d k HY-PRO® SEVEN General Purpose Class of Fit Taps List 287 HSS TiN S/O BR Plug (4.5P-5.5P) Lc Ln L lk Tap Size Plug (4.5P - 5.5P)Classof FitNo. ofFlutesEDPNumberCoating SuffixBrightS/OTiNOverallThreadNeckShankSquareSquareLengthLengthLengthDia.WidthLengthLLcLndklk 0 - 80 UNC 28841 00 01 05 1.62 0.311 - 1 - 64 UNC1 - 72 UNF 28842 002884300 0101 0505 1.68 0.374 -- 2 - 56 UNC 2B 28844 00 01 05 1.75 0.437 - 3 - 48 UNC3 - 56 UNF 28845 002884600 0101 0505 1.81 0.496 -- 4 - 40 UNC 3B 28850 00 01 05 0.140 0.109 0.188288000001051.870.3180.559 4 - 48 UNF 28864 00 01 05 5 - 40 UNC 2B 28865 00 01 05 1.93 0.322 0.618 6 - 32 UNC 3B 2 2885228802 0000 0101 0505 2.00 0.685 6 - 40 UNF 2B8 - 32 UNC3B 28866 00 01 0528853000105 0.389288030001052.120.755 0.167 0.131 8 - 36 UNF 2B10 - 24 UNC3B10 - 32 UNF2B3B2886700 01 0528854000105 0.25128804002885500010105052.370.5030.8740.1940.15128805000105 12 - 24 UNC 2B1/4 - 20 UNC3B 28868 00288560028806001/4 - 28 UNC2B3B3288572880700000101010101050.5070.937 0.220 0.164 0.2790505052.500.6371.0070.2550.1900.31105 5/16 - 18 UNC 2B3B 2 2885828808 00005/16 - 24 UNF2B3B2885900288090001010101050505050.7001.1292.72 0.317 0.238 0.3740.6921.122 3/8 - 16 UNC 2B3B 28860 0028810003/8 - 24 UNF2B3B7/16 - 14 UNC32886128811288690000007/16 - 20 UNF2B2887000010101010101050505050.7591.2482.930.3800.2850.4370.7481.23605053.150.8811.3140.3220.2420.405 1/2 - 13 UNC 3B1/2 - 20 UNF2B3B28862 00 01 0528812002886300010105053.370.9401.374 0.367 0.274 0.43728813000105 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 287 SFM 50-90 40-80 30-80 30-80 good best WWW.OSGTOOL.COM Spiral Pointed Taps 539