HY-PRO® CARB Performance Coolant-Through Carbide Drills List HP253 (Continued) SPEEDFEEDP313CARBIDE WD1 30˚ 3D, Coolant-Through EDP Diameter Flute Overall ShankLengthLengthDiameter Number FractionalSize Wire Gage Letter Size mm Inch FL L d HP253-6248 5/8HP253-6299- -- - 15.87 0.6248-16.000.6299 65 115 16 HP253-6339 - - - 16.10 0.6339 HP253-6496 - - - 16.50 0.6496 HP253-6563 21/32 -HP253-6693-- - 16.67 0.6563-17.000.6693 73 123 18 HP253-6890 - - - 17.50 0.6890 HP253-7087 - - - 18.00 0.7087 HP253-7283 - - - 18.50 0.7283 HP253-7480 - - - 19.00 0.7480 HP253-7500 3/4HP253-7579- -- - 19.05 0.7500-19.250.7579 79 131 20 HP253-7677 - - - 19.50 0.7677 HP253-7874 - - - 20.00 0.7874 Packed: 1 pc. Available WD1 coating only. Work Material P M K N S H Carbon Steels AlloyList No.Low10101018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCast30040017-4 PHIronAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-5050-70HRCHRCHRC HP253 good best WWW.OSGTOOL.COM HY-PRO® CARB 187