HY-PRO® CARB Performance Sub-Micrograin Carbide End Mills List HP421, HP441 SPEEDFEED CARBIDEP1080-1082TiAIN SHANK35˚h6 Inch Sizes, Multiple Flutes Milling Diameter Tolerance 3/64≤D≤1 +0 / -0.0015" HP421 HP441 EDP Number Mill Overall Length Shank List HP421(2 Flute) List HP441 (4 Flute) Diameter Length of Cut Diameter TiAlN TiAlN D L Lc d HP421-0469 HP441-0469 3/64 1-1/2 9/64 1/8 HP421-0625 HP441-0625 1/16 1-1/2 3/16 1/8 HP421-0781 HP441-0781 5/64 1-1/2 1/4 1/8 HP421-0938 HP441-0938 3/32 1-1/2 5/16 1/8 HP421-1094 HP441-1094 7/64 1-1/2 3/8 1/8 HP421-1250 HP441-1250 1/8 1-1/2 1/2 1/8 HP421-1406 HP441-1406 9/64 2 1/2 3/16 HP421-1562 HP441-1562 5/32 2 9/16 3/16 HP421-1719 HP441-1719 11/64 2 9/16 3/16 HP421-1875 HP441-1875 3/16 2 5/8 3/16 HP421-2031 HP441-2031 13/64 2-1/2 5/8 1/4 HP421-2188 HP441-2188 7/32 2-1/2 5/8 1/4 HP421-2500 HP441-2500 1/4 2-1/2 3/4 1/4 HP421-2812 HP441-2812 9/32 2-1/2 3/4 5/16 HP421-3125 HP441-3125 5/16 2-1/2 13/16 5/16 HP421-3438 HP441-3438 11/32 2-1/2 7/8 3/8 HP421-3750 HP441-3750 3/8 2-1/2 1 3/8 HP421-4062 HP441-4062 13/32 2-3/4 1 7/16 HP421-4375 HP441-4375 7/16 2-3/4 1 7/16 HP421-5000 HP441-5000 1/2 3 1 1/2 HP421-5625 HP441-5625 9/16 3-1/2 1-1/8 9/16 HP421-6250 HP441-6250 5/8 3-1/2 1-1/4 5/8 HP421-6875 HP441-6875 11/16 4 1-3/8 3/4 HP421-7500 HP441-7500 3/4 4 1-1/2 3/4 HP421-8750 HP441-8750 7/8 4 1-1/2 7/8 HP421-1000 HP441-1000 1 4 1-1/2 1 Packed: 1 pc. Available TiAlN coating only. OSG's Performance & Savings Want to turbo-charge performance? Try EXOCARB® WXL® - List 3620, 3621, 3720 or 3721 (p. 745, 751 or 752) Work Material P M K N S H Chart Carbon Steels Alloyappliesto all listLownumbers1010above1018Med.10351045High1065SteelsDie4140Steels4340Stainless SteelsCast30040017-4 PHIronAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-5050-70HRCHRCHRC - good best WWW.OSGTOOL.COM HY-PRO® CARB Square End 849