62.3 156107.31983.4 52.0 20.0 11 14.5 35 ● HMD 145S●HMD 145M 54.3 13692.3173 2.6 50.0 16.0 11 19.0 35 ● HMD 190S●HMD 190M 61.5 164106.52063.5 60.0 25.0 11 15.0 35 ● HMD 150S●HMD 150M 53.5 14291.5180 2.7 52.0 20.0 11 19.5 35 ● HMD 195S●HMD 195M 64.8 168110.82103.5 60.0 25.0 11 15.5 35 ● HMD 155S●HMD 155M 56.8 14696.8185 2.8 52.0 20.0 11 20.0 35 ● HMD 200S●HMD 200M 64.0 168110.02103.6 60.0 25.0 11 Recommended Cutting Conditions Work MaterialCutting Dia. DC ConditionsSteel for Structure SSCarbon Steel (SC)Spindle SpeedFeed RateAlloy Steel (SCM)Pre-hardened Steel (NAK)Spindle SpeedFeed RateDie Steel (SKD)Stainless SteelTempered Steel (35 to 45HRC)Spindle SpeedFeed RateCast Iron (FC)Spindle SpeedFeed RateAluminum AlloyNon-ferrous MetalSpindle SpeedFeed Rate Type (mm) (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) (min-1) (mm/min) ø2.0 5,700 300 4,600 200 3,400 130 6,300 410 9,700 630 ø3.0 4,200 380 3,400 260 2,500 170 4,700 530 7,200 820 ø5.0 2,500 360 2,000 240 1,500 160 2,800 500 4,300 770 ø8.0 1,600 310 1,300 210 960 140 1,800 440 2,700 660 ø10.0 1,300 280 1,000 190 760 130 1,400 390 2,200 610 ø12.0 1,100 260 850 180 640 120 1,200 360 1,800 560 ø16.0 800 240 640 160 480 110 880 330 1,400 500 ø20.0 640 220 510 150 380 96 700 300 1,100 460 Multi-layered Coating Endmill Shank Multi-layered TiAlN coating Endmill shank for improved ensures excellent tool tool life precision and rigidity Premium Grade High-speed Steel Powder High-speed steel powder technology MultiDrill Design for much longer tool life compared to Achieving high chip control conventional HSS by adopting the "MultiDrill Design" with a proven track record with carbide drills. J150