
S. T. I. GENERAL PURPOSE SCREW THREAD INSERT List 126 (Continued) HSS BR STI Straight Fluted, Plug (3.5P-4.5P), Bottom (1.5P-2P) Tap Size Thread No. ofLimitFlutes EDP Number Overall Thread Neck Shank Square SquareBottomPlugLengthLengthLengthDia.WidthLength(1.5P - 2P)(3.5P - 4.5P) Bright Bright L Lc Ln d k lk 9/16 - 18 UNF H3H4 1260200012602200 1260190012602100 3.81 1.165 2.125 0.480 0.359 0.562 5/8 - 11 UNC H3H45/8 - 18 UNFH3H4 12602400126026001260280012603000126023001260250012602700126029004.252.433 0.590 0.442 0.6881.2714.032.1650.5420.4050.625 3/4 - 10 UNC H3H53/4 - 16 UNFH3H44 12603200126034001260360012603800126031001260330012603500126037004.682.653 0.697 0.522 0.7511.4014.462.4330.6520.4880.688 7/8 - 9 UNC H3H57/8 - 14 UNFH3H41 - 8 UNCH61 - 12 UNFH4H61260400012603900126042001260440012604100126043005.121.5553.011 0.800 0.600 0.811126046001260450012604800126050001260520012605400126047001260490012605100126053005.751.0200.7661.0001.7513.0745.430.8950.6720.881 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 126 SFM 25-80 20-50 20-45 25-75 40-80 40-65 good best WWW.OSGTOOL.COM STI Taps 627