DEEP THREADING LONG TOOLS FOR DEEP HOLES UN-60° FULL PROFILE ● TiCN COATED ● 2B ● INTERNAL UN & ISO 60° PARTIAL PROFILE THREAD SIZE TPI D2 L1 L D Z* MIN BORE PART # VAR- UNC UNF 1/4”-20 - 20 .157 .787 2.480 5/16 3 .205 80220 - 1/4”-28 28 .181 .787 2.480 5/16 3 .217 80271 5/16”-18 - 18 .205 .984 2.874 3/8 3 .256 80221 - 5/16”-24 24 .224 .984 2.874 3/8 3 .268 80272 3/8”-16 - 16 .264 1.181 2.874 3/8 3 .315 80222 - 3/8”-24 24 .291 1.181 2.874 3/8 3 .335 80273 7/16”-14 - 14 .299 1.378 3.268 1/2 4 .366 80274 - 7/16”-20 20 .335 1.378 3.268 1/2 4 .386 80275 1/2”-13 - 13 .350 1.575 3.268 1/2 4 .425 80223 - 1/2”-20 20 .398 1.575 3.268 1/2 4 .453 80276 9/16”-12 - 12 .406 1.772 3.780 5/8 4 .484 80224 - 9/16”-18 18 .445 1.772 3.780 5/8 4 .504 80277 5/8”-11 - 11 .433 1.969 3.976 5/8 4 .531 80225 - 5/8”-18 18 .504 1.969 3.976 5/8 4 .571 80278 3/4”-10 - 10 .531 2.362 4.370 5/8 5 .650 80226 - 3/4”-16 16 .610 2.362 4.370 5/8 5 .689 80227 MIN THREAD PITCH PART # VAR- DIMENSIONS MM COARSE MM FINE UN, UNS, UNF, UNEF mm tpi D D2 L L1 Z* M5x0.8 M5x0.5, M5x0.75 #10-56UNS, #10-48UNS, #10-40UNS, #10-36UNS, #10-32UNF 0.5-0.8 32-56 80414 3/16 .154 1.750 0.63 4 M6x1.0 M6x0.5, M6x0.75 #12-56UNS, #12-48UNS, 1/4-40UNS, 1/4-36UNS 1/4-32UNEF, 1/4-28UNF, 1/4-27UNS, 1/4-24UNS 0.5-1.0 24-56 80415 1/4 .191 2.000 0.79 5 M8x1.25 M7x0.5, M7x0.75, M7.5X1.0 5/16-48UNS, 5/16-40UNS, 5/16-36UNS, 5/16-32UNEF, 5/16-28UN, 5/16-27UNS, 5/16-24UNS, 5/16-20UN 0.5-1.25 20-48 80416 1/4 .232 2.500 1.00 5 --- M10.5x0.5, M11x0.75, M11X1.0 7/16-32UN, 7/16-28UNEF, 7/16-27UNS, 7/16-24UNS 0.5-1.0 24-56 80417 3/8 .39 3.000 1.38 6 M10x1.5 M10x1.0, M10x1.25 3/8-24UNF, 3/8-20UN, 7/16-18UNS, 7/16-16UN 1.0-1.50 16-24 80423 5/16 .311 2.500 1.26 6 M12x1.75 M12x1.0, M12x1.25, M12x1.5 1/2-24UNS, 1/2-20UNS, 1/2-18UNS, 1/2-16UNS, 1/2-14UNS 1.0-1.75 14-24 80424 3/8 .39 3.000 1.50 6 --- M13.5x1.0, M14x1.25, M14x1.5 9/16-24UNEF 1.0-1.75 14-24 80425 1/2 .469 3.250 1.77 6 (Thriller) ● DRILL ● THREAD ● CHAMFER HELICOOL-HTC HELICOOL-HTC COOLANT THRU THREAD SIZE PITCH mm D3 D mm Le L4 L PART # VAR- VTS VTN ISO 2xD2 Coarse M6x1.0 1.00 .197 8 .500 .571 2.441 80687 80680 M8x1.25 1.25 .268 10 .622 .717 2.913 80688 80681 M10x1.5 1.50 .335 12 .811 .921 3.110 80689 80682 M12x1.75 1.75 .406 14 .945 1.067 3.504 80690 80683 ISO 2.5xD2 Coarse M6x1.0 1.00 .197 8 .579 .650 2.441 80691 80684 M8x1.25 1.25 .268 10 .819 .913 2.913 80692 80685 M10x1.5 1.50 .335 12 .988 1.098 3.110 80693 80686 MultiFlute *Z = No. of flutes SOLID CARBIDE THREAD MILLS Helical Flutes with Thru-Hole Coolant 2 x D2 INTERNAL THREAD SIZE TPI D D2 L Le # FL # TEETH MIN. BORE PART # VAR- UNC UNF UNEF #10-32 #12-3/8"x32 32 3/16 .150 1.772 .391 6 12 .157 80042 1/4"x28 7/16"-1/2"x28 28 1/4 .203 2.244 .518 6 14 .216 80052 #10-24 5/16"; 3/8"x24 9/16"-11/16"x24 24 3/16 .141 1.772 .396 4 9 .150 80093 1/4"-20 7/16"; 1/2"x20 3/4"-1"x20 20 1/4 .192 2.244 .525 5 10 .201 80095 5/16"x18 9/16"; 5/8"x18 11/16"-1.11/16"x18 18 5/16 .242 2.402 .639 6 11 .260 80096 3/8"x16 3/4"x16 16 5/16 .301 2.402 .781 6 12 .315 80097 7/16"x14 7/8"x14 14 3/8 .354 2.874 .893 6 12 .370 80098 1/2"x13 13 1/2 .407 3.150 1.039 6 13 .429 80099 9/16"x12 1"-1.1/2"x12 12 1/2 .465 3.150 1.125 6 13 .484 80100 5/8"x11 11 5/8 .516 3.622 1.318 6 14 .539 80101 3/4"x10 10 5/8 .622 3.622 1.550 7 15 .657 80104 7/8"x9 9 3/4 .746 4.016 1.833 7 16 .768 80125 1”x8 8 3/4 .746 4.016 2.063 7 16 .866 80126 3 x D2 THREAD SIZE TPI D D2 L Le # FL # TEETH MIN. BORE PART # VAR- UNC UNF UNEF #10-32 #12-3/8"x32 32 3/16 .150 1.969 .579 5 18 .157 80128 1/4"x28 7/16"-1/2"x28 28 1/4 .203 2.441 .768 5 21 .216 80129 #10-24 5/16"; 3/8"x24 9/16"-11/16"x24 24 3/16 .141 1.969 .605 3 14 .150 80130 1/4"-20 7/16"; 1/2"x20 3/4"-1"x20 20 1/4 .192 2.441 .776 4 15 .201 80131 5/16"x18 9/16"; 5/8"x18 11/16"-1.11/16"x18 18 5/16 .242 2.756 .975 5 17 .260 80132 3/8"x16 3/4"x16 16 5/16 .301 2.756 1.157 5 18 .315 80133 7/16"x14 7/8"x14 14 3/8 .354 3.150 1.319 5 18 .370 80134 1/2"x13 13 1/2 .407 3.622 1.577 5 20 .429 80135 9/16"x12 1"-1.1/2"x12 12 1/2 .465 3.622 1.709 5 20 .484 80136 5/8"x11 11 5/8 .516 4.252 1.954 5 21 .539 80137 3/4"x10 10 5/8 .622 4.252 2.350 5 23 .657 80138 7/8"x9 9 3/4 .746 4.921 2.722 5 24 .768 80139 1"x8 8 3/4 .746 5.315 3.060 5 24 .866 80140 Tap 60°, Tap 55° For Bone Plate Application - Internal THREAD ANGLE PITCH mm Taper Profile Height h D D2 D1 L Le # FL # TEETH PART # VAR- 60° 0.4 20° .008 1/4 .232 .126 2.244 .315 3 20 80975 0.5 20° .010 1/4 .232 .114 2.244 .354 3 18 80976 55° 0.3 20° .007 1/8 .110 .059 1.496 .154 3 13 80977 0.35 20° .008 3/16 .154 .071 1.772 .248 3 18 80978 0.4 20° .011 1/4 .232 .098 2.244 .394 3 25 80979 0.5 20° .013 1/4 .232 .114 2.244 .354 3 18 80980 0.6 20° .019 1/4 .232 .150 2.244 .260 3 11 80981 STRAIGHT FLUTE THREAD ANGLE PITCH mm Taper Profile Height h D (mm) D2 D1 L Le # FL # TEETH PART # VAR- 60° 0.4 20° .008 6 .232 .126 2.244 .315 3 20 101-00148 0.5 20° .010 6 .232 .114 2.244 .354 3 18 101-00149 55° 0.3 20° .007 3 .110 .059 1.496 .154 3 13 101-00150 0.35 20° .008 4 .154 .071 1.772 .248 3 18 101-00151 0.4 20° .011 6 .232 .098 2.244 .394 3 25 101-00152 0.5 20° .013 6 .232 .114 2.244 .354 3 18 101-00153 0.6 20° .019 6 .232 .150 2.244 .260 3 11 101-00147 HELICAL FLUTE 20° TAPER 20° TAPER - 1047 - Toll Free Fax Email Houston Bass Tool & Supply, Inc. 800-442-0042 (713) 681-4931
[email protected] (713) 682-1889 www.basstool.com
Bass Tool Catalog 2025
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