1、April 2007DEUTSCHE NORM English price group 8No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 25.140.01!,wO“9849344www.
2、din.deDDIN ISO 2351-1Assembly tools for screws and nuts Machine-operated screwdriver bits Part 1: Screwdriver bits for slotted head screws (ISO 2351-1:2007)English version of DIN ISO 2351-1:2007-04Schraubwerkzeuge Maschinenbettigte Schraubendrehereinstze Teil 1: Schraubendrehereinstze fr Schrauben m
3、it Schlitz (ISO 2351-1:2007)Englische Fassung DIN ISO 2351-1:2007-04SupersedesDIN 3127-1:1995-05www.beuth.deDocument comprises 8 pages07.07DIN ISO 2351-1:2007-04 2 Contents Page National foreword 2 National Annex NA (informative) Bibliography . 3 1 Scope . 4 2 Normative references . 4 3 Dimensions 4
4、 4 Technical requirements 6 5 Torque test 6 6 Designation . 7 7 Marking 7 Bibliography . 8 National foreword This standard has been prepared by Technical Committee ISO/TC 29 “Small tools”, Subcommittee SC 10 “Assembly tools for screws and nuts, pliers and nippers”. The responsible German body involv
5、ed in its preparation was the Normenausschuss Werkzeuge und Spann-zeuge (Tools and Clamping Devices Standards Committee), Technical Committee NA 121-08-01 AA Schraub-werkzeuge. Because International Standards ISO 2380-1 “Assembly tools for screws and nuts Screwdrivers for slotted-head screws Part 1:
6、 Tips for hand and machine-operated screwdrivers” and ISO 2380-2 “Assembly tools for screws and nuts Screwdrivers for slotted-head screws Part 2: General requirements, lengths of blades and marking of hand-operated screwdrivers” have been revised by ISO/TC 29/SC 10 and adopted as DIN ISO Standards,
7、Technical Committee NA 121-08-01 AA decided to adopt ISO 2351-1:2007 as a DIN ISO Standard as well. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. DIN shall not be held responsible for identifying any or all such patent rights. I
8、SO 2351 consists of the following parts, under the general title Assembly tools for screws and nuts Machine-operated screwdriver bits: Part 1: Screwdriver bits for slotted head screws Part 2: Screwdriver bits for cross-recessed head screws Part 3: Screwdriver bits for hexagon socket screws DIN ISO 2
9、351-1:2007-04 3 The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 1173 DIN 3126 ISO 2380-1 DIN ISO 2380-1 ISO 2380-2 DIN ISO 2380-2 Amendments This standard differs from DIN 3127-1:1995-05 as follows: a) ISO 2351-1:2007 has been adopted i
10、n its entirety. For the nominal dimensions of tips and for technical requirements and torque test, reference is now made to ISO 2380-1. b) In Table 1, l1is given as maximum dimension without limit deviations. Previous editions DIN 3127-1: 1969-02, 1976-04, 1987-03, 1995-05 National Annex NA (informa
11、tive) Bibliography DIN 3126, Drive ends for screwdriver bits and connecting parts Dimensions DIN ISO 2351-2, Assembly tools for screws and nuts Machine-operated screwdriver bits Part 2: Screw-driver bits for cross-recessed head screws DIN ISO 2351-3, Assembly tools for screws and nuts Machine-operat
12、ed screwdriver bits Part 3: Screw-driver bits for hexagon socket screws DIN ISO 2380-1, Assembly tools for screws and nuts Screwdrivers for slotted-head screws Part 1: Tips for hand- and machine-operated screwdrivers DIN ISO 2380-2, Assembly tools for screws and nuts Screwdrivers for slotted-head sc
13、rews Part 2: Gen-eral requirements, lengths of blades and marking of hand-operated screwdrivers 1 Scope This part of ISO 2351 prescribes the technical specifications for machine-operated screwdriver bits for slotted head screws. It applies to bits with male hexagon drive or with cylindrical flat end
14、 drive as defined in ISO 1173, and to tips for screwdrivers Type C as defined in ISO 2380-1. It also gives recommended combinations between tips and bits. NOTE Machine-operated screwdriver bits are listed under number 3 2 04 01 0 in ISO 1703. 2 Normative references The following referenced documents
15、 are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 1173, Assembly tools for screws and nuts Drive ends for hand- and machine-opera
16、ted screwdriver bits and connecting parts Dimensions, torque testing ISO 2380-1, Assembly tools for screws and nuts Screwdrivers for slotted-head screws Part 1: Tips for hand- and machine-operated screwdrivers 3 Dimensions Figure 1 and Table 1 show the recommended combinations of screwdriver bits fo
17、r slotted head screws. The shape of the liaison between the tip and the driver end is at the discretion of the manufacturer. Assembly tools for screws and nuts Machine-operated screwdriver bits Part 1: Screwdriver bits for slotted head screws 4DIN ISO 2351-1:2007-04 Key 1 Form A 2 Form C 3 Form E 4
18、Form G aPart in contact with the screw (in accordance with ISO 2380-1, Type C). bDriver end (in accordance with ISO 1173). Figure 1 Screwdriver bits (see Table 1) 5DIN ISO 2351-1:2007-04 Table 1 Recommended combinations between tip and driver end Dimensions in millimetres Male hexagon or cylindrical
19、 flat end of form (in accordance with ISO 1173) Nominal dimensions of tips (in accordance with ISO 2380-1, Type C) A 3 A 5,5 C 4 C 6,3 C 8 C 12,5 E 6,3 E 8 E 11,2 G 7 l1max. 51 29 40 42 51 51 86 54 Thickness a Width b l2min. 25 11 13 14 14 24 52 47 25 2 X X 0,4 2,5 X X X 3 X X X X X X 0,5 4 X X X X
20、X X 3 X X X X X X 3,5 X X X X X X 0,6 4,5 X X X X X X 4 X X X X X X X 0,8 5,5 X X X X X X X X X 4,5 X X X X X X X X X 5,5 X X X X X X X X X 1 6 X X X X X X X 6,5 X X X X X X X 1,2 8 X X X X X X X 8 X X X X X X X X 1,6 10 X X X X X X X 2 12 X X X X 2,5 14 X X X X 4 Technical requirements The technica
21、l specifications of bits are the same as those for screwdrivers in accordance with ISO 2380-1, Type C. 5 Torque test Torque testing shall be carried out in accordance with ISO 2380-1, Type C. 6DIN ISO 2351-1:2007-04 6 Designation A screwdriver bit in accordance with this part of ISO 2351 shall be de
22、signated by: a) “Bit”; b) the reference to this part of ISO 2351 (i.e. ISO 2351-1); c) the form and the dimensions of the driver end (in accordance with ISO 1173); d) the dimensions of the tip (in accordance with ISO 2380-1, Type C). EXAMPLE A screwdriver bit for slotted head screws with a drive end
23、 E 11,2 (in accordance with ISO 1173) and the tip dimensions 1,6 mm 8 mm (in accordance with ISO 2380-1, Type C) is designated as follows Bit ISO 2351-1 E 11,2 1,6 8 7 Marking Screwdriver bits in accordance with this part of ISO 2351 shall be marked permanently and legibly with: a) the name of the m
24、anufacturer or supplier; b) dimensions of the tip, a b. For male hexagons A 3 and C 4, the marking shall be given only on the smallest commonly used packaging unit. 7DIN ISO 2351-1:2007-04 Bibliography 1 ISO 1703, Assembly tools for screws and nuts Designation and nomenclature 2 ISO 2351-2, Assembly tools for screws and nuts Machine-operated screwdriver bits Part 2: Screwdriver bits for cross-recessed head screw 3 ISO 2351-3, Assembly tools for screws and nuts Machine-operated screwdriver bits Part 3: Screwdriver bits for hexagon socket screws 8DIN ISO 2351-1:2007-04
