Application Guide

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Drills - Technical Info
Drills
- Tech Info
Cobalt & HSS Drills Speeds & Feeds
Material Grades
SFM
Tool Diameter (IPR)
<=1/8 1/4 3/8 1/2 3/4 1 1-1/2+
HSS HSS-HD Cobalt (.1250) (.2500) (.3750) (.5000) (.7500) (1.000) (1.500)+
P - Steels
High Strength Tool Steel A2, D2, P20, H11, H13, S2, 01 30-65 33-75 33-75 .0007-.0020 .0030-.0040 .0040-.0065 .0060-.0070 .0065-.0075 .0070-.0080 .0075-.0085
Low Carbon
A36, 12L14, 12L15, 1005, 1018,
1020, 1108-1119, 1213-1215,
1513-1518, 4012, 5015, 9310
95 95 95 .0009-.0050 .0060-.0070 .0090-.0100 .0100-.0110 .0110-.0120 .0120-.0130 .0130-.0140
Medium Carbon
1040-1095, 1140-1151, 1330-
1345, 1520-1572, 4023-4063,
4120-4161, 4330-4340, 4620-
4640, 8620-8660, 8740-8750,
6150, 51000, 52100
115 115 115 .0009-.0050 .0060-.0070 .0090-.0120 .0110-.0120 .0110-.0130 .0120-.0140 .0130-.0150
M - Stainless Steels
Austenitic 301-304L, 310, 316L, 321, 347 26 36 36 .0010-.0030 .0035-.0050 .0050-.0075 .0080-.0090 .0009-.0100 .0100-.0110 .0110-.0120
Martensitic 403, 410, 416, 420, 430, 431, 440 50 70 72 .0010-.0024 .0025-.0037 .0040-.0055 .0050-.0060 .0060-.0070 .0070-.0080 .0080-.0090
Precipitation Hardening
12/8, 15/5, 17/4, AM-350/355/
363, PH13-8MO, PH14-8/MO
20 30 30 .0020-.0030 .0030-.0040 .0040-.0050 .0050-.0060 .0060-.0070 .0070-.0080 .0080-.0090
K - Cast Irons
Ductile A536, J434, 60-40-18 45 55 55 .0007-.0025 .0025-.0035 .0040-.0060 .0060-.0070 .0065-.0075 .0070-.0080 .0075-.0085
Gray A48, A436, A319, Class 20, G4000 80-100 90-115 90-115 .0006-.0030 .0030-.0060 .0040-.0090 .0070-.0100 .0080-.0120 .0009-.0130 .0100-.0140
Malleable A220, A602, J158 80-100 90-115 90-115 .0006-.0030 .0030-.0060 .0040-.0090 .0070-.0100 .0080-.0120 .0009-.0130 .0100-.0140
N - Non-Ferrous
Aluminum Alloys 2014, 2024, 6061, 7075 90-98 95-100 95-100 .0007-.0050 .0004-.0080 .0060-.0110 .0080-.0120 .0090-.0130 .0120-.0140 .0130-.0150
High Silicon A380, A390 60-80 80-95 80-95 .0007-.0050 .0004-.0080 .0060-.0110 .0080-.0120 .0090-.0130 .0120-.0140 .0130-.0150
Brass/Bronze
Aluminum Bronze, Low Silicon
Bronze
90-115 90-130 90-130 .0008-.0040 .0035-.0070 .0050-.0075 .0075-.0090 .0080-.0100 .0090-.0110 .0100-.0120
Composites
G-10, Fiberglass, Graphite, Graph-
ite Epoxy, Plastics
100-
125
125-175
125-
175
.0040-.0060 .0030-.0050 .0040-.0060 .0050-.0070 .0060-.0080 .0070-.0090 .0080-.0100
Copper 108 125 125 .0010-.0035 .0038-.0065 .0070-.0090 .0080-.0110 .0100-.0120 .0110-.0130 .0110-.0130
Magnesium 90-115 90-130 90-130 .0008-.0040 .0035-.0070 .0050-.0075 .0075-.0090 .0100-.0120 .0110-.0130 .0110-.0130
S - High Temp Alloys
Cobalt Base
Stellite, HS-21, Haynes 25/188,
X40, L605
N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Iron Base
Incoloy 800-802, Multmet N-155,
Timkin 16-25-6, Carpenter 22-b3
N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Nickel Base
Inconel 625/718, Inco 700, 713C,
718, Monel 400-401, 404, K401,
Rene, Rene 41 & 95 Hastelloy,
Waspoloy, Udimet 500 & 700
10-20 20-23 20-23 .0004-.0013 .0013-.0020 .0020-.0030 .0030-.0035 .0003-.0040 .0035-.0045 .0040-.0050
Titanium
Commercially Pure, 6Al-4V, ASTM
1/2/3, 6Al-25N-4Zr-2Mo-Si, Ti-
8Al-1Mo, Ti-8Al-4Mo
20-75 35-90 35-90 .0006-.0025 .0020-.0040 .0030-.0055 .0040-.0060 .0045-.0065 .0005-.0070 .0006-.0065
NOTE: Speeds and Feeds listed are estimated and will vary by application. These tools can be found on pages 293-317.
High Speed Steel Drills Feed Rate
Per Revolution Based on Cut
Drill Size Light Medium Heavy
1/16"-1/8" .0005-.0010 .0010-.0020 .0020-.0030
1/8"-1/4" .0010-.0030 .0030-.0050 .0050-.0070
1/4"-1/2" .0030-.0050 .0050-.0070 .0070-.0090
1/2"-3/4" .0050-.0080 .0080-.0110 .0110-.0140
3/4"-1" .0080-.0110 .0110-.0140 .0140-.0170
>1" .0120-.0150 .0150-.0200 .0200-.0250
Cobalt Drills Feed Rate
Per Revolution Based on Cut
Drill Size
Cobalt AlTiN Coated Cobalt
Light Medium Heavy Light Medium Heavy
1/16"-1/8" .0006-.0011 .0011-.0022 .0022-.0033 .0007-.0013 .0013-.0026 .0026-.0040
1/8"-1/4" .0011-.0033 .0033-.0055 .0055-.0077 .0013-.0040 .0040-.0066 .0066-.0092
1/4"-1/2" .0033-.0055 .0055-.0077 .0077-.0099 .0040-.0066 .0066-.0092 .0092-.0119
1/2"-3/4" .0055-.0088 .0088-.0121 .0121-.0154 .0066-.0106 .0106-.0145 .0145-.0185
3/4"-1" .0088-.0121 .0121-.0154 .0154-.0187 .0106-.0145 .0145-.0185 .0185-.0224
>1" .0132-.0165 .0165-.0220 .0220-.0275 .0158-.0198 .0198-.0264 .0264-.0330