d k HY-PRO® AL Premium Design for Aluminum List 295 HSSE BR 50˚ EX-AL-SFT, Modified Bottom (2.5P-3P) Lc Ln L lk EDP Number Tap Size Class of Fit No. ofFlutes Overall Thread Neck Shank Square SquareModified BottomLengthLengthLengthDia.WidthLength(2.5P - 3P) Bright L Lc Ln d k lk 4 - 40 UNC H2H36 - 32 UNCH2H3 29513002951400295250029526001.87 0.196 0.559 0.140 0.109 0.1882.000.2480.685 8 - 32 UNC H210 - 24 UNCH3H210 - 32 UNFH3 29531002953200 2.12 0.251 0.751 0.167 0.1312953800295430029544000.2512.370.3260.8660.1940.151 H51/4 - 20 UNCH3H5 2 295460029550002955200 2.50 0.397 0.996 0.255 0.190 0.311 1/4 - 28 UNF H3 2955600 5/16 - 18 UNC H3H55/16 - 24 UNFH3H4 295620029564002956800 2.72 0.444 1.125 0.317 0.238 0.3742956900 3/8 - 16 UNC H3H5 29574002957600 2.93 0.500 1.251 0.380 0.285 0.437 3/8 - 24 UNF H3 2958000 Packed: 1 pc. Other coatings available upon request. Specify treatment at time of order. Work Material P M K N S H Carbon Steels AlloyList No.Low10101018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCast30040017-4 PHIronAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-5050-70HRCHRCHRC 295 SFM 40-80 40-65 good best 468 Spiral Fluted Taps WWW.OSGTOOL.COM