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 HP255-2638 - - - 6.70 0.2638 HP255-2657 17/64 - - 6.75 0.2657 HP255-2677 - - - 6.80 0.2677 HP255-2717 - - I 6.90 0.2717 HP255-2756 - - - 7.00 0.2756 HP255-2795 - - - 7.10 0.2795 HP255-2811 9/32 - - 7.14 0.2811 HP255-2835 - - - 7.20 0.2835 HP255-2874 -HP255-2913- -- -- 7.30 0.28747.400.2913 53 91 8 HP255-2953 - - - 7.50 0.2953 HP255-2969 19/64 - - 7.54 0.2969 HP255-2992 - - - 7.60 0.2992 HP255-3031 - - - 7.70 0.3031 HP255-3071 - - - 7.80 0.3071 HP255-3110 - - - 7.90 0.3110 HP255-3126 5/16 - - 7.94 0.3126 HP255-3150 - - - 8.00 0.3150 HP255-3189 - - - 8.10 0.3189 HP255-3228 - - P 8.20 0.3228 HP255-3268 - - - 8.30 0.3268 HP255-3280 21/64 - - 8.33 0.3280 HP255-3307 - - - 8.40 0.3307 HP255-3319 - - Q 8.43 0.3319 HP255-3346 - - - 8.50 0.3346 HP255-3386 - - - 8.60 0.3386 HP255-3425 - - - 8.70 0.3425 HP255-3437 11/32 - - 8.73 0.3437 HP255-3465 - - - 8.80 0.3465 HP255-3504 - - - 8.90 0.3504 HP255-3543 - - - 9.00 0.3543 HP255-3583 - - - 9.10 0.3583 61 103 10 HP255-3594 23/64 - - 9.13 0.3594 HP255-3622 - - - 9.20 0.3622 HP255-3642 - - - 9.25 0.3642 HP255-3661 - - - 9.30 0.3661 HP255-3701 - - - 9.40 0.3701 HP255-3740 - - - 9.50 0.3740 HP255-3748 3/8 - - 9.52 0.3748 HP255-3780 - - - 9.60 0.3780 HP255-3819 - - - 9.70 0.3819 HP255-3858 - - W 9.80 0.3858 HP255-3898 - - - 9.90 0.3898 HP255-3906 25/64 - - 9.92 0.3906 HP255-3937 - - - 10.00 0.3937 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 189