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Indexable Drills
Feed Force Requirement
„ 
Feed Force Requirement
Steel 4140
10
9
[kN]
8
7
f = 0.25
6
f = 0.20
5
4
3
f = 0.16
2
f = 0.12
1
0
12
16
20
24
28
32
36
40
44
48
52
56
60
64
68
Drill Diameter D1 (mm)
Stainless Steel 304
10
f = 0.20
9
8
f = 0.18
7
6
f = 0.15
5
4
f = 0.12
3
2
1
0
12
16
20
24
28
32
36
40
44
48
52
56
60
64
68
Drill Diameter D1 (mm)
Cast Iron GG25
10
9
7
6
f = 0.25
5
4
f = 0.20
3
f = 0.16
2
f = 0.12
1
0
12
16
20
24
28
32
36
40
44
48
52
56
60
64
68
Drill Diameter D1 (mm)
V38
widia.com
8