
d k S. T. I. GENERAL PURPOSE SCREW THREAD INSERT List 127 HSS BR STI Spiral Pointed, Plug (3.5P-4P) Lc Ln L lk Tap Size Thread No. ofLimitFlutesEDP Number Overall Thread Neck Shank Square SquarePlugLengthLengthLengthDia.WidthLength(3.5P - 4P) Bright L Lc Ln d k lk M2 x 0.4 12700100 46 6 13.1 M2.5 x 0.45 D2 12700200 49 8 15.7 3.58 2.79 4.8 M3 x 0.5 2 12700300 50 10 17.5 M4 x 0.7 12700400 60 13 22.4 4.92 3.86 6.4 M5 x 0.8M6 x 1.0 D3 12700500 63 16 25.7 6.47 4.85 7.912700600691728.78.076.059.5 M8 x 1.25M10 x 1.5M12 x 1.75D4 1270070012700800 7485 1923 31.834.9 9.679.32 7.266.98 11.112700900912537.410.898.1812.7 M14 x 2.0 3 12701000 102 27 40.7 13.76 10.31 15.9 M16 x 2.0 12701100 108 31 43.5 14.98 11.23 17.5 M18 x 2.5 D5M20 x 2.5 1270120012701300 119124 33 47.9 17.70 13.2819.3014.4819.1 M22 x 2.5 12701400 130 38 53.1 20.32 15.24 20.6 M24 x 3.0 D6 4 12701500 138 43 58.5 22.75 17.07 22.2 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 127 SFM 25-80 20-50 20-45 25-75 40-80 40-65 good best WWW.OSGTOOL.COM STI Taps 625