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OBJ_BUCH-241-002.book Page 10 Thursday, December 14, 2006 8:52 AM
Reference Values for Maximum Screw/Bolt Tightening Torques
Calculated from the tensional cross-section; utilization 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 according to
DIN 267
M 6
M 8
M 10
M 12
Tips
Before screwing larger, longer screws into hard mate-
rials, it is advisable to predrill a pilot hole with the core
diameter of the thread to approx.
length.
Soft Grip
The gripping surface (soft grip) 5 reduces the danger
of slipping and thereby improves the grip on the
machine and the handling.
At the same time, the rubber coating achieves a vibra-
tion-reducing effect.
Maintenance and Service
Maintenance and Cleaning
Before any work on the power tool (e. g.,
maintenance, tool change, etc.) as well as
during transport and storage, set the rota-
tional direction switch to the center position.
Unintentional actuation of the On/Off switch can
lead to injuries.
For safe and proper working, always keep the
power tool and the ventilation slots clean.
When the battery is no longer operative, please refer to
an authorized after-sales service agent for Bosch
power tools.
If the power tool should fail despite the care taken in
manufacturing and testing procedures, repair should
be carried out by an after-sales service center for
Bosch power tools.
In all correspondence and spare parts orders, please
always include the 10-digit article number given on the
type plate of the power tool.
10 | English
Standard Screws/Bolts
3.6
4.6
5.6
4.8
2.71 3.61 4.52 4.8
6.57 8.7
11
11.6 13.1 14.6 17.5 19.7 23
13
17.5 22
23
22.6 30
37.6 40
Service and Customer Assistance
Exploded views and information on spare parts can be
2
/
of the screw
found under:
3
www.bosch-pt.com
In case of a claim, repair or purchase of replacement
parts or in case of queries or other problems, please
contact your local dealer or Bosch representative.
People's Republic of China
Website: www.bosch-pt.com.cn
China Mainland
Bosch Power Tools (China) Co., Ltd.
567, Bin Kang Road
Bin Jiang District 310052
Hangzhou, P.R.China
Service Hotline: . . . . . . . . . . . . . . . . . . 800 8 20 84 84
✆ . . . . . . . . . . . . . . . . . . . . . . . . +86 571 87 77 43 38
Fax . . . . . . . . . . . . . . . . . . . . . . . . +86 571 87 77 45 02
HK and Macau Special Administrative Regions
Melchers (H.K.) Ltd, Room 1210
Shun Tak Centre, West-Tower
168 – 200 Connaught Road, Central Hong Kong
Customer Service Hotline: . . . . . . .+852 25 89 15 61
Fax . . . . . . . . . . . . . . . . . . . . . . . . . . . +852 25 48 79 14
E-Mail: bosch@melchers.com.hk
Indonesia
P. T. Multi Tehaka
Karang Anyar Permai Block B-24
Jl. Karang Anyar No. 55
Jakarta Pusat 10740
Indonesia
✆ . . . . . . . . . . . . . . . . . . . +62 21 6 59 52 22 (5 lines)
Fax . . . . . . . . . . . . . . . . . . . . . . . +62 21 6 59 52 52 – 3
sales@bosch.co.id
www.bosch.co.id
High-strength
Bolts
6.6
5.8
6.8
6.9
8.8
5.42 6.02 7.22 8.13 9.7
26
29
35
39
47
45
50
60
67
80
10.9 12.9
13.6 16.2
33
39
65
78
113
135
2 609 140 432 • 14.12.06
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