|
|
Drill Diameter
|
| Workpiece Material Group
|
ISO
|
Hardness
|
SFM
|
IPR
|
|
|
|
|
|
|
|
|
|
|
1/32
|
1/16
|
1/8
|
¼
|
3/8
|
½
|
| Free Machining & Low Carbon Steels 1006, 1008, 1015, 1018, 1020, 1022, 1025, 1117, 1140, 1141, 11L08, 11L14, 1213, 12L13, 12L14, 1215, 1330
|
P
|
up to 28 Rc
|
175
|
0.0005
|
0.001
|
0.0015
|
0.003
|
0.004
|
0.005
|
| Medium Carbon & High Carbon Steels, Alloy Steels & Easy to Machine Tool Steels 1030, 1035, 1040, 1045, 1050, 1052, 1055, 1060, 1085, 1095, 1541, 1551, 9255, 2515, 3135, 3415, 4130, 4137, 4140, 4150, 4320, 4340, 4520, 5015, 5115, 5120, 5132, 5140, 5155, 6150, 8620, 9262, 9840, 52100, O1, O2, O6, S2, W1 to W310
|
P
|
28 to 38 Rc
|
165
|
0.0005
|
0.001
|
0.0015
|
0.003
|
0.004
|
0.005
|
| Tool Steels & Die Steels O7, M1, M2, M3, M4, M7, T1, T2, T4, T5, T8, T15, A2, A3, A6, A7, H10, H11, H12, H13, H19, H21, L3, L6, L7, P2, P20, S1, S5, S7, 52100, A128, D2, D3, D4, D5, D7
|
P
|
28 to 44 Rc
|
150
|
0.0005
|
0.001
|
0.0015
|
0.003
|
0.004
|
0.005
|
| Hardened Steels A2 / 52100
|
H
|
35 to 45 Rc
|
50
|
0.0005
|
0.001
|
0.0015
|
0.003
|
0.004
|
0.005
|
| Stainless Steel - Austenitic 304 / 316
|
M
|
up to 28 Rc
|
125
|
0.0005
|
0.001
|
0.0015
|
0.003
|
0.004
|
0.005
|
| Stainless Steel - Moderately Difficult 301, 302, 303 High Tensile, 304, 304L, 305, 420, 15-5PH, 17-4PH, 17-7PH
|
M
|
Over 28 Rc
|
60
|
0.0005
|
0.001
|
0.0015
|
0.003
|
0.004
|
0.005
|
| Cast Iron - Gray CG, ASTM A48, CLASS 20, 25, 30, 35, SAE J431C, GRADES G1800, G3000, G3500, GG 10, 15, 20, 25, 30, 35, 40
|
K
|
up to 240 HB
|
275
|
0.0005
|
0.001
|
0.0015
|
0.003
|
0.004
|
0.005
|
| Cast Iron Ductile & Malleable CGI 60-40-18, 65-45-12, D4018, D4512, D5506, 32510, 35108, M3210, M4504, M5503, 250, 300, 350, 400, 450
|
K
|
over 240 HB
|
175
|
0.0005
|
0.001
|
0.0015
|
0.003
|
0.004
|
0.005
|
| Titanium 6Al-4V
|
S
|
up to 42 Rc
|
80
|
0.0005
|
0.0010
|
0.0015
|
0.003
|
0.004
|
0.005
|
| High Temp Alloys Inconel / Hastelloy / Waspeloy / Nickel Based Alloys-Monel
|
S
|
up to 42 Rc
|
40
|
0.0005
|
0.0010
|
0.0015
|
0.003
|
0.004
|
0.005
|
