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responds with the maximum reachable torque, and the
steepness indicates the duration in which this is achieved.
A torque gradient depends on the following factors:
– Strength properties of the screws/nuts
– Type of backing (washer, disc spring, seal)
– Strength properties of the material being screwed/bolted
together
– Lubrication conditions at the screw/bolt connection
The following application cases result accordingly:
– A hard joint is a metal-to-metal screw application which
uses washers. After a relatively short impact duration, the
maximum torque is reached (steep characteristic curve).
Guide values for maximum screw tightening torques
Figures given in Nm; calculated from the tensional cross-section; utilisation of the yield point: 90% (with friction coefficient
µ
= 0.12). As a control measure, always check the tightening torque with a torque wrench.
total
Property classes
Standard screws
according to DIN
3.6
4.6
267
M8
6.57
8.7
M10
13
17.5
M12
22.6
30
M14
36
48
M16
55
73
M18
75
101
Tips
Before screwing larger, longer screws into hard materials, it
is advisable to pre-drill a pilot hole with the core diameter of
the thread to approx. 2/3 of the screw length.
Note: Ensure that no metal particles enter the power tool.
After working at a low speed for an extended period, you
should operate the power tool at the maximum speed for ap-
proximately three minutes without load to cool it down.
Connectivity functions
System Requirements for Using the App
System Requirements
Mobile device (tablet,
smartphone)
Installing and Setting up the App
You will need to install the device-specific app before you
can use the connectivity functions.
– Download the app from the corresponding app store
(Apple App Store, Google Play Store).
Note: You will need to have a user account with the relev-
ant app store to do this.
App name
BeConnected
PRO360
Bosch Power Tools
– A spring-loaded joint is also a metal-to-metal screw ap-
– A soft joint is a screw application of e.g. metal on wood
For a spring-loaded joint as well as for a soft joint, the max-
imum tightening torque is lower than for a hard joint. Also, a
clearly longer impact duration is required.
5.6
4.8
6.6
11
11.6
13.1
22
23
26
37.6
40
45
60
65
72
92
98
110
126
135
151
– The display of your mobile device shows you all of the
Functions in Conjunction with the Power Tool
In conjunction with the NFC module, the following connectiv-
ity functions are available for the power tool:
– Registration and personalisation
– Status check, output of warning and error messages
– General information and settings
– Management
– Locking the user interface
– Setting the working modes
Android 6.0 (and newer)
You can find further information in the Help menu in the app.
iOS 11 (and newer)
Maintenance and Service
Maintenance and Cleaning
u
u
iOS/Android
u
Unnecessary long impact duration only causes damage to
the machine.
plication but uses spring washers, disc springs, studs or
screws/nuts with conical joints. It is also called a spring-
loaded joint when extensions are used.
or a screw application that uses lead washers or fibre
washers as backing.
High-strength screws
5.8
6.8
6.9
8.8
14.6
17.5
19.7
23
29
35
39
47
50
60
67
80
79
95
107
130
122
147
165
196
168
202
227
270
subsequent steps required to connect the power tool to
the mobile device.
Clean the air vents on your power tool regularly. The
motor's fan will draw the dust inside the housing and ex-
cessive accumulation of powdered metal may cause elec-
trical hazards.
Before carrying out any work on the power tool (e.g.
maintenance, tool change etc.), remove the battery
from the power tool. There is risk of injury from uninten-
tionally pressing the on/off switch.
To ensure safe and efficient operation, always keep
the power tool and the ventilation slots clean.
1 609 92A 9DB | (13.08.2024)
English | 23
10.9
12.9
33
39
65
78
113
135
180
215
275
330
380
450
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