d k HY-PRO® AL Premium Design for Aluminum List 13019 HSSE N 50˚ EX-AL-SFT, DIN Overall Length, Modified Bottom (2.5P-3P) Lc Ln L lk Tap Size ThreadLimit No. ofFlutes EDP NumberModified Bottom(2.5P - 3P)DINOverallLengthThreadLengthNeckLengthShankDia.Square SquareWidthLength N L Lc Ln d k lk 2 - 56 UNC4 - 40 UNC H26 - 32 UNC 2 1301900103 1.77 0.437 -130190020313019003032.200.1960.7040.1400.1090.1880.2480.783 8 - 32 UNC 1301900403 2.48 0.251 0.826 0.167 0.131 10 - 24 UNC H310 - 32 UNF 13019005031301900603 2.75 0.326 0.976 0.194 0.151 0.251 1/4 - 20 UNC H5 13019007031301900803 3.14 0.397 1.177 0.255 0.190 0.287 1/4 - 28 UNF H35/16 - 18 UNCH5 1301900903130190100313019011033.54 0.444 1.377 0.317 0.238 0.374 5/16 - 24 UNF H33/8 - 16 UNCH53 1301901203130190130313019014033.93 0.500 1.535 0.380 0.285 0.437 3/8 - 24 UNF H37/16 - 14 UNCH5 1301901503 3.54 1.377130190160313019017033.930.5701.7120.3220.2420.405 7/16 - 20 UNF H31/2 - 13 UNCH5 1301901803130190190313019020034.33 0.614 1.933 0.367 0.274 0.437 1/2 - 20 UNF H3 1301902103 3.93 Packed: 1 pc. Available Nitride finish 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 13019 SFM 40-80 40-65 good best 470 Spiral Fluted Taps WWW.OSGTOOL.COM