AMPC_US-EN

DRILLING | T-A® Replaceable Insert Drilling System

T-A® Recommended Drilling Data | Metric (mm)

A

HSS Inserts

M/min

Feed Rate (mm/rev) by Diameter

DRILLING

Hardness (BHN) 100 - 150 150 - 200 200 - 250 85 - 125 125 - 175 175 - 225 225 - 275 125 - 175 175 - 225 225 - 275 125 - 175 175 - 225 225 - 275

HSS Grade

9.50 mm - 12.95 mm

12.98 mm - 17.52 mm

ISO Material

TiN

TiAlN

TiCN

Free-Machining Steel 1118, 1215, 12L14, etc.

HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS

61 55 49 52 49 46 43 49 46 43 40 46 43 40 37 34 24 18 15 43 37 30 24 18 23 18 23 18 23 18 18 15 14 11 15 11 52 46 40 34 27 - 9 8 11 9

85 79 73 76 73 69 64 73 69 64 59 64 59 55 52 47 34 26 21 61 52 43 34 27 12 11 15 14 32 27 32 27 32 27 24 20 21 14 29 14 76 69 59 50 41 -

79 72 64 67 64 59 55 64 59 55 52 59 55 52 47 44 30 24 20 55 47 40 32 26 14 11 29 24 29 24 29 24 21 18 17 12 21 12 67 59 52 44 37 - 11 9

0.18 0.18 0.15

0.25 0.25 0.25 0.23 0.23 0.20 0.20 0.23 0.20 0.20 0.18 0.20 0.20 0.18 0.15 0.15 0.18 0.18 0.15 0.25 0.23 0.20 0.15 0.15 0.18 0.15 0.18 0.15 0.20 0.18 0.20 0.18 0.18 0.15 0.18 0.15 0.15 0.13 0.15 0.13 0.30 0.28 0.23 0.18 0.15 0.33 0.33 0.15 0.33 0.28 0.18 0.30 0.08 -

Low-Carbon Steel

0.15 0.15 0.13 0.13

1010, 1020, 1025, 1522, 1144, etc.

B

Medium-Carbon Steel

0.15 0.13 0.13 0.10 0.15 0.13 0.13 0.10 0.08

BORING

1030, 1040, 1050, 1527, 1140, 1151, etc.

275 - 325 SC, PC

Alloy Steel

P

4140, 5140, 8640, etc.

275 - 325 SC, PC 325 - 375 SC, PC 225 - 300 SC, PC 300 - 350 SC, PC

High-Strength Alloy

0.13 0.10 0.08 0.15 0.13 0.10 0.08 0.08 0.08 0.08 0.15 0.13 0.15 0.13 0.08 0.08 0.08 0.08 0.08 0.05 0.08 0.05 -

C

4340, 4330V, 300M, etc.

350 - 400 100 - 150 150 - 250

PC

Structural Steel

HSS HSS

A36, A285, A516, etc.

REAMING

250 - 350 SC, PC

Tool Steel

150 - 200

SC

0.10 0.10

H-13, H-21, A-4, 0-2, S-3, etc.

200 - 250 SC, PC

High-Temp Alloy

140 - 220 SC, PC

Hastelloy B, Inconel 600, etc.

220 - 310

PC

Titanium Alloy

140 - 220 SC, PC

S

220 - 310

PC

Aerospace Alloy

185 - 275 SC, PC 275 - 350 SC, PC 185 - 275 SC, PC 275 - 350 SC, PC 135 - 185 SC, PC 185 - 275 SC, PC 135 - 185 SC, PC 185 - 275 SC, PC

D

S82

Stainless Steel 400 Series

BURNISHING

416, 420, etc.

Stainless Steel 300 Series 304, 316, 17-4PH, etc. Super Duplex Stainless Steel

M

Wear Plate

400 500 600

SC, PC

Hardox®, AR400, T-1, etc.

PC

H

N/A

Hardened Steel

300 - 400 400 - 500 120 - 150 150 - 200 200 - 220

PC PC

E

Nodular, Grey, Ductile Cast Iron

HSS HSS HSS

0.18 0.15 0.15 0.13 0.10 0.20 0.20 0.10 0.20 0.15 0.13 0.18

THREADING

K

220 - 260 SC, PC 260 - 320 SC, PC

Cast Aluminum

30

HSS HSS HSS HSS

183

259 137 259 137

229 122 229 122

180

91

Wrought Aluminum

30

183

180

91 52 40 91 40

N

Aluminum Bronze

100 - 200 200 - 250

SC SC

76 58

67 52

X

Brass

100

HSS

136

122

Copper

60

SC

50

46

0.05

Contact our Application Engineering department for assistance when machining these materials

SPECIALS

IMPORTANT: The speeds and feeds listed above are a general starting point for all applications. Refer to the Coolant Recommendation charts for coolant requirements to run at the recommended speeds and feeds. Factory technical assistance is available through our Application Engineering department. See adjustment examples on the following page.

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