Tiêu chuẩn iso 02725 1 2015

INTERNATIONAL STANDARD ISO 2725-1 Third edition 2015-03-15 Assembly tools for screws and nuts — Square drive sockets — Part 1: Hand-operated sockets Outils de manoeuvre pour vis et écrous — Douilles carré conducteur femelle — Partie 1: Douilles main Reference number ISO 2725-1:2015(E) © ISO 2015 ISO 2725-1:2015(E) COPYRIGHT PROTECTED DOCUMENT © ISO 2015 the requester Case postale 56 • CH-1211 Geneva 20 Tel + 41 22 749 01 11 Fax + 41 22 749 09 47 Web www.iso.org ii © ISO 2015 – All rights reserved ISO 2725-1:2015(E) Contents Page Foreword iv Scope Normative references Dimensions Designation 7 Marking Bibliography © ISO 2015 – All rights reserved iii ISO 2725-1:2015(E) Foreword committee has been established has the right to be represented on that committee International The procedures used to develop this document and those intended for its further maintenance are www.iso.org/directives) the ISO list of patent declarations received (see www.iso.org/patents) constitute an endorsement tools for screws and nuts, pliers and nippers Small tools Assembly This third edition cancels and replaces the second edition (ISO 2725-1 The following main changes have been made with respect to the previous edition: current market situation; b) d3min calculated from maximum thread diameter Dmax (the largest nominal thread diameter found in current standards); c) the values of tmin have been changed to the maximum thread diameter (tmin = mmax Square drive sockets: Assembly tools for screws and nuts — — Part 1: Hand-operated sockets — Part 2: Machine-operated sockets (‘impact’) — Part 3: Machine-operated sockets (‘non-impact’) iv © ISO 2015 – All rights reserved INTERNATIONAL STANDARD ISO 2725-1:2015(E) Assembly tools for screws and nuts — Square drive sockets — Part 1: Hand-operated sockets Scope This part of ISO 2725 sockets with operating end and having a hexagonal or double hexagonal form in accordance with ISO 1174-1 NOTE Hand-operated square drive sockets are listed under number 02 01 in ISO 1703 manufacturer’s design Normative references Assembly tools for screws and nuts — Wrench and socket openings — Tolerances for general use tools Assembly tools for screws and nuts — Driving squares — Part 1: Driving squares for hand socket wrenches and sockets Hexagon head bolts — Product grades A and B Hexagon regular nuts (style 1) — Product grades A and B s in ISO 691 Manufacturers are free to choose the series of deviations Dimensions Table to Table Figure to Figure for driving s © ISO 2015 – All rights reserved ISO 2725-1:2015(E) Figure — Sockets with d1 < d2 Figure — Sockets with d1 = d2 © ISO 2015 – All rights reserved ISO 2725-1:2015(E) Figure — Sockets with d1 > d2 Table — Square drive of 6,3 Dmaxc s mm ta d1 max d2 max mm mm mm 6d f max clearance hole (normal) (long) mm mm mm 26 45 26 45 26 45 26 45 26 45 26 45 26 45 9d 6e 26 45 10 26 45 11 8e 26 45 26 45 12d NOTE 11 l d3b 16 16 tmin a tmin = mmax b d3min = D c The maximum thread diameter Dmax is the largest nominal thread diameter found in current International Standards mmax d e f Value taken from DIN 934 © ISO 2015 – All rights reserved ISO 2725-1:2015(E) Table (continued) Dmaxc s mm 13 ta mm d1 max mm l d3b max clearance hole (normal) (long) mm mm mm d2 max mm 10 26 45 14d 10 26 46 15d 12 26 45 16 12e 26 45 NOTE 22 22 tmin a tmin = mmax b d3min = D c The maximum thread diameter Dmax is the largest nominal thread diameter found in current International Standards mmax d e f Value taken from DIN 934 Table — Square drive of 10 Dmaxc s mm ta mm d1 max d2 max mm mm 11 l d3b max clearance hole (normal) (long) mm mm mm 20 32 44 20 32 44 9d 6e 20 32 44 20 32 44 20 32 44 10 11 8e 12d 20 32 44 16 13 10 20 32 44 14d 10 24 32 45 15d 12 24 32 45 16 12e 24 35 50 17d 12 24 35 54 18 14 35 54 35 60 19d NOTE 14 26 26 tmin a tmin = mmax b d3min = D c The maximum thread diameter Dmax is the largest nominal thread diameter found in a current International Standards mmax d e © ISO 2015 – All rights reserved ISO 2725-1:2015(E) Table (continued) Dmaxc s mm 21 mm d1 max mm d2 max l d3b max clearance hole (normal) (long) mm mm mm mm 16 38 60 22d 16 38 60 24 16 38 65 NOTE a ta tmin tmin = mmax mmax b d3min = D c The maximum thread diameter Dmax is the largest nominal thread diameter found in a current International Standards d e Table — Square drive of 12,5 Dmaxc s mm ta mm d1 max d2 max mm mm 14 l d3b max clearance hole (normal) (long) mm mm mm 24 40 75 9d 6e 24 40 75 10 24 40 75 24 40 75 24 40 75 11 8e 12d 13 18 10 24 40 75 14 d 10 24 40 75 15d 12 24 40 75 16 12e 40 75 17d 12 40 75 18 14 42 75 19d 14 42 75 21 16 44 75 22d 16 44 75 46 75 24 NOTE 23 16 33 33 tmin a tmin = mmax b d3min = D c The maximum thread diameter Dmax is the largest nominal thread diameter found in current International Standards mmax d e © ISO 2015 – All rights reserved ISO 2725-1:2015(E) Table (continued) Dmaxc s mm 27 mm d1 max mm 30 20 24 34 24e 43 l d3b max clearance hole (normal) (long) mm mm mm 48 75 d2 max mm 20 32d NOTE ta 43 50 75 50 75 52 75 tmin a tmin = mmax b d3min = D c The maximum thread diameter Dmax is the largest nominal thread diameter found in current International Standards mmax d e Table — Square drive of 20 Dmaxc s mm ta mm d1 max mm d2 max mm l d3b max clearance hole (normal) (long) mm mm mm 21 16 40 55 85 22d 16 40 55 85 24 16 40 55 85 27 20 40 60 85 30 20 60 85 32d 24 60 85 34 24e 65 85 36 24 67 85 41 27 70 85 46 30 83 100 50 33 89 100 55 36 95 100 60 39 100 100 NOTE tmin a tmin = mmax b d3min = D c The maximum thread diameter Dmax is the largest nominal thread diameter found in current International Standards mmax d e © ISO 2015 – All rights reserved ISO 2725-1:2015(E) Table — Square drive of 25 Dmaxc s mm NOTE ta d1 max d2 max mm mm mm 61 l d3b max clearance hole (normal) mm mm 83 41 27 46 30 55 80 50 33 55 85 55 36 57 95 60 39 61 103 65 42 78 110 70 45 84 116 tmin a tmin = mmax b d3min = D c The maximum thread diameter Dmax is the largest nominal thread diameter found in current International Standards mmax Designation s × 10 - A Marking following information: — the name or trademark of the manufacturer or supplier; © ISO 2015 – All rights reserved ISO 2725-1:2015(E) Bibliography Assembly tools for screws and nuts — Designation and nomenclature Assembly tools for screws and nuts — Square drive sockets — Part 2: Machine-operated sockets (“impact”) © ISO 2015 – All rights reserved This page is intentionally blank This page is intentionally blank This page is intentionally blank ISO 2725-1:2015(E) Price based on pages © ISO 2015 – All rights reserved