HELIOS ® Ideal for Deep Hole, No Peck Drilling List 1770 (Continued) SPEEDFEEDP322HSS-CoWXL 40˚ TDXL-20D EDP Diameter Flute Overall ShankLengthLengthDiameter Number Fractional Size Wire Gage Letter Size mm Inch FL L d 17522511 5/168623280- -- -- 7.948.00 0.31250.3150 184 255 5/168.0 8623281 - - - 8.10 0.3189 188 8.1 8623282 -1752281121/64 -- P- 8.20 0.3228 1908.330.3281192 260 8.221/64 8623285 - - - 8.50 0.3346 196 265 8.5 17523111 11/32 - - 8.73 0.3438 200 270 11/32 8623290 -1752341123/64 -- -- 9.00 0.3543 2089.130.3594210 275 9.023/64 17523611 3/8 - - 9.53 0.3750 220 290 3/8 17523911 25/648623300- -- -- 9.92 0.390610.000.3937 230 300 25/6410.0 17524211 13/32 - - 10.32 0.4062 238 13/32 17524411 27/64 - - 10.72 0.4219 246 340 27/64 8623310 - - - 11.00 0.4331 254 11.0 17524511 7/16 - - 11.11 0.4375 255 7/16 17524611 29/64 - - 11.51 0.4531 265 350 29/64 17524711 15/32 - - 11.91 0.4688 274 15/32 8623320 - - - 12.00 0.4724 276 12.0 17524911 1/21752631117/32 -- -- 12.70 0.5000 29213.490.5313310 360 1/217/32 17526511 9/16 - - 14.29 0.5625 328 378 9/16 Packed: 1 pc. Available WXL® 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 1770 good best WWW.OSGTOOL.COM V-Series 241