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Selection Guide For Drills - Bosch 1375-01 Catalogue

High-frequency power tools for industry
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SELECTION GUIDE FOR DRILLS.

Selection of the right drill depends
mainly on the following two points:
Cutting speed [m/min]:
drill bit diameter and
the recommended cutting speed
of the material to be processed.
In the table, the preferred bit sizes
are assigned to the individual drill
types for some common materials.
The table shows the drill bit sizes
with which the individual types are
able to reach the recommended
cutting speeds. However, the feed
of hand-held tools cannot be incre-
ased arbitrarily with increasing bit
diameter, since the necessary feed
force can no longer be applied. For
this reason, the maximum bit dia-
meters for steel and aluminium
are allocated to the individual types
on page 6. These maximum diame-
ters were determined by tests, un-
like the information in the table. In
order to achieve a sufficient cutting
speed with normal hand pressure,
some materials should be predrilled
for the following bit diameters:
steel up to 600 N/mm
2
as of 8 mm
steel up to 600 N/mm
2
as of 6 mm
cast iron up to 180 N/mm
2
as of
10 mm
cast iron up to 300 N/mm
2
as of
8 mm
Note: If only one bit diameter is
specified in the table, it refers to
the lower limit of the recommen-
ded cutting speed. If nothing is
specified, the recommended bit
diameter is outside the clamping
range of the standard chuck.
6
0 602 120 101 / ...104 / ...107
2450
200
0 602 120 104
3700
300
0 602 121 101 /...104 / ...107
1350
200
0 602 121 104
2000
300
0 602 131 101 / ...104 / ...107
1350
200
0 602 131 104
2050
300
0 602 133 101 / ...104
690
200
0 602 133 107
1000
200
0 602 133 104
1030
300
0 602 134 101
3300
200
0 602 135 001 / ...004
1600
200
2400
200
0 602 135 101 / ...104
900
200
1500
200
0 602 135 104
1500
300
2200
300
0 602 117 001 / ...004 / ...008
510
200
0 602 117 004
760
300
0 602 119 001 / ...004 / ...008
216
200
512
200
0 602 119 004
328
300
775
300
20 to 25
15 to 20
20 to 30
Drill diameter (mm)
2 4 6 8 10 12 14 1618 20 2224
2 4 6 8 10 12 1416 18 20 2224 2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 1618 20 22 24
2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 22 24
2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 22 24
1. gear
2. gear
1. gear
2. gear
1. gear
2. gear
2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 22 24
2 4 6 8 10 12 14 1618 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 2224 2 4 6 8 10 12 14 16 18 20 22 24
1. gear
2. gear
1. gear
2. gear
10 to 20
50 to 60
30 to 40
80 to 120
7

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