T-A^® Drill Inserts - HSS

Recommended Speeds and Feeds

FEED (IPR) Material Material Hardness (BHN) * Tool Steel Grade TiN SFM * * TiAlN SFM TiCN SFM 3/8 to 1/2 33/64 to 11/16 45/64 to 15/16 31/32 to 1-3/8 1-13/32 to 1-7/8 1-29/32 to 2-9/16 2-19/32 to 4-1/2 Free Machining Steel 1118,1215 12L14,etc. 100-150 150-200 200-250 HSS HSS HSS 200 180 160 280 260 240 260 235 210 .007 .007 .006 .010 .010 .010 .013 .013 .013 .016 .016 .016 .020 .020 .020 .023 .023 .023 .028 .028 .028 Low Carbon Steel 1010,1020 1025,1522 1144,etc. 085-125 125-175 175-225 225-275 HSS HSS HSS HSS 170 160 150 140 250 240 225 210 220 210 195 180 .006 .006 .005 .005 .009 .009 .008 .008 .012 .012 .010 .010 .015 .015 .014 .014 .019 .019 .018 .018 .023 .023 .021 .021 .027 .027 .024 .024 Medium Carbon Steel 1030,1040 1050,1527 1140,1151 etc. 125-175 175-225 225-275 275-325 HSS HSS HSS SC,PC 160 150 140 130 240 225 210 195 210 195 180 170 .006 .005 .005 .004 .009 .008 .008 .007 .012 .010 .010 .009 .015 .014 .014 .012 .019 .018 .018 .016 .023 .021 .021 .019 .027 .024 .024 .022 Alloy Steel 4140,5140 8640,etc. 125-175 175-225 225-275 275-325 325-375 HSS HSS HSS SC,PC SC,PC 150 140 130 120 110 210 195 180 170 155 195 180 170 155 145 .006 .005 .005 .004 .003 .008 .008 .007 .006 .006 .010 .010 .010 .009 .009 .014 .014 .014 .012 .012 .017 .017 .017 .015 .015 .019 .019 .019 .017 .017 .022 .022 .022 .020 .020 High Strength Alloy 4340,4330V 300M,etc. 225-300 300-350 350-400 SC,PC SC,PC PC 80 60 50 110 85 70 100 80 65 .005 .004 .003 .007 .007 .006 .009 .009 .008 .010 .010 .009 .014 .014 .012 .017 .017 .015 020 .020 .018 Structural Steel A36,A285 A516,etc. 100-150 150-250 250-350 HSS HSS SC,PC 140 120 100 200 170 140 180 155 130 .006 .005 .004 .010 .009 .008 .012 .010 .009 .014 .012 .010 .018 .016 .014 .021 .019 .017 .026 .024 .020 High Temp Alloy Hastelloy B Inconel 600, etc. 140-220 220-310 SC,PC PC 30 25 40 35 35 30 .003 .003 .007 .006 .008 .007 .010 .008 .012 .010 .015 .012 --- --- Stainless Steel 303,416,420 17-4PH,etc. 135-185 185-275 HSS HSS 75 60 105 90 95 80 .006 .005 .008 .007 .009 .008 .011 .010 .014 .012 .016 .014 .020 .018 Tool Steel H-13,H-21,A-4 0-2,S-3,etc. 150-200 200-250 SC SC,PC 80 60 110 90 105 85 .004 .004 .006 .006 .008 .008 .010 .010 .012 .012 .015 .015 .017 .017 Aluminum 30 185 HSS HSS 600 300 850 450 750 400 .008 .008 .013 .013 .016 .016 .020 .018 .022 .022 .025 .025 .025 .025 Cast Iron Gray,Ductile Nodular 120-150 150-200 200-220 220-260 260-320 HSS HSS HSS SC,PC SC,PC 170 150 130 110 90 250 225 195 165 135 220 195 170 145 120 .007 .006 .006 .005 .004 .012 .011 .009 .007 .006 .016 .014 .012 .009 .007 .020 .018 .016 .012 .009 .024 .022 .018 .014 .012 .027 .025 .021 .017 .014 .030 .028 .024 .020 .016

* HSS = CPM-M4 High Speed Steel, SC = CPM-T15 Super Cobalt High Speed Steel, PC = Premium Cobalt High Speed Steel. Super and Premium Cobalt tools should be used primarily when drilling exotic and high alloy material. They may also be used in normal applications to i ** The speeds recommended for TiAIN coated tools are based on empirical data obtained under "Optimum Conditions". Inasmuch as many applications do not exhibit "Optimum Conditions", reductions in speed parameters may be required due to excessive tool wear generated The speeds and feeds listed above are considered a general starting point for all applications. Factory technical assistance is also available for your specific applications through our Application Engineering Team. Please have item number, hole diameter, depth, material grade, BHN hardness and cool Speed and feed reductions are recommended, with the speeds and feeds listed above, when using extended length T-A® holders. This is due to the large depth to diameter ratio and chip evacuation requirements associated with deeper drill depths. As much as a 20% reduction in speed and a 10% For additional information on horsepower and thrust please use AMEC's "Speed and Feed" slide charts.

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