HY-PRO® CARB Performance Coolant-Through Carbide Drills List HP255 (Continued) SPEEDFEEDP313CARBIDE WD1 30˚ 5D, Coolant-Through EDP Diameter Flute Overall ShankLengthLengthDiameter Number FractionalSize Wire Gage Letter Size mm Inch FL L d HP255-6181 - - - 15.70 0.6181 HP255-6248 5/8 - - 15.87 0.6248 83 133 16 HP255-6299 - - - 16.00 0.6299 HP255-6339 - - - 16.10 0.6339 HP255-6496 - - - 16.50 0.6496 HP255-6563 21/32 -HP255-6693-- - 16.67 0.6563-17.000.6693 93 143 18 HP255-6890 - - - 17.50 0.6890 HP255-7087 - - - 18.00 0.7087 HP255-7283 - - - 18.50 0.7283 HP255-7480 - - - 19.00 0.7480 HP255-7500 3/4HP255-7579- -- -- 19.05 0.750019.250.7579 101 153 20 HP255-7677 - - - 19.50 0.7677 HP255-7874 - - - 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 HP255 good best WWW.OSGTOOL.COM HY-PRO® CARB 191