HY-PRO® CARB Performance Sub-Micrograin Carbide End Mills List HP421BN, HP441BN SPEEDFEED CARBIDEP1093-1094TiAIN SHANK35˚h6 2 or 4 Flute, Metric Sizes, Ball End Milling Diameter Tolerance 1≤D≤25 +0 / -0.038mm HP421BN HP441BN EDP Number Mill Overall Length Shank List HP42BN1 (2 Flute) List HP441BN (4 Flute) Diameter Length of Cut Diameter TiAlN TiAlN D L Lc d HP421-0394-BN HP441-0394-BN 1.0 39 3 3 HP421-0591-BN HP441-0591-BN 1.5 39 5 3 HP421-0787-BN HP441-0787-BN 2.0 39 7 3 HP421-0984-BN HP441-0984-BN 2.5 39 8 3 HP421-1181-BN HP441-1181-BN 3.0 39 10 3 HP421-1378-BN HP441-1378-BN 3.5 51 12 4 HP421-1575-BN HP441-1575-BN 4.0 51 14 4 HP421-1772-BN HP441-1772-BN 4.5 51 14 5 HP421-1968-BN HP441-1968-BN 5.0 51 16 5 HP421-2362-BN HP441-2362-BN 6.0 64 19 6 HP421-2756-BN HP441-2756-BN 7.0 64 19 8 HP421-3150-BN HP441-3150-BN 8.0 64 21 8 HP421-3543-BN HP441-3543-BN 9.0 70 22 10 HP421-3937-BN HP441-3937-BN 10.0 70 25 10 HP421-4331-BN HP441-4331-BN 11.0 70 25 11 HP421-4724-BN HP441-4724-BN 12.0 76 25 12 HP421-5512-BN HP441-5512-BN 14.0 89 30 14 HP421-6299-BN HP441-6299-BN 16.0 89 32 16 HP421-7087-BN HP441-7087-BN 18.0 102 35 18 HP421-7874-BN HP441-7874-BN 20.0 102 38 20 HP421-8661-BN HP441-8661-BN 22.0 102 38 22 HP421-9843-BN HP441-9843-BN 25.0 102 38 25 Packed: 1 pc. Available TiAlN coating only. OSG's Performance & Savings Want to turbo-charge performance? Try EXOCARB® WXL® - List 3710 (p. 738) or EXOCARB® WXS® - List 4530 (p. 781) Work Material P M K N S H Chart Carbon Steels Alloyappliesto all listLownumbers1010above1018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCast30040017-4 PHIronAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-5050-70HRCHRCHRC - good best WWW.OSGTOOL.COM HY-PRO® CARB Ball End 861