d k HY-PRO® SEVEN General Purpose Class of Fit Taps List 297 HSS TiN S/O BR 50˚ Bottom (1.5P-2P) Lc Ln L lk Bottom (1.5P - 2P)Tap SizeClassNo. ofof FitFlutesEDPCoating SuffixOverallThreadNeckShankSquareSquareLengthLengthLengthDia.WidthLength Number Bright S/O TiN L Lc Ln d k lk 3 - 48 UNC3 - 56 UNF 2984529846 0000 0101 0505 1.81 0.496 0.535 4 - 40 UNC4 - 48 UNF 2 2985029864 0000 0101 0505 1.87 0.295 0.559 0.140 0.109 0.188 5 - 40 UNC 29865 00 01 05 1.93 0.311 0.625 6 - 32 UNC6 - 40 UNF 2985229866 0000 0101 0505 2.00 0.370 0.685 8 - 32 UNC8 - 36 UNF10 - 24 UNC10 - 32 UNF12 - 24 UNC2B298532986729854298550000000001010101050505052.120.374 0.751 0.167 0.131 0.2512.370.4920.8660.1940.151298680001050.4960.9330.2200.1640.279 1/4 - 20 UNC1/4 - 28 UNF 2985629857 0000 0101 0505 2.50 0.594 0.996 0.255 0.190 0.311 5/16 - 18 UNC5/16 - 24 UNF 3 2985829859 0000 0101 0505 2.72 0.665 1.125 0.317 0.238 0.374 3/8 - 16 UNC3/8 - 24 UNF 2986029861 0000 0101 0505 2.93 0.751 1.251 0.380 0.285 0.437 7/16 - 14 UNC7/16 - 20 UNF 2986929870 0000 0101 0505 3.15 0.858 1.712 0.322 0.242 0.405 1/2 - 13 UNC1/2 - 20 UNF 2986229863 0000 0101 0505 3.37 0.921 1.933 0.367 0.274 0.437 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 297 SFM 50-90 40-80 30-80 30-80 good best 476 Spiral Fluted Taps WWW.OSGTOOL.COM