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High Performance Solid Carbide Drills
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printer friendly version
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Type of Drill
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Coolant Short
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Coolant Standard
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Coolant Long
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Solid Short
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Solid Short
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Solid Standard
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Solid Standard
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3-Flute Short
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3-Flute Standard
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HOW TO USE THIS CHART:
 Select Workpiece Material Group/Type
 Identify Recommended Drill Options
 Establish Surface Feet Per Minute (SFM)
 Click For Available Sizes
 Determine Feed Rate (see below)
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STARTING POINT FOR APPLICATIONS
BASED UPON DRILLING DEPTH
 2X Drill Diameter or Less
 3X Drill Diameter or Less
 4X Drill Diameter or Less
 5X Drill Diameter or Less
 8X Drill Diameter or Less
Note: Contact Precision Twist Drill
Technical Services for applications not listed.
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 Material Group
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BHN
Hardness
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Normal
Chip Form
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Material Type
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 Surface Feet Per Minute
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1. Steel
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1.1
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Magnetic Soft Steel, Leaded Steels
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 120
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Extra Long
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1116, 1118, 1212
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10L18, 12L13, 12L14
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365E
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350E
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330E
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325E
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300E
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325E
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300E
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--
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--
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1.2
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Structural Steel, Case
Carburizing Steel
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200
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Medium/Long
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30, 55
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70, 100
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340E
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325E
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310E
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300E
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275E
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300E
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275E
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--
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--
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1.3
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Plain Carbon Steel Low, Medium Carbon
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250
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Long
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1008, 1010, 1020
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1040, 1055, 1524
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340E
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325E
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310E
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300E
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275E
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300E
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275E
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--
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--
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1.4
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Alloyed Steel, Medium Carbon,
Tool Steel, Wrought
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250
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Long
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4140, 4150, 4340
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A2, 01, D2
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315E
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300E
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285E
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280E
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260E
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280E
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260E
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--
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--
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1.5
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Alloyed Steel, Hardened and
Tempered Steel, Tool Steel
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 250
350
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Long
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01, L6, D3, A2, 4140
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4150, 4340, 8620, 8630
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235E
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225E
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215E
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215E
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200E
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215E
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200E
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--
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--
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1.6
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Alloyed Steel, Hardened and
Tempered Steel, Tool Steel
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350
400
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Long
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01, L6 D3, A2, 4140
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4150, 4340, 8620, 8630
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170D
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165D
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155D
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155E
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150D
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155E
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150D
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125C
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--
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2. Stainless Steel
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2.1
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Free Machining Stainless Steel
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250
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Medium
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303, 416
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430F, 440F
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130C
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125C
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120C
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125C
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125C
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125C
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125C
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--
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--
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2.2
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Austenitic
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250
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Long
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304, 310, 316
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321, Nitronic 50
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105C
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100C
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95C
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100C
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100C
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100C
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100C
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--
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--
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2.3
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Ferritic + Austenitic, Ferritic,
Martensitic
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300
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Long
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409, 430, 436
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304, 440A, 440C
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105C
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100C
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95C
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100C
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100C
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100C
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100C
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--
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--
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2.4
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Precipitation Hardened
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300
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Long
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15-5PH
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Custom 450 17-4PH
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80C
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75C
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70C
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75C
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75C
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75C
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75C
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--
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--
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3. Cast Iron
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3.1
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Soft Gray Cast, Ferritic
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150
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Extra Short
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ASTM A48 Class 20, 40
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G3000
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395G
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360G
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325G
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330G
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300G
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330G
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300G
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250D
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295E
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3.2
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Soft Gray Cast, Pearlitic
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> 150
260
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Extra Short
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ASTM A48 Class 40, 60
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G3500, G4000
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380G
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360G
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345G
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330G
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300G
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330G
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300G
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250D
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245E
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3.3
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Nodular Graphite,
Malleable Cast Iron
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> 150
250
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Medium/Short
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ASTM A220 Grade 40010
SAE J158 Grade M4504
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ASTM A602 Grade M4504
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270F
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260F
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250F
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240F
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215F
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240F
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215F
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180D
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195E
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3.4
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Nodular Graphite,
Malleable Cast Iron
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> 250
320
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Medium/Short
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ASTM A220 Grade 80002
ASTM A602 Grade M8501
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ASTM A220 Grade 90001
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270E
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260E
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250E
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230E
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200E
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230E
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200E
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180D
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195E
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4. Titanium
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4.1
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Titanium, Unalloyed
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200
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Extra Long
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Commercially Pure 99.0
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190C
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165C
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140C
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155C
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150C
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155C
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150C
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--
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100A
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4.2
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Titanium Alloy, Cast
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270
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Medium/Short
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ASTM B367
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Grades C-1 - C-7A
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85C
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75C
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65C
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75C
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75C
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75C
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75C
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--
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--
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4.3
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Titanium Alloys
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> 270
350
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Medium/Short
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T16AL4V
T16AL6V2SN
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--
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--
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--
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--
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--
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--
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--
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--
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80A
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5. Nickel
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5.1
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Nickel, Unalloyed
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150
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Extra Long
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Nickel 200, Nickel 230
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170D
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165D
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160D
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155D
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150D
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155D
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150D
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130C
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--
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5.2
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Nickel Alloys
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> 150
240
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Long
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Nimonic 75
Monel 400
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Hastelloy C
Inconel 600
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--
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--
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--
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--
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--
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--
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--
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110C
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--
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5.3
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Nickel Alloys
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>240
400
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Long
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Nimonic 80
Inconel 718
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Inconel 825
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--
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--
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--
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--
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--
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--
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--
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75C
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--
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6. Copper
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6.1
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Copper Alloys, Wrought
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100Rb
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Extra Long
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101, 130, 170
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630, 725
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--
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--
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--
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--
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--
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--
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--
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--
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625E
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6.2
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Brass, Bronze
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200Rh
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Medium/Short
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ASTM B30
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--
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--
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--
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--
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--
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--
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--
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--
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490E
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6.3
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Brass
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200Rh
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Long
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ASTM B367
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--
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--
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--
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--
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--
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--
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--
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--
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490E
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6.4
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High Strength Bronze
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470Rf
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Short
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Phosphor Bronze
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--
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--
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--
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--
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--
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--
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--
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--
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125A
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7. Aluminum
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7.1
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Al, MG, Unalloyed
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100kg
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Extra Long
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EC, 1060
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1100
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--
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--
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--
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--
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--
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--
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--
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--
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985E
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7.2
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Al Alloys, Si>5%
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150kg
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Medium
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380, 520.0, 520.2
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2024, 6061
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--
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--
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--
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--
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--
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--
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--
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--
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655E
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7.3
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Al Alloys, Si>5% <10% |
120kg
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Medium
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319, 333
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356
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--
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--
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--
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--
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--
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--
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--
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--
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590E
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7.4
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Al, Alloys, Si>10%,
Wisker Reinforced
Al-Alloys, MG Alloys
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120kg
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Short
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390, 392, 4032
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222.1, A332.0
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--
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--
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--
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--
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--
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--
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--
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--
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460E
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APPLICATION MATERIAL GROUPS (AMG) CHART
