A30-TAS_US-EN

DRILLING | T-A® Replaceable Insert Drilling System

T-A® Recommended Drilling Data | Imperial (inch) HSS Inserts | Flat Bottom Geometry

A

SFM

DRILLING

Hardness (BHN) 100 - 150 150 - 200 200 - 250 85 - 125 125 - 175 175 - 225 225 - 275 125 - 175 175 - 225 225 - 275 275 - 325 125 - 175 175 - 225 225 - 275 275 - 325 325 - 375 225 - 300 300 - 350 350 - 400 100 - 150 150 - 250 250 - 350 150 - 200 200 - 250 140 - 220 220 - 310 140 - 220 220 - 310 185 - 275 275 - 350 185 - 275 275 - 350 135 - 185 185 - 275 135 - 185 185 - 275 300 - 400 400 - 500 120 - 150 150 - 200 200 - 220 220 - 260 260 - 320 400 500 600

HSS Grade

ISO Material

TiN 170 155 140 150 140 130 120 140 130 120 110 130 120 110 105

TiAlN

TiCN

AM200®

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

HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS SC

250 230 210 220 210 195 185 210 195 185 175 185 175 155 145 135

230 205 185 195 185 175 155 185 175 155 150 175 155 145 135 125

290 265 245 255 245 225 215 245 225 215 205 215 205 180 170 155 110 195 170 140 110 90 75

Low-Carbon Steel

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

B

Medium-Carbon Steel

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

BORING

Alloy Steel

P

4140, 5140, 8640, etc.

SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC

95 70 50 45 85 70 50 25 20 35 26 65 50 65 50 65 50 65 50

High-Strength Alloy

95 75 65

85 70 60

C

4340, 4330V, 300M, etc.

Structural Steel

HSS HSS

120 105

170 145 120

155 135 110

A36, A285, A516, etc.

REAMING

Tool Steel

95 80 35 30 45 40 90 80 90 80 90 80 90 80

90 75 30 25 40 35 85 70 85 70 85 70 85 70

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

95

High-Temp Alloy

40 35 50 45

Hastelloy B, Inconel 600, etc.

Titanium Alloy

S

Aerospace Alloy

110

D

S82

90

Stainless Steel 400 Series

110

BURNISHING

416, 420, etc.

90

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

110

M

90

110

90

Wear Plate

- - -

- - -

- - -

- - -

Hardox®, AR400, T-1, etc.

H

N/A

Hardened Steel

45 25

65 40

60 35

80 45

E

Nodular, Grey, Ductile Cast Iron

HSS HSS HSS

150 130 110

220 195 175 150 120 750 400 750 400 190 150 220 150

195 175 150 125 105 650 350 650 350 175 125 190 130

255 225 205 175 140

THREADING

K

SC SC

95 80

Cast Aluminum

30

HSS HSS HSS HSS

520 260 520 260 130 150 115 95

- -

180

Wrought Aluminum

30

850 450 230 165 250 170

180

N

Aluminum Bronze

100 - 200 200 - 250

SC SC

X

Brass

100

HSS

Copper

60

SC

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.

A30: 120

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