ISO 7852:1983
(Main)Earth-moving machinery - Plough bolt heads - Shapes and dimensions (excluding thread dimensions)
Earth-moving machinery - Plough bolt heads - Shapes and dimensions (excluding thread dimensions)
Specifies the shapes and lays down the dimensions of the heads of plough bolts (excluding thread dimensions) used for mounting of cutting edges, end bits, bucket teeth etc. of earth-moving machinery as defined in ISO 6165 taking into consideration the interchangeability.
Engins de terrassement — Têtes des boulons de soc — Formes et dimensions (à l'exception des dimensions des filetages)
General Information
- Status
- Published
- Publication Date
- 30-Nov-1983
- Current Stage
- 9093 - International Standard confirmed
- Start Date
- 08-Dec-2021
- Completion Date
- 13-Dec-2025
Overview
ISO 7852:1983 specifies the shapes and dimensions of plough bolt heads (excluding thread dimensions) used in earth-moving machinery. It covers head form, nominal sizes and tolerances for plough bolts used to mount cutting edges, end bits, bucket teeth and similar wear parts on dozers, graders, scrapers and buckets. The standard supports interchangeability among equipment and components and gives dimensions in millimetres. An annex covers variants with a 90° countersunk angle.
Key topics and requirements
- Scope: Applies to plough bolt head shapes and their dimensional requirements only - thread dimensions are explicitly excluded.
- Head forms: Defines standard head profiles and the corresponding dimensional parameters (for example B, R, D, F, H, h) shown in figures and tabulated in the standard.
- Nominal sizes and tolerances: Provides nominal dimensions and tolerances for each head type to ensure consistent fit and interchangeability across manufacturers.
- Types covered: Main body of the standard lists several standard types (illustrated in figure 1 and table 1). The annex defines additional types for 90° countersunk bolt heads (figure 2 and table 2).
- Units and presentation: Dimensions are presented in millimetres; illustrations and tables form an integral part of the specification.
- Referenced standards: Linked to ISO 6165 (vocabulary/basic types for earth-moving machinery) and cross-references ISO 7129 for cutting-edge shapes.
Practical applications
Who uses ISO 7852 and why:
- OEMs and component manufacturers: to design and produce plough bolts with heads that fit standardized cutting edges, bucket teeth and end bits.
- Maintenance and repair teams: to specify correct replacement bolts ensuring compatibility and safe assembly.
- Purchasing and procurement: to write clear specifications that guarantee interchangeability and reduce part-number proliferation.
- Inspection and quality control: to verify head dimensions and tolerances against an international reference.
- Equipment designers and engineers: to incorporate standardized bolt head dimensions into wear-part and attachment interfaces.
Typical use-cases include mounting cutting edges on graders and dozers, securing bucket teeth on excavators and loaders, and specifying spare parts that must be interchangeable across machine makes.
Related standards
- ISO 6165 - Earth-moving machinery: Basic types and vocabulary (referenced for equipment definitions)
- ISO 7129 - Cutting edges: Principal shapes (related for mating part geometries)
Keywords: ISO 7852, plough bolt heads, earth-moving machinery, plough bolts, bolt head dimensions, interchangeability, bolt head shapes, 90° countersunk plough bolt.
ISO 7852:1983 - Earth-moving machinery -- Plough bolt heads -- Shapes and dimensions (excluding thread dimensions)
ISO 7852:1983 - Engins de terrassement -- Tetes des boulons de soc -- Formes et dimensions (a l'exception des dimensions des filetages)
ISO 7852:1983 - Engins de terrassement -- Tetes des boulons de soc -- Formes et dimensions (a l'exception des dimensions des filetages)
Frequently Asked Questions
ISO 7852:1983 is a standard published by the International Organization for Standardization (ISO). Its full title is "Earth-moving machinery - Plough bolt heads - Shapes and dimensions (excluding thread dimensions)". This standard covers: Specifies the shapes and lays down the dimensions of the heads of plough bolts (excluding thread dimensions) used for mounting of cutting edges, end bits, bucket teeth etc. of earth-moving machinery as defined in ISO 6165 taking into consideration the interchangeability.
Specifies the shapes and lays down the dimensions of the heads of plough bolts (excluding thread dimensions) used for mounting of cutting edges, end bits, bucket teeth etc. of earth-moving machinery as defined in ISO 6165 taking into consideration the interchangeability.
ISO 7852:1983 is classified under the following ICS (International Classification for Standards) categories: 53.100 - Earth-moving machinery. The ICS classification helps identify the subject area and facilitates finding related standards.
You can purchase ISO 7852:1983 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of ISO standards.
Standards Content (Sample)
International Standard
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION.ME)I(C1YHAPOfiHAR OPrAHM3ALWlR fl0 CTAH~APTM3ALWl.ORGANISATION INTERNATIONALE DE NORMALISATION
Earth-moving machinery - Plough bolt heads - Shapes
and dimensions (excluding thread dimensions)
Formes et dimensions (& l ’exception des dimensions des fietages)
Engins de terrassement - T@tes des boulons de sec -
First edition - 1983-12-01
UDC 621.882.6 : 621.878/ .879 Ref. No. EO 78524983 (E)
w
-
Descriptors : earth handling equipment, bolts, shape, dimensions.
v) Price based on 3 pages
Foreword -
ISO (the International Organization for Standardization) is a worldwide federation of
national Standards bodies (ISO member bodies). The work of developing International
Standards is carried out through ISO technical committees. Every member body
interested in a subject for which a technical committee has been authorized has the
right to be represented on that committee. International organizations, governmental
and non-governmental, in Iiaison with ISO, also take part in the work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the ISO Council.
International Standard ISO 7852 was developed by Technical Committee ISO/TC 127,
Earfh-moving machinety, and was circulated to the member bodies in December 1982.
lt has been approved by the member bodies of the following countries :
Australia Egypt, Arab Rep. of Sweden
Austria United Kingdom
Italy
Belgium Japan USA
Brazil
Mexico USSR
Bulgaria Poland
Czechoslovakia
Romania
No member body expressed disapproval of the document.
0 International Organkation for Standardkation, 1983
Printed in Switzerland
NAL STANDARD ISO 78524983 (E)
Earth-moving machinery - Plough bolt heads - Shapes
and dimensions (excluding thread dirnenkions)
1 Scope and field of application ISO 7129, Earth-moving machinery - Trattors with dozer,
graders, tractor scrapers - Cutting edges - Principal shapes
This International Standard specifies the shapes and lays down and basic dimensions.
the dimensions of the heads of plough bolts (excluding thread
dimensions) used for mounting of
...
Norme internationale
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION.ME~YHAPO~HAR OPrAHM3A~MR Il0 CTAH~APTbl3AW’Wl~RGANISATION INTERNATIONALE DE NORMALISATION
Engins de terrassement - Têtes des boulons de soc -
Formes et dimensions (à l’exception des dimensions des
filetages)
Earth-moving machinery - Plough bolt heads - Shapes and dimensions (excluding thread dimensions)
Première édition - 1983-12-01
CDU 621.882.6 : 621.878/.879 Réf. no : ISO 78524983 (i)
Descripteurs : matériel de terrassement, boulon, forme, dimension.
Prix basé sur 3 pages
Avant-propos
L’ISO (Organisation internationale de normalisation) est une fédération mondiale
d’organismes nationaux de normalisation (comités membres de I’ISO). L’élaboration
des Normes internationales est confiée aux comités techniques de I’ISO. Chaque
comité membre intéressé par une étude a le droit de faire partie du comité technique
correspondant. Les organisations internationales, gouvernementales et non gouverne-
mentales, en liaison avec I’ISO, participent également aux travaux.
Les projets de Normes internationales adoptés par les comités techniques sont soumis
aux comités membres pour approbation, avant leur acceptation comme Normes inter-
nationales par le Conseil de I’ISO.
La Norme internationale ISO 7852 a été élaborée par le comité technique ISO/TC 127,
Engins de terrassement, et a eté soumise aux comités membres en décembre 1982.
Les comités membres des pays suivants l’ont approuvée :
Australie Suéde
Italie
Autriche Japon Tchécoslovaquie
Belgique URSS
Mexique
Bresil Pologne USA
Bulgarie
Roumanie
Égypte, Rép. arabe d’ Royaume-Uni
Aucun comité membre ne l’a désapprouvée.
0 Organisation internationale de normalisation, 1983
Imprimé en Suisse
ISO 78524983 (F)
NORME INTERNATIONALE
Têtes des boulons de soc -
Engins de terrassement -
Formes et dimensions (à l’exception des dimensions des
filetages)
ISO 7129, Engins de terrassement - Tracteurs à lame, niveleu-
1 Objet et domaine d’application
ses, décapeuses - Bords coupants - Formes principales et
La présente Norme internationale spécifie les formes et fixe les dimensions de base.
dimensions des têtes des boulons de soc (a l’exception des
dimensions des filetages) utilisés dans le montage des bords
coupants, des dents de
...
Norme internationale
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION.ME~YHAPO~HAR OPrAHM3A~MR Il0 CTAH~APTbl3AW’Wl~RGANISATION INTERNATIONALE DE NORMALISATION
Engins de terrassement - Têtes des boulons de soc -
Formes et dimensions (à l’exception des dimensions des
filetages)
Earth-moving machinery - Plough bolt heads - Shapes and dimensions (excluding thread dimensions)
Première édition - 1983-12-01
CDU 621.882.6 : 621.878/.879 Réf. no : ISO 78524983 (i)
Descripteurs : matériel de terrassement, boulon, forme, dimension.
Prix basé sur 3 pages
Avant-propos
L’ISO (Organisation internationale de normalisation) est une fédération mondiale
d’organismes nationaux de normalisation (comités membres de I’ISO). L’élaboration
des Normes internationales est confiée aux comités techniques de I’ISO. Chaque
comité membre intéressé par une étude a le droit de faire partie du comité technique
correspondant. Les organisations internationales, gouvernementales et non gouverne-
mentales, en liaison avec I’ISO, participent également aux travaux.
Les projets de Normes internationales adoptés par les comités techniques sont soumis
aux comités membres pour approbation, avant leur acceptation comme Normes inter-
nationales par le Conseil de I’ISO.
La Norme internationale ISO 7852 a été élaborée par le comité technique ISO/TC 127,
Engins de terrassement, et a eté soumise aux comités membres en décembre 1982.
Les comités membres des pays suivants l’ont approuvée :
Australie Suéde
Italie
Autriche Japon Tchécoslovaquie
Belgique URSS
Mexique
Bresil Pologne USA
Bulgarie
Roumanie
Égypte, Rép. arabe d’ Royaume-Uni
Aucun comité membre ne l’a désapprouvée.
0 Organisation internationale de normalisation, 1983
Imprimé en Suisse
ISO 78524983 (F)
NORME INTERNATIONALE
Têtes des boulons de soc -
Engins de terrassement -
Formes et dimensions (à l’exception des dimensions des
filetages)
ISO 7129, Engins de terrassement - Tracteurs à lame, niveleu-
1 Objet et domaine d’application
ses, décapeuses - Bords coupants - Formes principales et
La présente Norme internationale spécifie les formes et fixe les dimensions de base.
dimensions des têtes des boulons de soc (a l’exception des
dimensions des filetages) utilisés dans le montage des bords
coupants, des dents de
...


















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