d k GENERAL PURPOSE Ideal for Cast Iron List 101C HSS N S/O Plug (3.5P-4.5P), Bottom (1.5P-2P) Lc Ln L lk EDP Number Overall Thread Neck Shank Square Square Tap Size Thread No. of BottomLimitFlutes(1.5P - 2P)Plug Length Length Length Dia. Width Length(3.5P - 4.5P) Nitride-S/O Nitride-S/O L Lc Ln d k lk 1/4 - 20 UNC H3H5 1600207 1600107160040716003072.50 0.756 1.189 0.255 0.191 0.311 1/4 - 28 UNF H35/16 - 18 UNCH5 1600607 160050716008071600707160100716009072.720.8351.323 0.318 0.238 0.374 5/16 - 24 UNF H33/8 - 16 UNCH5 1601207 160110716014071601307160160716015072.930.9371.413 0.381 0.286 0.437 3/8 - 24 UNF H37/16 - 14 UNCH57/16 - 20 UNFH3H51601807 16017071602007160190716022071602407160210716023073.151.0711.6890.323 0.242 0.40616026071602507 1/2 - 13 UNC H3H51/2 - 20 UNFH3H54 1602807 160270716030071603207160290716031073.371.1771.811 0.367 0.275 0.43716034071603307 9/16 - 12 UNC H39/16 - 18 UNFH5 1603607 1603507160380716037073.59 1.280 1.941 0.429 0.322 0.5001600007– 5/8 - 11 UNC H3H55/8 - 18 UNFH3H5 1604007 160390716048071604207160470716041073.811.3902.000 0.480 0.360 0.5631605207– 3/4 - 10 UNC H33/4 - 16 UNFH5 1604407 1604307160460716045074.25 1.531 2.220 0.590 0.442 0.68916050071604907 Packed: 1 pc. Available Nitride/Steam Oxide treatment only. Work Material P M K N S H Carbon Steels AlloyList No.Low10101018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCast30040017-4 PHIronAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-5050-70HRCHRCHRC 101C SFM 25-75 40-65 good best 580 Straight Fluted Taps WWW.OSGTOOL.COM