UN 60°- INTERNAL 1.5 x D2 UN 60°- INTERNAL 2 x D2 SOLID CARBIDE THREAD MILLS WITH COOLANT THRU HOLE TiCN COATED SOLID CARBIDE THREAD MILLS HELICOOL HELICOOL HELICAL FLUTES TiCN COATED THREAD MILLS UN 60° - INTERNAL NPT EXTERNAL & INTERNAL NPTF EXTERNAL & INTERNAL METRIC - EXTERNAL 60° METRIC - INTERNAL 60° *Bore Diameter applies to smallest thread Dia. HE- LEX HE- LEX ACME - INTERNAL (2G, 29°) DEEP THREADING CONTINUED ON NEXT PAGE NPT External / Internal NPTF External / Internal THREAD SIZE TPI D2 L1 L D MIN BORE PART # VAR- 1/16”-27 27 0.232 0.389 2.244 1/4 0.244 80321 1/8”-27 27 0.301 0.389 2.402 5/16 0.330 80322 1/4”-18 18 0.370 0.583 2.874 3/8 0.437 80323 3/8”-18 18 0.439 0.583 2.874 1/2 0.562 80324 1/2”, 3/4”-14 14 0.561 0.750 3.150 5/8 0.704, 0.905 80325 1”, 1.1/4”, 1.1/2”, 2”-11.5 11.5 0.746 0.913 4.016 3/4 1.411, 1.484, 1.732, 2.204 80326 2.1/2”-8, 3”-8 8 0.746 1.313 4.016 3/4 2.625, 3.232 80327 THREAD SIZE TPI D2 L1 L D MIN BORE PART # VAR- 1/16”-27 27 0.232 0.389 2.244 1/4 0.240 80328 1/8”-27 27 0.301 0.389 2.402 5/16 0.330 80329 1/4”-18 18 0.370 0.583 2.874 3/8 0.437 80330 3/8”-18 18 0.439 0.583 2.874 1/2 0.562 80331 1/2”, 3/4”-14 14 0.561 0.750 3.150 5/8 0.704, 0.905 80332 1”, 1.1/4”, 1.1/2”, 2”-11.5 11.5 0.746 0.913 4.016 3/4 1.411, 1.484, 1.720, 2.188 80333 2.1/2”-8, 3”-8 8 0.746 1.313 4.016 3/4 2.610, 3.232 80334 - 1043 - Toll Free Fax Email Houston Bass Tool & Supply, Inc. 800-442-0042 (713) 681-4931
[email protected] (713) 682-1889 www.basstool.com FOR THREADS TPI D2 L1 L D MIN BORE PART # VAR- UNC UNF UNEF #10-32 #12 to 3/8”-32 32 0.150 0.391 1.772 3/16 0.157 80291 #12 to 3/8”-32 32 0.173 0.453 2.244 1/4 0.185 80292 #12; 1/4”-28 7/16”; 1/2”-28 28 0.169 0.446 2.244 1/4 0.181 80293 1/4”-28 7/16”; 1/2”-28 28 0.203 0.518 2.244 1/4 0.216 80294 7/16”; 1/2”-28 28 0.371 0.875 2.874 3/8 0.401 80295 #10-24 5/16”; 3/8”-24 9/16” to 11/16”-24 24 0.141 0.396 1.772 3/16 0.150 80296 #12-24 5/16”; 3/8”-24 9/16” to 11/16”-24 24 0.163 0.437 2.244 1/4 0.177 80297 5/16”; 3/8”-24 9/16” to 11/16”-24 24 0.263 0.646 2.402 5/16 0.272 80298 3/8”-24 9/16” to 11/16”-24 24 0.323 0.771 2.874 3/8 0.335 80299 9/16” to 11/16”-24 24 0.496 1.145 3.150 1/2 0.520 80300 1/4”-20 7/16”; 1/2”-20 3/4” to 1”-20 20 0.192 0.525 2.244 1/4 0.201 80301 7/16”; 1/2”-20 3/4” to 1”-20 20 0.362 0.875 2.874 3/8 0.390 80302 1/2”-20 3/4” to 1”-20 20 0.437 1.025 3.150 1/2 0.453 80303 3/4” to 1”-20 20 0.685 1.525 4.016 3/4 0.701 80304 5/16”-18 9/16”; 5/8”-18 11/16” to 1.11/16”-18 18 0.242 0.639 2.402 5/16 0.260 80305 9/16”; 5/8”-18 11/16” to 1.11/16”-18 18 0.492 1.139 3.150 1/2 0.512 80306 5/8”-18 11/16” to 1.11/16”-18 18 0.555 1.250 3.622 5/8 0.575 80307 3/8”-16 3/4”-16 16 0.301 0.781 2.402 5/16 0.315 80308 3/4”-16 16 0.669 1.528 4.016 3/4 0.689 80309 7/16”-14 7/8”-14 14 0.354 0.893 2.874 3/8 0.370 80310 7/8”-14 14 0.746 1.750 4.016 3/4 0.807 80311 1/2”-13 13 0.407 1.039 3.150 1/2 0.430 80312 9/16”-12 1” to 1.1/2”-12 12 0.465 1.125 3.150 1/2 0.484 80313 1” to 1.1/2”-12 12 0.746 2.042 4.016 3/4 0.925 80314 5/8”-11 11 0.516 1.318 3.622 5/8 0.539 80315 3/4”-10 10 0.622 1.550 3.622 5/8 0.657 80316 7/8”-9 9 0.746 1.833 4.016 3/4 0.768 80317 1”-8 8 0.746 2.063 4.016 3/4 0.866 80318 FOR THREADS TPI D2 L1 L D MIN BORE PART # VAR- UNC UNF UNEF #10-24 5/16”; 3/8”-24 9/16” to 11/16”-24 24 0.141 0.312 1.772 3/16 0.150 80360 #12-24 5/16”; 3/8”-24 9/16” to 11/16”-24 24 0.163 0.354 2.244 1/4 0.177 80361 1/4”-20 7/16”; 1/2”-20 3/4” to 1”-20 20 0.192 0.375 2.244 1/4 0.201 80362 5/16”-18 9/16”; 5/8”-18 11/16” to 1.11/16”-18 18 0.242 0.472 2.402 5/16 0.260 80363 3/8”-16 3/4”-16 16 0.301 0.594 2.402 5/16 0.315 80364 7/16”-14 7/8”-14 14 0.354 0.678 2.874 3/8 0.370 80365 1/2”-13 13 0.407 0.808 3.150 1/2 0.429 80366 9/16”-12 1” to 1.1/2”-12 12 0.465 0.875 3.150 1/2 0.484 80367 FOR THREADS TPI D2 Le L D MIN BORE PART # VAR- UNC UNF #10-32 32 0.121 0.312 2.0 1/8 0.157 80534 #10-28 28 0.121 0.321 2.0 1/8 0.155 80535 #12-28 28 0.150 0.464 2.5 3/16 0.181 80536 1/4”-28 28 0.181 0.500 2.5 3/16 0.217 80537 #10-24 24 0.120 0.333 2.0 1/8 0.150 80538 #12-24 24 0.138 0.458 2.5 3/16 0.177 80539 5/16”-24 24 0.232 0.625 2.5 1/4 0.268 80540 3/8”-24 24 0.291 0.750 3.0 5/16 0.335 80541 1/4”-20 20 0.181 0.500 2.5 3/16 0.205 80542 1/2”-20 20 0.371 1.000 3.5 3/8 0.453 80543 7/16”-20 20 0.335 0.900 3.5 3/8 0.386 80544 5/16”-18 18 0.232 0.667 2.5 1/4 0.256 80545 9/16”-18 18 0.371 0.889 3.5 3/8 0.504 80546 5/8”-18 18 0.496 1.278 3.5 1/2 0.571 80547 3/8”-16 16 0.285 0.750 3.0 5/16 0.315 80548 3/4”-16 16 0.496 1.250 3.5 1/2 0.689 80549 7/16”-14 14 0.305 0.786 3.0 5/16 0.366 80550 1/2”-13 13 0.350 0.923 3.5 3/8 0.425 80551 9/16”-12 12 0.371 0.917 3.5 3/8 0.484 80552 5/8”-11 11 0.469 1.273 3.5 1/2 0.531 80553 3/4”-10 10 0.496 1.300 3.5 1/2 0.650 80554 7/8”-9 9 0.621 1.444 4.0 5/8 0.768 80555 1”-8 8 0.621 1.375 4.0 5/8 0.878 80556 THREAD SIZE TPI D2 Le L D BORE DIA PART # VAR- 1/16”-27, 1/8”-27 27 0.209 0.407 2.5 1/4 0.248, 0.335 80562 1/4”-18, 3/8”-18 18 0.305 0.611 3.0 5/16 0.437, 0.571 80563 1/2”-14, 3/4”-14 14 0.496 0.929 3.5 1/2 0.697, 0.906 80564 1” to 2”-11.5 11.5 0.621 1.130 4.0 5/8 1.142 to 2.205 80565 2.1/2” to 6”-8 8 0.746 1.500 5.0 3/4 from 2.618 80566 THREAD SIZE TPI D2 Le L D BORE DIA PART # VAR- 1/16”-27, 1/8”-27 27 0.209 0.407 2.5 1/4 0.248, 0.331 80557 1/4”-18, 3/8”-18 18 0.305 0.611 3.0 5/16 0.437, 0.579 80558 1/2”-14, 3/4”-14 14 0.496 0.929 3.5 1/2 0.705, 0.921 80559 1” to 2”-11.5 11.5 0.621 1.130 4.0 5/8 1.158 to 2.213 80560 2.1/2” to 6”-8 8 0.746 1.500 5.0 3/4 from 2.638 80561 THREAD PITCH mm D2 Le L D mm Z PART # VAR- M3x0.5 0.50 0.154 0.236 1.772 4 3 80891 M4.5x0.75 0.75 0.154 0.354 1.772 4 3 80892 M6x1.0 1.00 0.154 0.472 1.772 4 3 80893 M8x1.25 1.25 0.232 0.640 2.244 6 3 80894 M10x1.5 1.50 0.311 0.827 2.480 8 3 80895 M14x2.0 2.00 0.390 1.102 2.874 10 4 80896 THREAD PITCH mm D2 Le L D mm Z MIN BORE* PART # VAR- COARSE FINE M3x0.5 M3.5-M16x0.5 0.50 0.087 0.236 1.772 4 3 0.098 80897 M4x0.5 0.50 0.118 0.315 1.772 4 3 0.138 80898 M5x0.5 0.50 0.154 0.394 1.772 4 3 0.177 80899 M4x0.7 0.70 0.110 0.331 1.772 4 3 0.130 80900 M6x0.75 0.75 0.154 0.472 1.772 4 3 0.209 80901 M5x0.8 0.80 0.138 0.409 1.772 4 3 0.165 80902 M6x1.0 M8-M40X1.0 1.00 0.154 0.472 1.772 4 3 0.197 80903 M8X1.0 1.00 0.232 0.630 2.244 6 3 0.276 80904 M10x1.0 1.00 0.311 0.787 2.480 8 3 0.354 80905 M12x1.0 1.00 0.390 0.945 2.874 10 4 0.433 80801 M8x1.25 1.25 0.228 0.640 2.244 6 3 0.268 80907 M10x1.25 1.25 0.303 0.787 2.480 8 3 0.346 80908 M10x1.5 M12-M48x1.5 1.50 0.303 0.827 2.480 8 3 0.335 80909 M12x1.5 1.50 0.370 0.945 2.874 10 4 0.413 80910 M14x1.5 1.50 0.441 1.122 3.268 12 4 0.492 80911 M16x1.5 1.50 0.469 1.299 3.268 12 4 0.571 80912 M12x1.75 1.75 0.343 0.965 2.874 10 4 0.402 80913 M14x2.0 M17-M80x2.0 2.00 0.390 1.102 2.874 10 4 0.472 80914 M16x2.0 M17-M80x2.0 2.00 0.469 1.260 3.268 12 4 0.551 80915 M18-M22x2.5 2.50 0.547 1.575 3.622 16 5 0.610 80916 M24x3.0 3.00 0.626 1.654 3.622 16 4 0.827 80917 THREAD PITCH DIMENSIONS INCH NO. OF FLUTES TEETH BORE DIA PART # VAR- UNC TPI D D2 L L1 Z Zt INCH 3/8"-12 12 1/4 0.240 2.520 0.811 3 1 0.354 81058 1/2"-10 10 3/8 0.327 2.990 1.071 3 1 0.400 81059 5/8"-8 8 1/2 0.425 3.500 1.330 4 1 0.500 81060 3/4"-6 6 1/2 0.488 3.500 1.600 5 1 0.583 81061 1"-5 5 5/8 0.571 4.015 2.110 5 1 0.800 81062
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