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.
A30: 132
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