d k A-OIL-SFT Advanced Performance Taps for a Variety of Materials List 16545 VC10 V Var.˚ A-OIL-SFT, Coolant-Through, DIN Overall Length, Modified Bottom (2.5P) Lc Ln L lk Tap Size ThreadLimit No. ofFlutes EDP NumberMod Bottom (2.5P)DINOverallLengthThreadLengthNeckLengthShankDia.Square SquareWidthLength V L Lc Ln d k lk 1/4 - 20 UNC H51/4 - 28 UNFH4 16545001081654500208 3.14 0.401 1.181 0.255 0.190 0.311 5/16 - 18 UNC H55/16 - 24 UNFH4 16545003081654500408 3.54 0.444 1.377 0.317 0.238 0.374 3/8 - 16 UNC H53/8 - 24 UNFH4 16545005081654500608 3.933.54 0.500 1.5351.377 0.380 0.285 0.437 7/16 - 14 UNC7/16 - 20 UNF 3 16545007081654500808 3.93 0.570 1.712 0.322 0.242 0.405 1/2 - 13 UNC1/2 - 20 UNF 16545009081654501008 4.333.93 0.614 1.933 0.367 0.274 0.437 9/16 - 12 UNC9/16 - 18 UNF H5 16545011081654501208 4.333.93 0.665 1.972 0.429 0.322 0.500 5/8 - 11 UNC5/8 - 18 UNF 16545013081654501408 4.333.93 0.728 2.125 0.480 0.359 0.562 3/4 - 10 UNC3/4 - 16 UNF 16545015081654501608 4.924.33 1.000 2.433 0.590 0.442 0.688 7/8 - 9 UNC7/8 - 14 UNF H6 16545017081654501808 5.514.92 1.110 2.653 0.697 0.522 0.751 1 - 8 UNC H8 16545019081654502008 6.29 1.251 3.011 0.800 0.600 0.811 1 - 12 UNF H6 1654502108 5.51 1,1/8 - 7 UNC1,1/8 - 8 UN H9 16545022081654502308 7.08 1.732 3.818 0.895 0.672 0.874 1,1/8 - 12 UNF H8 1654502408 5.90 1.496 3.070 1,1/4 - 7 UNC1,1/4 - 8 UN1,1/4-12 UNFH10H9H8 4 1654502508165450260816545027087.085.901.7321.4963.9373.070 1.020 0.766 1.000 1,3/8 - 6 UNC H101,3/8 - 8 UNH9 16545028081654502908 7.87 2.007 4.527 1.107 0.831 1.062 1,3/8 - 12 UNF H8 1654503008 6.69 1.496 3.582 1,1/2 - 6 UNC H101,1/2 - 8 UNH91,1/2 - 12 UNFH81654503108165450320816545033087.876.692.0071.4964.5273.582 1.232 0.925 1.125 1,5/8 - 8 UN H10 1654503408 7.87 4.330 1.305 0.979 1,3/4 - 5 UNC H111,3/4 - 8 UN1,7/8 - 8 UNH101654503508165450360816545037088.667.878.852.4012.0074.7243.9764.9211.4301.5191.0721.1381.251 2 - 4,1/2 UNC H122 - 8 UNH10 16545038081654503908 9.848.85 2.6772.007 5.5114.803 1.644 1.233 1.374 Packed: 1 pc. Available V coating only. ATP Work Material P M K N S H Carbon Steels AlloyList No.Low10101018Med.10351045HighSteelsDie10654140Steels4340Stainless SteelsCast30040017-4 PHIronAluminumNickelAlloyTitaniumHardened Steels60617075CastingInconel6Al4V(30 HRC)~35HRC35-4545-5050-70HRCHRCHRC 16545 SFM 100-200 100-200 100-200 50-100 40-80 25-70 25-70 25-50 60-150 90-220 90-220 50-100 good best 420 Spiral Fluted Taps WWW.OSGTOOL.COM