prEN ISO 4016 rev

Hexagon head bolts - Product grade C (ISO/DIS 4016:2020)

Sechskantschrauben mit Schaft - Produktklasse C (ISO/DIS 4016:2020)

Vis à tête hexagonale partiellement filetées - Grade C (ISO/DIS 4016:2020)

Vijaki s šestrobo glavo - Razred izdelave C (ISO/DIS 4016:2020)

Standards Content (sample)

SLOVENSKI STANDARD
oSIST prEN ISO 4016 rev:2020
01-september-2020
Vijaki s šestrobo glavo - Razred izdelave C (ISO/DIS 4016:2020)
Hexagon head bolts - Product grade C (ISO/DIS 4016:2020)
Sechskantschrauben mit Schaft - Produktklasse C (ISO/DIS 4016:2020)
Vis à tête hexagonale partiellement filetées - Grade C (ISO/DIS 4016:2020)
Ta slovenski standard je istoveten z: prEN ISO 4016 rev
ICS:
21.060.10 Sorniki, vijaki, stebelni vijaki Bolts, screws, studs
oSIST prEN ISO 4016 rev:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 4016 rev:2020
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oSIST prEN ISO 4016 rev:2020
DRAFT INTERNATIONAL STANDARD
ISO/DIS 4016
ISO/TC 2/SC 11 Secretariat: DIN
Voting begins on: Voting terminates on:
2020-06-24 2020-09-16
Hexagon head bolts — Product grade C
Vis à tête hexagonale partiellement filetées — Grade C
ICS: 21.060.10
IMPORTANT — Please use this updated version dated 2020-05-04, and
discard any previous versions of this DIS.
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 4016:2020(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. ISO 2020
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oSIST prEN ISO 4016 rev:2020
ISO/DIS 4016:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
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Published in Switzerland
ii © ISO 2020 – All rights reserved
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oSIST prEN ISO 4016 rev:2020
ISO/DIS 4016:2020 (E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national

standards bodies (ISO member bodies). The work of preparing International Standards is normally

carried out through ISO technical committees. Each member body interested in a subject for which a

technical committee has been established has the right to be represented on that committee.

International organizations, governmental and non-governmental, in liaison with ISO, also take part in

the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all

matters of electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following

URL: www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 11,

Fasteners with metric external thread.

This fifth edition cancels and replaces the fourth edition (ISO 4016:2011), which has been technically

revised.
The main changes compared to the previous edition are as follows:
— M7 has been added,
— tables for dimensions have been restructured,

— d has been changed for M5 from s – IT16 to s – IT15, as for hexagon head bolts of product

w,min min min
grades A and B;

— standard lengths have been corrected: addition of l = 50 mm forM12, 70 mm for M18, 90 mm for

nom

M24, 100 mm for M27, 160 mm for M42, 180 mm for M48, 220 mm forM56, 240 mm for M64 and

deletion of l = 400 for M39;
nom
— l has been corrected for M33  260 (169 mm instead of 167 mm),
g,max
— specifications for marking and labelling have been added as Clause 6.

Any feedback or questions on this document should be directed to the user's national standards body. A

complete listing of these bodies can be found at www.iso.org/members.html.
© ISO 2020 – All rights reserved iii
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oSIST prEN ISO 4016 rev:2020
ISO/DIS 4016:2020 (E)
Hexagon head bolts — Product grade C
1 Scope

This document specifies the characteristics of hexagon head bolts, in steel, with metric coarse pitch

threads M5 to M64, and with product grade C.

NOTE If in certain cases other specifications are requested, property classes can be selected from ISO 898-1

and dimensional options from ISO 888 or ISO 4753.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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 898-1, Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws

and studs with specified property classes — Coarse thread and fine pitch thread

ISO 965-1, ISO general purpose metric screw threads — Tolerances — Part 1: Principles and basic data

ISO 1891-4, Fasteners — Vocabulary — Part 4: Control, inspection, delivery, acceptance and quality

ISO 3269, Fasteners — Acceptance inspection
ISO 4042, Fasteners — Electroplated coating systems
ISO 4753, Fasteners — Ends of parts with external ISO metric thread

ISO 4759-1, Tolerances for fasteners — Part 1: Bolts, screws, studs and nuts — Product grades A, B and C

ISO 6157-1, Fasteners — Surface discontinuities — Part 1: Bolts, screws and studs for general

requirements
ISO 8992, Fasteners — General requirements for bolts, screws, studs and nuts
ISO 10683, Fasteners — Non-electrolytically applied zinc flake coating systems
ISO 10684, Fasteners — Hot dip galvanised coatings
3 Terms and definitions
No terms and definitions are listed in this document.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at http://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
4 Dimensions
Dimensions shall be in accordance with Figures 1 and 2 and with Tables 1 to 4.
Symbols and descriptions of dimensions are defined in ISO 225.
© ISO 2020 – All rights reserved 1
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oSIST prEN ISO 4016 rev:2020
ISO/DIS 4016:2020 (E)
Key
End at the discretion of the manufacturer, in accordance with ISO 4753.
Incomplete thread u ≤ 2P.
l = l − b and l = l − 5P.
g,max nom s,min g,max
Washer face at the discretion of the manufacturer.
Figure 1 — Hexagon head bolt
a) Minimum underhead fillet b) Maximum underhead fillet

c) Minimum underhead fillet with washer face d) Maximum underhead fillet with washer face

Key

Indentation at the discretion of the manufacturer, within a maximum diameter of 0,8s and a maximum depth

of 0,2k.
Reference datum for d .
Figure 2 — Head details and permissible shapes
2 © ISO 2020 – All rights reserved
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oSIST prEN ISO 4016 rev:2020
ISO/DIS 4016:2020 (E)
Table 1 — Dimensions – M5 to M12
Dimensions in millimetres
Thread, d M5 M6 (M7) M8 M10 M12
P 0,8 1 1 1,25 1,5 1,75
b ref. 16 18 20 22 26 30
c max. 0,5 0,5 0,6 0,6 0,6 0,6
max. 6,0 7,2 8,2 10,2 12,2 14,7
max. 5,48 6,48 7,58 8,58 10,58 12,7
min. 4,52 5,52 6,42 7,42 9,42 11,3
d min. 7,06 8,74 9,47 11,47 14,47 16,47
e min. 8,63 10,89 11,94 14,20 17,59 19,85
nom. 3,5 4,0 4,8 5,3 6,4 7,5
k max. 3,875 4,375 5,175 5,675 6,85 7,95
min. 3,125 3,625 4,425 4,925 5,95 7,05
min. 2,19 2,54 3,10 3,45 4,17 4,94
r min. 0,20 0,25 0,25 0,40 0,40 0,60
nom. = max. 8,00 10,00 11,00 13,00 16,00 18,00
min. 7,64 9,64 10,57 12,57 15,57 17,57
l Range of standardized lengths between the stepped discontinuous lines

l min. l max. l min. l max. l min. l max. l min. l max. l min. l max. l min. l max.

nom. min. max.
s g s g s g s g s g s g
25 23,95 26,05 5,0 9,0
30 28,95 31,05 10,0 14,0 7,0 12,0
Fully threaded screws
specified in ISO 4018
35 33,75 36,25 15,0 19,0 12,0 17,0 10,0 15,0
40 38,75 41,25 20,0 24,0 17,0 22,0 15,0 20,0 11,75 18,0
45 43,75 46,25 25,0 29,0 22,0 27,0 20,0 25,0 16,75 23,0 11,5 19,0
50 48,75 51,25 30,0 34,0 27,0 32,0 25,0 30,0 21,75 28,0 16,5 24,0 11,25 20,0
55 53,50 56,50 32,0 37,0 30,0 35,0 26,75 33,0 21,5 29,0 16,25 25,0
60 58,50 61,50 37,0 42,0 35,0 40,0 31,75 38,0 26,5 34,0 21,25 30,0
65 63,50 66,50 40,0 45,0 36,75 43,0 31,5 39,0 26,25 35,0
70 68,50 71,50 45,0 50,0 41,75 48,0 36,5 44,0 31,2
...