Bass Tool & Supply, Inc. Houston Email Fax Toll Free www.basstool.com (713) 682-1889
[email protected] (713) 681-4931 800-442-0042 - 88 - HIGH PERFORMANCE SOLID SUBMICRON CARBIDE DRILLS AlTiN Based Coating, 2 Flute, With or Without Coolant Hole RECOMMENDED FOR: ● STAINLESS STEELS ● HIGH TEMPERATURE, HIGH NICKEL ALLOYS ● COBALT BASED ALLOYS ● TOOL STEELS>52Rc • High performance solid submicron grade carbide drill with reinforced shank • h7 drill diameter tolerance • 140° Facet point • Coolant through capabilities for high pressure coolant systems • Double margin for true and cleaner holes • Polished flutes • Pilot drill not required for most applications d1 d2 Shank Diameter l1 Overall Length l2 Flute Length l3 Max Drill Depth l4 Shank Length PART # HTD12- Decimal Inch Metric .1181 3.000 6.0 80 40 37 36 69064 .1220 3.100 6.0 80 40 38 36 69066 .1250 1/8" 3.175 6.0 82 42 39 36 69068 .1260 3.200 6.0 82 42 39 36 69070 .1285 #30 3.264 6.0 82 42 40 36 69072 .1299 3.300 6.0 82 42 40 36 69074 .1360 #29 3.454 6.0 85 45 42 36 69076 .1378 3.500 6.0 85 45 43 36 69078 .1417 3.600 6.0 85 45 44 36 69080 .1457 3.700 6.0 90 50 45 36 69082 .1476 3.750 6.0 90 50 46 36 69084 .1496 3.800 6.0 90 50 46 36 69086 .1535 3.900 6.0 90 50 48 36 69088 .1562 5/32" 3.967 6.0 90 50 48 36 69090 .1575 4.000 6.0 95 55 49 36 69092 .1614 4.100 6.0 95 55 50 36 69094 .1654 4.200 6.0 95 55 51 36 69096 .1673 4.250 6.0 95 55 52 36 69098 .1693 4.300 6.0 95 55 52 36 69100 .1719 11/64" 4.366 6.0 95 55 53 36 69102 .1732 4.400 6.0 95 55 54 36 69104 .1772 4.500 6.0 100 60 55 36 69106 .1811 4.600 6.0 100 60 56 36 69108 .1831 4.650 6.0 100 60 57 36 69110 .1850 4.700 6.0 100 60 57 36 69112 .1875 3/16" 4.762 6.0 100 60 58 36 69114 .1890 #12 4.800 6.0 100 60 58 36 69116 .1929 4.900 6.0 100 60 60 36 69118 .1969 5.000 6.0 105 65 61 36 69120 .2010 #7 5.105 6.0 105 65 62 36 69122 .2028 5.150 6.0 105 65 63 36 69124 .2031 13/64" 5.159 6.0 105 65 63 36 69126 .2047 5.200 6.0 110 70 63 36 69128 .2087 5.300 6.0 110 70 65 36 69130 .2165 5.500 6.0 110 70 67 36 69132 .2188 7/32" 5.557 6.0 110 70 68 36 69134 .2205 5.600 6.0 115 75 68 36 69136 .2244 5.700 6.0 115 75 69 36 69138 .2283 5.800 6.0 115 75 71 36 69140 .2323 5.900 6.0 115 75 72 36 69142 .2344 15/64" 5.954 6.0 120 80 73 36 69144 .2362 6.000 6.0 120 80 73 36 69146 .2370 6.020 8.0 120 80 73 36 69148 .2402 6.100 8.0 120 80 74 36 69150 .2441 6.200 8.0 120 80 76 36 69152 .2480 6.300 8.0 120 80 77 36 69154 .2500 1/4" 6.350 8.0 125 85 77 36 69156 .2520 6.400 8.0 125 85 78 36 69158 .2559 6.500 8.0 125 85 79 36 69160 .2598 6.600 8.0 125 85 80 36 69162 .2638 6.700 8.0 125 85 82 36 69164 .2656 17/64" 6.746 8.0 130 90 82 36 69166 .2677 6.800 8.0 130 90 83 36 69168 .2717 6.900 8.0 130 90 84 36 69170 .2756 7.000 8.0 130 90 85 36 69172 .2795 7.100 8.0 130 90 86 36 69174 .2812 9/32" 7.142 8.0 135 95 87 36 69176 .2835 7.200 8.0 135 95 88 36 69178 .2874 7.300 8.0 135 95 89 36 69180 .2913 7.400 8.0 135 95 90 36 69182 .2953 7.500 8.0 135 95 91 36 69184 .2969 19/64" 7.541 8.0 141 101 92 36 69186 .2992 7.600 8.0 141 101 93 36 69188 .3031 7.700 8.0 141 101 94 36 69190 .3071 7.800 8.0 141 101 95 36 69192 .3125 5/16" 7.937 8.0 141 101 97 36 69194 .3150 8.000 8.0 141 101 97 36 69196 .3189 8.100 10.0 152 108 99 40 69198 .3228 8.200 10.0 152 108 100 40 69200 .3268 8.300 10.0 152 108 101 40 69202 .3287 8.350 10.0 152 108 102 40 69204 .3307 8.400 10.0 152 108 102 40 69206 .3346 8.500 10.0 152 108 104 40 69208 .3386 8.600 10.0 158 114 105 40 69210 .3425 8.700 10.0 158 114 106 40 69212 .3438 11/32" 8.732 10.0 158 114 106 40 69214 .3445 8.750 10.0 158 114 107 40 69216 .3465 8.800 10.0 158 114 107 40 69218 .3504 8.900 10.0 158 114 108 40 69220 .3543 9.000 10.0 158 114 110 40 69222 .3583 9.100 10.0 163 119 111 40 69224 .3602 9.150 10.0 163 119 111 40 69226 .3622 9.200 10.0 163 119 112 40 69228 12xD TOLERANCES d1 h7 d2 h6 l1 +.1181"–.1181"(+3.00–3.00mm) l2 +.1181"–.1181"(+3.00–3.00mm) l4 +.0787"–.0000"(+2.00–0.00mm) d1 d2 Shank Diameter l1 Overall Length l2 Flute Length l3 Max Drill Depth l4 Shank Length PART # HTD12- Decimal Inch Metric .3661 9.300 10.0 163 119 113 40 69230 .3701 9.400 10.0 163 119 115 40 69232 .3740 9.500 10.0 163 119 116 40 69234 .3750 3/8" 9.525 10.0 172 128 116 40 69236 .3780 9.600 10.0 172 128 117 40 69238 .3819 9.700 10.0 172 128 118 40 69240 .3858 9.800 10.0 172 128 119 40 69242 .3898 9.900 10.0 172 128 121 40 69244 .3937 10.000 10.0 172 128 122 40 69246 .3976 10.100 12.0 185 136 123 45 69248 .4016 10.200 12.0 185 136 124 45 69250 .4062 13/32" 10.317 12.0 185 136 126 45 69252 .4134 10.500 12.0 185 136 128 45 69254 .4213 10.700 12.0 185 136 130 45 69256 .4252 10.800 12.0 185 136 132 45 69258 .4331 11.000 12.0 185 136 134 45 69260 .4375 7/16" 11.112 12.0 196 147 135 45 69262 .4409 11.200 12.0 196 147 136 45 69264 .4488 11.400 12.0 196 147 139 45 69266 .4528 11.500 12.0 196 147 140 45 69268 .4688 15/32" 11.907 12.0 202 153 145 45 69270 .4724 12.000 12.0 202 153 146 45 69272 CONTINUED MACHINING PARAMETERS FOR 12xD HTD12 HP DRILLS ISO Material HRC SFM (Vc) CHIPLOAD PER TOOTH 1/8" - 1/4" 1/4" - 3/8" 3/8" - 1/2" S COBALT BASE ALLOYS Haynes 25/188, Stellite 21, Cobalt Chrome < 40 > 40 110 70 .0006"-.0016" .0004"-.0012" .0016"-.0022" .0012"-.0018" .0022"-.0035" .0018"-.0031" NICKEL BASE ALLOYS Inconel-625/718, Waspaloy, Invar, Rene, Hastelloy, Monel < 40 > 40 120 80 .0006"-.0016" .0004"-.0012" .0016"-.0022" .0012"-.0018" .0022"-.0035" .0018"-.0031" IRON BASE ALLOYS A286, Discaloy, Haynes 556, Carpenter 22, Greek Ascolloy < 40 > 40 120 80 .0006"-.0016" .0004"-.0012" .0016"-.0022" .0012"-.0018" .0022"-.0035" .0018"-.0031" TITANIUM ALLOYS Commercially Pure, 6Al-4V, Astm 1/2/3, 6Al-25N-4Zr-2Mo-Si 170 .0006"-0026" .0026"-.0040" .0040"-.0055" 5553 / Beta Titanium 120 .0005"-.0023" .0023"-.0034" .0034"-.0047" M STAINLESS STEEL 13/8, 15/5, 17-4, pH Types < 40 > 40 150 105 .0006"-.0018" .0005"-.0013"" .0018"-.0035" .0013"-.0030" .0035"-.0049" .0030"-.0043" 300 Series, 304L, Nitronic 50, Duplex, Super-Austenitic < 40 > 40 150 105 .0006"-.0018" .0005"-.0013"" .0018"-.0035" .0013"-.0030" .0035"-.0049" .0030"-.0043" 400 Series - 403, 405, 420, 455 < 40 > 40 160 105 .0006"-.0018" .0005"-.0013"" .0018"-.0035" .0013"-.0030" .0035"-.0049" .0030"-.0043" P HIGH STRENGTH TOOL STEELS A2, D2, P20, H13, S7, O1 < 40 > 40 170 105 .0008"-0026" .0006"-0020" .0026"-.0038" .0020"-.0032" .0038"-.0050" .0031"-.0043" MEDIUM ALLOY TOOL STEELS 4140, 4340, 52100, 6150, 8620 < 40 > 40 260 110 .0008"-0026" .0006"-0020" .0026"-.0038" .0020"-.0032" .0038"-.0050" .0031"-.0043" CARBON STEELS 1000’s - 1018, 1020, 12L14 < 40 320 .0008"-0029" .0030"-.0045" .0045"-.0060" N NON-FERROUS Aluminum 2014, 2024, 6061-(T1-T6), 7075 400 .0016"-.0030" .0030"-.0046" .0046"-.0062" Aluminum Die Cast 375 .0014"-.0027" .0027"-.0040" .0040"-.0054" Magnesium 275 .0014"-.0026" .0026"-.0037" .0037"-.0049" Copper 250 .0013"-.0024" .0024"-.0031" .0031"-.0044" Brass 360 .0016"-.0030" .0030"-.0044" .0044"-.0060" Bronze 260 .0013"-.0024" .0024"-.0031" .0031-.0044" K CAST MATERIAL Ductile Iron 340 .0008"-0029" .0029"-.0045" .0045"-.0060" Gray Iron 350 .0008"-0029" .0029"-.0045" .0045"-.0060"
Bass Tool Catalog 2025
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