IEC 60745-2-1:2003
(Main)Hand-held motor-operated electric tools - Safety - Part 2-1: Particular requirements for drills and impact drills
Hand-held motor-operated electric tools - Safety - Part 2-1: Particular requirements for drills and impact drills
Deals with the safety of hand-held motor-operated or magnetically driven electric tools, specific requirements for drills and impact drills. The rated voltage being not more than 250 V for single-phase a.c. or d.c., and 440 V for three-phase a.c. tools
Outils électroportatifs à moteur - Sécurité - Partie 2-1: Règles particulières pour perceuses et perceuses à percussion
Traite de la sécurité des outils électriques portatifs à moteur ou à entraînement magnétique, exigences spécifiques pour les perceuses et les perceuses à percussion. La tension assignée n étant pas supérieure à 250 V pour les outils monophasés alimentés en courant alternatif ou pour les outils alimentés en courant continu, et 440 V pour les outils triphasés alimentés en courant alternatif.
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INTERNATIONAL IEC
STANDARD
60745-2-1
Second edition
2003-01
Hand-held motor-operated electric tools –
Safety –
Part 2-1:
Particular requirements for drills and impact drills
Reference number
Publication numbering
As from 1 January 1997 all IEC publications are issued with a designation in the
60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1.
Consolidated editions
The IEC is now publishing consolidated versions of its publications. For example,
edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the
base publication incorporating amendment 1 and the base publication incorporating
amendments 1 and 2.
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thus ensuring that the content reflects current technology. Information relating to
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INTERNATIONAL IEC
STANDARD
60745-2-1
Second edition
2003-01
Hand-held motor-operated electric tools –
Safety –
Part 2-1:
Particular requirements for drills and impact drills
IEC 2003 Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale
M
International Electrotechnical Commission
Международная Электротехническая Комиссия
For price, see current catalogue
– 2 – 60745-2-1 IEC:2003(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS –
SAFETY –
Part 2-1: Particular requirements for drills and impact drills
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization
for Standardization (ISO) in accordance with conditions determined by agreement between the two
organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical specifications, technical reports or guides and they are accepted by the National
Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60745-2-1 has been prepared by subcommittee 61F: Safety of
hand-held, motor-operated electric tools, of IEC technical committee 61: Safety of household
and similar electrical appliances.
This second edition cancels and replaces the first edition published in 1989 and amendment 1
(1992), of which it constitutes a technical revision.
The text of this standard is based on the following documents:
FDIS Report on voting
61F/451/FDIS 61F/471/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
This part 2-1 is to be used in conjunction with the third edition of IEC 60745-1. When this
standard states “addition”, “modification” or “replacement”, the relevant text in part 1 is to be
adapted accordingly.
NOTE in this standard, the following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in smaller roman type.
60745-2-1 IEC:2003(E) – 3 –
The committee has decided that the contents of this publication will remain unchanged until
2006. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.
– 4 – 60745-2-1 IEC:2003(E)
HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS –
SAFETY –
Part 2-1: Particular requirements for drills and impact drills
1 Scope
This clause of Part 1 is applicable, except as follows:
1.1 Addition:
This standard applies to drills and impact drills.
2 Normative references
This clause of Part 1 is applicable.
3 Definitions
This clause of Part 1 is applicable, except as follows:
Additional definitions:
3.101
drill
tool specifically designed to bore holes in various materials such as metal, plastics, wood, etc.
3.102
impact drill
drill specifically designed to bore holes in concrete, stone and other materials. It is similar, in
appearance and construction, to a drill, but has a built-in percussion system which gives an
axial percussion movement to rotating output spindle
It may have a device for rendering the percussion system inoperative, so that it may be used as
a conventional drill.
4 General requirements
This clause of Part 1 is applicable.
5 General conditions for the tests
This clause of Part 1 is applicable, except as follows:
5.5 Addition:
For drills which have both a mechanical means of setting different ranges of speed and an
electronic means of setting the speed within a given range, the mechanical device is adjusted
to the lowest range possible and the electronic device is adjusted to the highest setting within
the given range.
60745-2-1 IEC:2003(E) – 5 –
6 Void
7 Classification
This clause of Part 1 is applicable.
8 Marking and instructions
This clause of Part 1 is applicable, except as follows:
8.1 Addition:
Drills and impact drills shall be marked with the following:
− rated no-load speed in revolutions per minute.
− maximum capacity, in millimetres, of the chuck.
8.12.1 Addition:
The following additional warnings are given; if in English they shall be verbatim and if in any
other official language they shall be equivalent.
− Wear ear protectors with impact drills. Exposure to noise can cause hearing loss.
− Use auxiliary handles supplied with the tool. Loss of control can cause personal injury.
9 Protection against access to live parts
This clause of Part 1 is applicable.
10 Starting
This clause of Part 1 is applicable.
11 Input and current
This clause of Part 1 is applicable.
12 Heating
This clause of Part 1 is applicable, except as follows:
12.2 Addition:
Tools are operated continuously with the impact mechanism, if any, disengaged, while the torque
applied to the spindle is 80 % of the torque necessary to attain rated input or rated current.
– 6 – 60745-2-1 IEC:2003(E)
12.3 Addition:
The temperature-rise limit specified for the external enclosure does not apply to the enclosure
of the hammer mechanism.
13 Leakage current
This clause of Part 1 is applicable.
14 Moisture resistance
This clause of Part 1 is applicable.
15 Electric strength
This clause of Part 1 is applicable.
16 Overload protection of transformers and associated circuits
This clause of Part 1 is applicable.
17 Endurance
This clause of Part 1 is applicable, except as follows:
17.2 Replacement for impact drills:
Impact drills are operated with no load and, if the impact mechanism can be engaged and
disengaged at will, the impact mechanism shall remain disengaged for 12 h at supply voltage
equal to 1,1 times rated voltage and then for 12 h at a supply voltage equal to 0,9 times rated
voltage. The speed is adjusted to the highest value of the highest range.
Each cycle of operation comprises an “on” period of 100 s and an “off” period of 20 s, the off
periods being included in the specified operating time.
During the test, the tool is placed in three different positions, the operating time, at each
voltage, being approximat
...
IEC 60745-2-1
Edition 2.0 2003-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Hand-held motor-operated electric tools – Safety –
Part 2-1: Particular requirements for drills and impact drills
Outils électroportatifs à moteur – Sécurité –
Partie 2-1: Règles particulières pour perceuses et perceuses à percussion
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by
any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or
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International Standards for all electrical, electronic and related technologies.
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IEC 60745-2-1
Edition 2.0 2003-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Hand-held motor-operated electric tools – Safety –
Part 2-1: Particular requirements for drills and impact drills
Outils électroportatifs à moteur – Sécurité –
Partie 2-1: Règles particulières pour perceuses et perceuses à percussion
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
N
CODE PRIX
ICS 25.140.20; 25.140.30 ISBN 2-8318-8515-9
– 2 – 60745-2-1 © CEI:2003
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
OUTILS ÉLECTROPORTATIFS À MOTEUR –
SÉCURITÉ –
Partie 2-1: Règles particulières pour perceuses
et perceuses à percussion
AVANT-PROPOS
1) La Commission Electrotechnique Internationale (CEI) est une organisation mondiale de normalisation composée
de l'ensemble des comités électrotechniques nationaux (Comités nationaux de la CEI). La CEI a pour objet de
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l'électricité et de l'électronique. A cet effet, la CEI – entre autres activités – publie des Normes internationales,
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conditions fixées par accord entre les deux organisations.
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La Norme internationale CEI 60745-2-1 a été établie par le sous-comité 61F: Sécurité des
outils électroportatifs à moteur, du comité d'études 61 de la CEI: Sécurité des appareils
électrodomestiques et analogues.
Cette seconde édition annule et remplace la première édition publiée en 1989 et son
amendement 1 (1992) dont elle constitue une révision technique.
Cette version bilingue, publiée en 2006-02, correspond à la version anglaise.
Le texte anglais de cette norme est issu des documents 61F/451/FDIS et 61F/471/RVD. Le
rapport de vote 61F/471/RVD donne toute information sur le vote ayant abouti à l’approbation
de cette norme.
60745-2-1 © IEC:2003 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS –
SAFETY –
Part 2-1: Particular requirements for drills and impact drills
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
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expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60745-2-1 has been prepared by subcommittee 61F: Safety of
hand-held, motor-operated electric tools, of IEC technical committee 61: Safety of household
and similar electrical appliances.
This second edition cancels and replaces the first edition published in 1989 and amendment 1
(1992), of which it constitutes a technical revision.
This bilingual version, published in 2006-02, corresponds to the English version.
The text of this standard is based on the following documents:
FDIS Report on voting
61F/451/FDIS 61F/471/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
– 4 – 60745-2-1 © CEI:2003
La version française de cette norme n’a pas été soumise au vote.
Cette publication a été rédigée selon les Directives ISO/CEI, Partie 2.
La présente partie 2-1 doit être utilisée conjointement avec la troisième édition de la
CEI 60745-1. Lorsque la présente norme spécifie «addition», «modification» ou «remplace-
ment», le texte correspondant de la partie 1 doit être adapté en conséquence.
NOTE dans la présente norme, les caractères d’imprimerie suivants sont utilisés:
– exigences: caractères romains;
– modalités d'essais: caractères italiques;
– notes: petits caractères romains.
La CEI 60745 comprend les parties suivantes, présentées sous le titre général Outils
électroportatifs à moteur – Sécurité:
P
...
IEC 60745-2-1 ®
Edition 2.1 2008-07
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Hand-held motor-operated electric tools – Safety –
Part 2-1: Particular requirements for drills and impact drills
Outils électroportatifs à moteur – Sécurité –
Partie 2-1: Règles particulières pour perceuses et perceuses à percussion
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.
Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite
ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie
et les microfilms, sans l'accord écrit de l'IEC ou du Comité national de l'IEC du pays du demandeur. Si vous avez des
questions sur le copyright de l'IEC ou si vous désirez obtenir des droits supplémentaires sur cette publication, utilisez
les coordonnées ci-après ou contactez le Comité national de l'IEC de votre pays de résidence.
IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé Fax: +41 22 919 03 00
CH-1211 Geneva 20 info@iec.ch
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.
IEC Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org
The stand-alone application for consulting the entire The world's leading online dictionary of electronic and
bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in
Technical Specifications, Technical Reports and other English and French, with equivalent terms in 15 additional
documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical
iPad. Vocabulary (IEV) online.
IEC publications search - www.iec.ch/searchpub IEC Glossary - std.iec.ch/glossary
The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and
variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of
committee,…). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been
and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and
CISPR.
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also once a month by email. need further assistance, please contact the Customer Service
Centre: csc@iec.ch.
A propos de l'IEC
La Commission Electrotechnique Internationale (IEC) est la première organisation mondiale qui élabore et publie des
Normes internationales pour tout ce qui a trait à l'électricité, à l'électronique et aux technologies apparentées.
A propos des publications IEC
Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possédez l’édition la
plus récente, un corrigendum ou amendement peut avoir été publié.
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IEC 60745-2-1 ®
Edition 2.1 2008-07
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Hand-held motor-operated electric tools – Safety –
Part 2-1: Particular requirements for drills and impact drills
Outils électroportatifs à moteur – Sécurité –
Partie 2-1: Règles particulières pour perceuses et perceuses à percussion
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.140.20; 25.140.30 ISBN 2-8318-9865-X
– 2 – 60745-2-1 © IEC:2003+A1:2008
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS –
SAFETY –
Part 2-1: Particular requirements for drills and impact drills
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
This consolidated version of the official IEC Standard and its amendment has been
prepared for user convenience.
IEC 60745-2-1 edition 2.1 contains the second edition (2003) [documents 61F/451/FDIS
and 61F/471/RVD] and its amendment 1 (2008) [documents 61F/731/FDIS and 61F/751/
RVD].
A vertical line in the margin shows where the base publication has been modified by
amendment 1.
International Standard IEC 60745-2-1 has been prepared by subcommittee 61F: Safety of
hand-held, motor-operated electric tools, of IEC technical committee 61: Safety of household
and similar electrical appliances.
The French version of this standard has not been voted upon.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
60745-2-1 © IEC:2003+A1:2008 – 3 –
This part 2-1 is to be used in conjunction with the third edition of IEC 60745-1. When this
standard states “addition”, “modification” or “replacement”, the relevant text in part 1 is to be
adapted accordingly.
With amendment 1, this Part 2 is established on the basis of the fourth edition (2006) of
IEC 60745-1, Hand-held motor-operated electric tools – Safety – Part 1: General requirements.
Main changes include editorial modifications to match with the fourth edition of IEC 60745-1
and the addition of a new safety warning to Clause 8: Marking and instructions.
NOTE in this standard, the following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in smaller roman type.
IEC 60745 consists of the following parts, under the general title Hand-held motor-operated
electric tools – Safety:
Part 1: General requirements
Part 2-1: Particular requirements for drills and impact drills
Part 2-2: Particular requirements for screwdrivers and impact wrenches
Part 2-3: Particular requirements for grinders, polishers and disk-type sanders
Part 2-4: Particular requirements for sanders and polishers other than disk type
Part 2-5: Particular requirements for circular saws and circular knives
Part 2-6: Particular requirements for hammers
Part 2-7: Particular requirements for spray guns for non-flammable liquids
Part 2-8: Particular requirements for shears and nibblers
Part 2-9: Particular requirements for tappers
Part 2-11: Particular requirements for reciprocating saws (jig and sabre saws)
Part 2-12: Particular requirements for concrete vibrators
Part 2-13: Particular requirements for chain saws
Part 2-14: Particular requirements for planers
Part 2-15: Particular requirements for hedge trimmers and grass shears
Part 2-16: Particular requirements for tackers
Part 2-17: Particular requirements for routers and trimmers
Part 2-18: Particular requirements for strapping tools
Part 2-19: Particular requirements for jointers
Part 2-20: Particular requirements for band saws
Part 2-21: Particular requirements for drain cleaners
The committee has decided that the contents of the base publication and its amendments will
remain unchanged until the maintenance result date indicated on the IEC web site under
"http://webstore.iec.ch" in the data related to the specific publication. At this date,
the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
– 4 – 60745-2-1 © IEC:2003+A1:2008
HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS –
SAFETY –
Part 2-1: Particular requirements for drills and impact drills
1 Scope
This clause of Part 1 is applicable, except as follows:
Addition:
This standard applies to drills and impact drills.
2 Normative references
This clause of Part 1 is applicable.
3 Terms and definitions
This clause of Part 1 is applicable, except as follows:
Additional definitions:
3.101
drill
tool specifically designed to bore holes in various materials such as metal, plastics, wood, etc.
3.102
impact drill
drill specifically designed to bore holes in concrete, stone and other materials. It is similar, in
appearance and construction, to a drill, but has a built-in percussion system which gives an
axial percussion movement to rotating output spindle
It may have a device for rendering the percussion system inoperative, so that it may be used as
a conventional drill.
4 General requirements
This clause of Part 1 is applicable.
5 General conditions for the tests
This clause of Part 1 is applicable, except as follows:
5.5 Addition:
For drills which have both a mechanical means of setting different ranges of speed and an
electronic means of setting the speed within a given range, the mechanical device is adjusted
to the lowest range possible and the electronic device is adjusted to the highest setting within
...
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