d k HY-PRO® DIN Premium Design for a Wide Range of Materials List 230 HSSE TiN 45˚ OIL-TIN-SFT, Coolant-Through, DIN Overall Length, Modified Bottom (2.5P-3P) Lc Ln L lk Tap Size Class No. ofof FitFlutesEDP NumberModified Bottom(2.5P - 3P)DINOverallLengthThreadLengthNeckLengthShankDia.Square SquareWidthLength TiN L Lc Ln d k lk 1/4 - 20 UNC1/4 - 28 UNF 23300052330405 3.14 0.402 1.181 0.255 0.191 0.311 5/16 - 18 UNC5/16 - 24 UNF3/8 - 16 UNC3/8 - 24 UNF7/16 - 14 UNC7/16 - 20 UNF32330805233120523316052331805233200523322053.540.4450.318 0.238 0.3741.3780.5000.3810.2860.4373.930.5711.7130.3230.2420.406 1/2 - 13 UNC1/2 - 20 UNF2B9/16 - 18 UNF 233240523326052333005 4.33 0.614 1.933 0.367 0.275 0.4373.930.6651.9720.4290.3220.500 5/8 - 11 UNC5/8 - 18 UNF 23332052333405 4.333.93 0.728 2.126 0.480 0.360 0.563 3/4 - 10 UNC3/4 - 16 UNF 4 23336052333805 4.924.33 0.799 2.433 0.590 0.442 0.689 7/8 - 9 UNC7/8 - 14 UNF 23340052334205 5.514.92 0.890 2.654 0.697 0.523 0.752 1 - 8 UNC 2334405 6.29 1.000 3.012 0.800 0.600 0.811 Packed: 1 pc. Available TiN 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 230 SFM 50-120 45-110 40-100 45-110 20-60 20-70 30-50 20-50 40-100 50-125 50-110 20-60 good best 454 Spiral Fluted Taps WWW.OSGTOOL.COM