d k GENERAL PURPOSE S. T. I. SCREW THREAD INSERT List 125 (Continued) HSS BR STI Spiral Pointed, Plug (3.5P-4.5P) Lc Ln L lk Tap Size Thread No. ofLimitFlutesEDP Number Overall Thread Neck Shank Square SquarePlugLengthLengthLengthDia.WidthLength(3.5P - 4.5P) Bright L Lc Ln d k lk 9/16 - 18 UNF H3H4 1250110012501200 3.81 1.090 1.562 0.480 0.359 0.562 5/8 - 11 UNC H3H4 1250130012501400 4.25 1.220 1.712 0.590 0.442 0.688 5/8 - 18 UNF H3H4 1250150012501600 4.03 1.090 1.562 0.542 0.405 0.625 3/4 - 10 UNC H3H5 3 1250170012501800 4.68 1.334 1.885 0.697 0.522 0.751 3/4 - 16 UNF H3H4 1250190012502000 4.46 1.417 1.771 0.652 0.488 0.688 7/8 - 9 UNC H3H57/8 - 14 UNFH3H41 - 8 UNC1 - 12 UNFH6H44H61250210012502200125023005.121.500 2.090 0.800 0.600 0.81112502400125025001250260012502700125028005.752.3811.0200.7661.0001.7125.442.3030.8950.6720.874 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 125 SFM 25-80 20-50 20-45 25-75 40-80 40-65 good best 624 STI Taps WWW.OSGTOOL.COM