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Maximum offset “X“ for off-centre drilling
into full material with fixed applications


Dimensions in mm
D Ø Insert Size Xmax Dmax Ø
14 02 2.0 18.0
15 1.8 18.6
16 1.5 19.0
17 1.2 19.4
18 1.0 20.0
19 03 1.8 22.6
20 1.6 23.2
21 1.3 23.6
22 1.0 24.0
23 0.8 24.6
24 05 2.3 28.6
25 2.2 29.4
26 2.0 30.0
27 1.8 30.6
28 1.6 31.2
29 1.5 32.0
30 06 3.2 36.4
31 37.4
32 38.4
33 3.0 39.0
34 06 2.7 39.4
35 2.5 40.0
36 2.2 40.4
37 1.9 40.8
38 1.6 41.2
39 1.4 41.8
40 1.2 42.4
41 1.0 43.0
42 0.6 43.2
43 0.3 43.6
44 0.0 44.0
45 07 1.9 48.8
46 1.8 49.6
47 1.5 50.0
48 1.4 50.8
49 1.2 51.4
50 1.0 52.0
51 0.7 52.4
52 0.6 53.2
53 0.5 54.0

Attention:
When drilling off-centre the radial
forces are not in equilibrium
(less stable!).

Permissible feeds with Xmax:
f ~ 0.05 - 0.08 mm/rev.

Maximum hole diameter one can drill:   Dmax = D + 2Xmax

e.g. for D = 38, Xmax = 1.6
Dmax = D + 3.2 = 41.2 mm


Coolant pressure for Maxidrill



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