d k HY-PRO® AL S. T. I. High Performance Spiral Flute Tap for Aluminum SCREW THREAD INSERT List 13039 HSSE V BR STI 50˚ Spiral Fluted, Modified Bottom (2.5P) Lc Ln L lk Modified Bottom Tap Size (2.5P - 3P)ThreadNo. ofLimitFlutesEDP NumberCoating SuffixOverallThreadNeckShankSquare SquareLengthLengthLengthDia.WidthLength Bright V L Lc Ln d k lk 2 - 56 UNC4 - 40 UNC 13039001 001303900200 0808 1.882.00 0.1770.251 0.5620.688 0.140 0.109 0.188 6 - 32 UNC H28 - 32 UNC 13039003 001303900400 0808 2.38 0.311 0.8740.937 0.1940.2200.1510.164 0.2510.279 10 - 32 UNF 13039005 00 08 2.50 0.417 1.000 0.255 0.190 0.311 1/4 - 20 UNC1/4 - 28 UNF 13039006 0021303900700 0808 2.72 0.500 1.125 0.317 0.238 0.374 5/16 - 18 UNC5/16 - 24 UNFH3 13039008 001303900900 0808 2.94 0.555 1.251 0.380 0.285 0.437 3/8 - 16 UNC3/8 - 24 UNF 13039010 001303901100 0808 3.383.16 0.625 1.9331.712 0.3670.3220.2740.242 0.405 7/16 - 20 UNF1/2 - 20 UNFH4 13039012 00 08 3.38 0.712 1.933 0.367 0.274 0.4371303901300083.590.7671.9720.4290.3220.500 Packed: 1 pc. EDP’s listed above are stocked standard, 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 13039 SFM 40-80 40-65 good best 610 STI Taps WWW.OSGTOOL.COM