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Ma Ford Carbide Drill Speeds and Feeds

Written By Thursday, October 6, 2022 Add Comment Edit
FEEDS & SPEEDS CHART FOR DRILLS AND REAMERS
CHIP CLASS MATERIAL BEING MACHINED MATERIAL EXAMPLES BRINELL HARDNESS CHIP DESCRIPTION TOOL APPLICATION CUTTING SPEED (SFM)
STARTING RANGE* 		FEED RATE (INCHES PER REVOLUTION)
HOLE DIAMETER IN INCHES
GENERAL PURPOSE
G.P.		 COOLANT FED
C.F.		 1/8 1/4 3/8 1/2 5/8 3/4 1 1 1/4 1 1/2
G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F.
20 ALUMINUM ALLOY
     CAST AND WROUGHT 		308.0, 356.0, 360.0, 380.0, 383.0, 390.0,
2024, 3003, 4032, 5052, 6061, 7075 		30-150
(500 kg) 		DISCONTINUOUS FLAKY OR
LONG STRINGY 		DRILL 250-350 375-550 .003 - .005 .004 .007 .005 .008 .006 .010 .006 .011 .007 .014 .009 .017 - .019 -
REAM 150-250 200-300 .004 - .006 .008 .008 .010 .011 .013 .012 .015 .013 .017 .016 .021 .019 .022 .020 .024
COPPER ALLOY
     TOUGH 		101,110, 115 120, 130, 142, 155, 170, 172, 175,
195, 425, 610, 630, 655, 725, 805, 826, 910 		40-200
(500 kg) 		LONG CONTINUOUS DRILL 125-190 225-300 .002 - .005 .004 .007 .005 .008 .006 .009 .007 .010 .008 .012 .010 .014 - .016 -
REAM 50-90 70-105 .005 - .006 .008 .008 .010 .010 .013 .011 .014 .012 .016 .014 .018 .016 .019 .017 .020
LEAD ALLOY Alloys 7, 8, 13, 15
lSb, 4Sb, 6Sb, BSb, 9Sb 		10-20
(500 kg) 		DISCONTINUOUS
TIGHTLY CURLED 		DRILL 350-450 400-500 .003 - .005 .004 .006 .006 .007 .007 .008 .008 .009 .009 .013 .013 .015 - .017 -
REAM 150-250 200-300 .002 - .006 .008 .008 .010 .012 .016 .014 .017 .015 .018 .018 .022 .021 .024 .022 .026
PLASTIC ABS, Acrylic, Allyl, Bakelite, Epoxy, Furan,
Nylon, Polyethylene, Polystyrene, PVC 		- CONTINUOUS DRILL 175-450 - .002 - .004 - .005 - .005 - .006 - .008 - .009 - .010 - .012 -
REAM 90-250 125-300 .004 - .005 .006 .007 .008 .008 .009 .009 .010 .012 .014 .014 .016 .016 .018 .018 .020
ZINC ALLOY AC41 A, AG40A, AMS4803,11 7RO 12,
ZDC NO. 7, GRADES 903,925 		80-100 LONG TIGHTLY CURLED DRILL 300-400 400-500 .003 - .005 .004 .007 .005 .009 .006 .011 .008 .012 .009 .014 .010 .016 - .018 -
REAM 140-210 170-240 .005 - .007 .009 .008 .011 .010 .013 .011 .014 .012 .016 .015 .020 .018 .022 .020 .025
CHIP CLASS MATERIAL BEING MACHINED MATERIAL EXAMPLES BRINELL HARDNESS CHIP DESCRIPTION TOOL APPLICATION CUTTING SPEED (SFM)
STARTING RANGE* 		FEED RATE (INCHES PER REVOLUTION)
HOLE DIAMETER IN INCHES
GENERAL PURPOSE
G.P.		 COOLANT FED
C.F.		 1/8 1/4 3/8 1/2 5/8 3/4 1 1 1/4 1 1/2
G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F.
40 ALUMINUM BRONZE 614, 952-958 40-175 SHORT LOOSELY CURLED DRILL 125-190 200-300 .002 - .005 .004 .007 .005 .008 .006 .009 .007 .010 .008 .012 .010 .014 - .016 -
REAM 50-90 70-105 .004 - .006 .008 .010 .013 .012 .015 .014 .016 .016 .018 .018 .021 .020 .024 .022 .028
COPPER ALLOY / BRASS / BRONZE
     FREE MACHINING 		268, 270, 314, 332, 335, 340, 342, 353
356, 360, 370, 464-467, 485, 838, 945 		10-100 Rb FLAT SMALL DRILL 225-400 300.45 .003 - .005 .004 .007 .005 .008 .006 .009 .007 .010 .008 .012 .010 .014 - .016 -
REAM 100-250 125-300 .005 - .008 .010 .011 .014 .015 .020 .017 .022 .018 .024 .020 .026 .022 .028 .025 .032
MAGNESIUM ALLOY AM60A, AZ21A, AZ91B-C,
HM31A, K1A, ZE41A, ZK40A 		50-90
(500 kg) 		FLAT SMALL DRILL 300-400 450-550 .003 - .005 .005 .006 .006 .007 .007 .008 .008 .009 .009 .013 .013 .015 - .016 -
REAM 130-190 150-250 .005 - .010 .012 .012 .015 .015 .018 .016 .019 .017 .020 .020 .024 .022 .026 .025 .028
NICKEL SILVER 745, 752, 754, 757, 770, 973-978 10-100 Rb LOOSELY CURLED DRILL 125-190 225-300 .002 - .005 .004 .007 .005 .008 .006 .009 .007 .010 .008 .012 .010 .014 - .016 -
REAM 50-90 70-105 .005 - .006 .008 .008 .010 .010 .013 .011 .014 .012 .016 .014 .018 .016 .019 .017 .020
CHIP CLASS MATERIAL BEING MACHINED MATERIAL EXAMPLES BRINELL HARDNESS CHIP DESCRIPTION TOOL APPLICATION CUTTING SPEED (SFM)
STARTING RANGE* 		FEED RATE (INCHES PER REVOLUTION)
HOLE DIAMETER IN INCHES
GENERAL PURPOSE
G.P.		 COOLANT FED
C.F.		 1/8 1/4 3/8 1/2 5/8 3/4 1 1 1/4 1 1/2
G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F.
60 CAST IRON-DUCTILE
     AUSTENITIC (NI-RESIST) 		TYPES D-2, D-2B, D-2C, D-2M,
D-3, D-3A, D-4, D-5, D-5B 		120-275 DISCONTINUOUS
TIGHTLY CURLED 		DRILL - - - - - - - - - - - - - - - - - - - -
REAM 45-70 65-100 .004 - .006 .008 .007 .009 .008 .011 .010 .014 .013 .016 .015 .018 .018 .020 .020 .025
CAST IRON-DUCTILE
     FERRITIC & FERRITIC-PEARLITIC 		GRADES 60-40-18, 65-45-12, 80-55-06,
D4018, D4512, D5506 		140-270 DISCONTINUOUS
TIGHTLY CURLED 		DRILL 150-225 200-250 .002 - .004 .004 .006 .005 .008 .006 .010 .007 .012 .008 .014 .010 .016 - .018 -
REAM 50-90 70-105 .004 - .005 .007 .008 .010 .010 .012 .012 .015 .014 .017 .017 .022 .020 .024 .023 .027
CAST IRON-DUCTILE
     MARTENSITIC & PEARLITIC-MARTENSITIC 		GRADES 100-70-03, 120-90-02,
D7003, DQ&T 		270-400 DISCONTINUOUS
TIGHTLY CURLED 		DRILL - 200-250 - - - .004 - .005 - .006 - .007 - .008 - .010 - - - -
REAM 35-60 50-85 .004 - .006 .008 .007 .009 .008 .010 .009 .011 .010 .013 .012 .014 .014 .017 .016 .019
CAST IRON-GRAY
     FERRITIC & FERRITIC-PEARLITIC 		CLASSES 20, 25, 30, 35, 40
GRADES G1800, G2500, G3000 		120-220 DISCONTINUOUS DRILL 175-300 240-400 .002 - .005 .004 .007 .006 .009 .008 .010 .010 .014 .012 .017 .015 .018 - .019 -
REAM 65-135 95-190 .005 - .008 .010 .010 .013 .011 .014 .013 .017 .016 .020 .020 .024 .022 .028 .025 .030
CAST IRON-GRAY
     PEARLITIC 		CLASSES 45, 50, 55, 60
GRADES G3500, G4000 		220-320 DISCONTINUOUS DRILL 130-225 225-325 .002 - .004 .004 .006 .006 .007 .008 .009 .010 .010 .012 .013 .015 .016 - .018 -
REAM 45-70 55-100 .004 - .006 .008 .008 .010 .009 .012 .010 .014 .012 .015 .014 .018 .018 .020 .020 .026
CAST IRON-MALLEABLE
     FERRITIC & PEARLITIC 		GRADES 32510, 35018, 40010, 45008
GRADES M3210, M4504, M5003 		110-240 DISCONTINUOUS DRILL 125-190 200-250 .002 - .005 .004 .008 .006 .009 .008 .010 .008 .011 .008 .012 .010 .014 - .016 -
REAM 60-120 70-105 .004 - .006 .007 .010 .012 .011 .014 .012 .014 .013 .014 .014 .017 .016 .020 .018 .022
CAST IRON-MALLEABLE
     TEMPERED MARTENSITE 		GRADES 60004, 70003, 80002
GRADES M5003, M8501 		200-320 DISCONTINUOUS DRILL 100-150 200-250 .002 - .004 .004 .006 .005 .007 .006 .008 .007 .010 .008 .012 .010 .014 - .016 -
REAM 45-70 65-100 .004 - .006 .008 .008 .010 .010 .012 .012 .014 .013 .015 .015 .020 .018 .023 .025 .030
CHIP CLASS MATERIAL BEING MACHINED MATERIAL EXAMPLES BRINELL HARDNESS CHIP DESCRIPTION TOOL APPLICATION CUTTING SPEED (SFM)
STARTING RANGE* 		FEED RATE (INCHES PER REVOLUTION)
HOLE DIAMETER IN INCHES
GENERAL PURPOSE
G.P.		 COOLANT FED
C.F.		 1/8 1/4 3/8 1/2 5/8 3/4 1 1 1/4 1 1/2
G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F.
80 STEEL-LOW & MEDIUM STRENGTH
     FREE MACHINING 		1108-1119, 1132-1151, 10LI 7, 10L18,
10L5O, 11L44, 12Ll3, 12L14, 12L15 		100-250 DISCONTINUOUS
LOOSELY CURLED 		DRILL 125-175 150-250 .003 - .004 .005 .008 .006 .010 .008 .012 .009 .014 .010 .017 .012 .018 - .019 -
REAM 70-100 100-150 .005 - .008 .012 .010 .014 .012 .016 .014 .018 .015 .020 .020 .025 .025 .030 .030 .035
STEEL-LOW & MEDIUM STRENGTH
     WROUGHT 		1005-1029, 1030-1050,
1513, 1518, 1524, 1552 		100-375 CONTINUOUS STRINGY DRILL - - - - - - - - - - - - - - - - - - - -
REAM 30-85 40-110 .004 - .008 .009 .009 .011 .011 .013 .013 .015 .015 .017 .018 .022 .020 .024 .022 .026
CHIP CLASS MATERIAL BEING MACHINED MATERIAL EXAMPLES BRINELL HARDNESS CHIP DESCRIPTION TOOL APPLICATION CUTTING SPEED (SFM)
STARTING RANGE* 		FEED RATE (INCHES PER REVOLUTION)
HOLE DIAMETER IN INCHES
GENERAL PURPOSE
G.P.		 COOLANT FED
C.F.		 1/8 1/4 3/8 1/2 5/8 3/4 1 1 1/4 1 1/2
G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F.
100 ALLOY STEEL-LOW & MEDIUM STRENGTH
     FREE MACHINING 		41L30, 41L40, 41L50, 86L20,
4142Se, 4145Te 		100-275 DISCONTINUOUS
TIGHTLY CURLED 		DRILL - 100-220 - - - .005 - .006 - .007 - .008 - .010 - .012 - - - -
REAM 65-100 90-135 .005 - .008 .010 .010 .012 .015 .018 .017 .020 .018 .022 .022 .025 .025 .027 .027 .030
ALLOY STEEL-LOW & MEDIUM STRENGTH 1330, 1345, 1515, 4012, 4130, 4140, 4150, 4320,
4340, 4620, 5130, 8620, 8630, 8645, 9310 		85-375 LOOSELY CURLED DRILL - 100-150 - - - .005 - .006 - .007 - .008 - .010 - .012 - - - -
REAM 40-85 65-100 .005 - .010 .012 .012 .015 .015 .018 .018 .022 .020 .024 .025 .028 .027 .030 .030 .033
STAINLESS STEEL 400 SERIES 409, 410, 414, 420,
430, 436, 442, 446 		135-325 DISCONTINUOUS
TIGHTLY CURLED 		DRILL - 110-150 - - - .004 - .005 - .006 - .007 - .008 - .010 - - - -
REAM 40-90 50-100 .003 - .005 .007 .006 .007 .007 .008 .008 .009 .008 .009 .010 .012 .011 .014 .012 .015
STAINLESS STEEL
     FREE MACHINING 		203 EZ, 303, 303MA, 303Pb, 303 PLUS X,
303Se, 416, 416Se, 420F, 430F, 440F 		135-275 SHORT TIGHTLY CURLED DRILL 100-150 125-190 .002 - .004 .004 .005 .005 .006 .006 .007 .007 .008 .007 .010 .008 .012 - .014 -
REAM 65-100 90-135 .004 - .006 .008 .007 .009 .008 .010 .009 .011 .009 .012 .010 .013 .011 .013 .012 .014
CHIP CLASS MATERIAL BEING MACHINED MATERIAL EXAMPLES BRINELL HARDNESS CHIP DESCRIPTION TOOL APPLICATION CUTTING SPEED (SFM)
STARTING RANGE* 		FEED RATE (INCHES PER REVOLUTION)
HOLE DIAMETER IN INCHES
GENERAL PURPOSE
G.P.		 COOLANT FED
C.F.		 1/8 1/4 3/8 1/2 5/8 3/4 1 1 1/4 1 1/2
G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F.
120 ALLOY STEEL - HIGH STRENGTH, MARAGING
STEEL, NITRIDING STEEL, TOOL STEEL 		50100, 51100, 52100, GRADES 200-350, Nitralloy,
SERIES A2, D2, H13, M50, P20, S7, W1 		175-400 CONTINUOUS WIRY DRILL - 100-150 - - - .004 - .006 - .007 - .008 - .010 - .012 - - - -
REAM 35-70 50-100 .004 - .006 .007 .007 .008 .008 .009 .009 .011 .010 .012 .011 .014 .012 .015 .013 .016
CHIP CLASS MATERIAL BEING MACHINED MATERIAL EXAMPLES BRINELL HARDNESS CHIP DESCRIPTION TOOL APPLICATION CUTTING SPEED (SFM)
STARTING RANGE* 		FEED RATE (INCHES PER REVOLUTION)
HOLE DIAMETER IN INCHES
GENERAL PURPOSE
G.P.		 COOLANT FED
C.F.		 1/8 1/4 3/8 1/2 5/8 3/4 1 1 1/4 1 1/2
G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F. G.P. C.F.
140 HIGH TEMP ALLOY
     NICKEL & IRON 		A-286; Hastelloy C; Inconel 600, 625, 718, 825;
Monel 400; Nimonic 75, 80; Rene 41; Waspaloy 		140-300 CONTINUOUS WIRY DRILL - 60-115 - - - .002 - .003 - .004 - .005 - .006 - .007 - - - -
REAM 15-85 20-115 .003 - .005 .006 .005 .007 .005 .007 .006 .008 .007 .008 .008 .010 .010 .012 .012 .015
STAINLESS STEEL 300 SERIES 301, 302, 304, 309, 314, 316, 321, 330, 347, 385,
Nitronic 32, 33, 40, 50, 60 		135-375 WIRY LOOSELY CURLED DRILL - 70-105 - - - .003 - .004 - .005 - .006 - .007 - .008 - - - -
REAM 40-75 60-90 .003 - .004 .006 .005 .007 .006 .008 .006 .008 .007 .009 .008 .010 .009 .011 .010 .012
STAINLESS STEEL PH SERIES 13-8 Mo, 15-5PH, 16-6PH, 17-4PH,
17-7PH, AM-350, AM-335 		150-440 WIRY LOOSELY CURLED DRILL - 65-100 - - - .002 - .003 - .004 - .005 - .006 - .007 - - - -
REAM 35-70 50-90 .003 - .004 .006 .004 .006 .005 .007 .006 .008 .007 .009 .008 .010 .009 .012 .010 .014
TITANIUM ALLOY 98.9, 99.0, 99.2, 99.5, Ti-6Al-4V,
Ti-6Al-6V2Sn, Ti-8Mn, Ti-10v-2Fe-3Al 		110-380 CONTINUOUS WIRY DRILL - 65-100 - - - .002 - .003 - .004 - .005 - .006 - .007 - - - -
REAM 30-45 40-60 .004 - .006 .008 .008 .010 .010 .013 .011 .014 .011 .014 .012 .016 .013 .016 .014 .018
*Use low end of speed range for high end of hardness range.

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Source: https://www.hannibalcarbide.com/technical-support/feeds-and-speeds.php

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