GOST ISO 4034-2014 Hexagon Nuts

HEXAGON NUTS, STYLE 1

Accuracy class C

Hexagon regular nuts (style 1). Product grade C

Effective date — 2017-01-01

1 Scope

This standard establishes the characteristics of hexagon nuts, style 1, with thread from M5 to M64 inclusive, product grade C.

If characteristics differing from those established in this standard are required, they shall be selected from current international standards, for example ISO 724, ISO 898-2, ISO 965-1 and ISO 4759-1.

2 Normative references

The following referenced documents are necessary for the application of this standard. For dated references, only the cited edition of the referenced document applies.

ISO 225:2010 Fasteners — Bolts, screws, studs and nuts — Symbols and descriptions of dimensions (Fasteners. Bolts, screws, studs and nuts. Symbols and descriptions of dimensions)

ISO 724:1993 ISO general-purpose metric screw threads — Basic dimensions (ISO general-purpose metric screw threads. Basic dimensions)

ISO 898-2:2012 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread (Mechanical properties of fasteners made of carbon steel and alloy steel. Part 2. Nuts with specified property classes with coarse thread and fine pitch thread)

ISO 965-1:2013 ISO general-purpose metric screw threads — Tolerances — Part 1: Principles and basic data (ISO general-purpose metric screw threads. Part 1. Principles and basic data)

ISO 3269:2000 Fasteners — Acceptance inspection (Fasteners. Acceptance inspection)

ISO 4042:1999 Fasteners — Electroplated coatings (Fasteners. Electroplated coatings)

ISO 4759-1:2000 Tolerances for fasteners — Part 1: Bolts, screws, studs and nuts — Product grades A, B and C (Fasteners. Tolerances. Part 1. Bolts, screws, studs and nuts. Product grades A, B and C)

ISO 8992:2005 Fasteners — General requirements for bolts, screws, studs and nuts (Fasteners. General requirements for bolts, screws, studs and nuts)

ISO 10683:2000 Fasteners — Non-electrolytically applied zinc flake coatings (Fasteners. Non-electrolytically applied zinc flake coatings)

ISO 10684:2004 Fasteners — Hot dip galvanized coatings (Fasteners. Hot-dip galvanized coatings)

3 Dimensions

Nut dimensions are given in Figure 1 and Tables 1 and 2.

Symbols and descriptions of dimensions are in accordance with ISO 225.

Table 1

Thread D		M5	M6	M8	M10	M12	M16	M20
ra		0.8	1	1.25	1.5	1.75	2	2.5
	min	6.70	8.70	11.50	14.50	16.50	22.00	27.70
e	min	8.63	10.89	14.20	17.59	19.85	26.17	32.95
m	max	5.60	6.40	7.90	9.50	12.20	15.90	19.00
	min	4.40	4.90	6.40	8.00	10.40	14.10	16.90
mw	min	3.50	3.70	5.10	6.40	8.30	11.30	13.50
S	nom. = max	8.00	10.00	13.00	16.00	18.00	24.00	30.00
	min	7.64	9.64	12.57	15.57	17.57	23.16	29.16

End of Table 1

In millimetres

Thread D		M24	M30	M36	M42	M48	M56	M64
ra		3	3.5	4	4.5	5	5.5	6
	min	33.30	42.80	51.10	60.00	69.50	78.70	88.20
e	min	39.55	50.85	60.79	71.30	82.60	93.56	104.86
m	max	22.30	26.40	31.90	34.90	38.90	45.90	52.40
	min	20.20	24.30	29.40	32.40	36.40	43.40	49.40
mw	min	16.20	19.40	23.20	25.90	29.10	34.70	39.50
S	nom. = max	36.00	46.00	55.00	65.00	75.00	85.00	95.00
	min	35.00	45.00	53.80	63.10	73.10	82.80	92.80
a P — thread pitch

Thread D		M14	M18	M22	M27	M33	M39	M4S	M52	M60
rl		2	2.5	2.5	3	3.5	4	4.5	5	5.5
	min	19.20	24.90	31.40	38.00	46.60	55.90	64.70	74.20	83.40
e	min	22.78	29.56	37.29	45.20	55.37	66.44	76.95	88.25	99.21
m	max	13.90	16.90	20.20	24.70	29.50	34.30	36.90	42.90	48.90
	min	12.10	15.10	18.10	22.60	27.40	31.80	34.40	40.40	46.40
mvt	min	9.70	12.10	14.50	18.10	21.90	25.40	27.50	32.30	37.10
$	nom. = max	21.00	27.00	34.00	41.00	50.00	60.00	70.00	80.00	90.00
	min	20.16	26.16	33.00	40.00	49.00	58.80	68.10	78.10	87.80
a P — thread pitch

Table 3

In millimetres

Technical requirements and referenced standards

Material		Steel
General requirements	Standard designation	ISO 8992
Thread	Tolerances	7H
	Standard designation	ISO 724, ISO 965-1
Mechanical properties	Property class	M5<D<M39:5 D > M39: by agreement
	Standard designation	D < M39: ISO 898-2 D > M39: by agreement (see ISO 898-2:2012, Annex A)
Tolerances	Product grade	C
	Standard designation	ISO 4759-1
Finish — coating		Plain (uncoated) Requirements for electroplated coatings per ISO 4042 Requirements for non-electrolytic zinc flake coatings per ISO 10683 Requirements for hot-dip galvanized coatings per ISO 10684 Additional requirements or other finish or coating shall be agreed between the supplier and the customer
Acceptance		Acceptance inspection per ISO 3269

4 Designation

Example — a hexagon nut, style 1, with M12 thread and property class 5 is designated as follows:

Hexagon nut GOST ISO 4034 — M12 — 5

Annex DA

(informative)

Information on the conformity of interstate standards to referenced international standards

Table DA.1 — Information on the conformity of interstate standards to referenced international standards of a different edition year

Designation of the referenced international standard	Designation and title of the international standard of a different edition year	Degree of conformity	Designation and title of the interstate standard
ISO 225:2010 Fasteners. Bolts, screws, studs and nuts. Symbols and descriptions of dimensions.
ISO 724:1993 ISO general-purpose metric screw threads. Basic dimensions		MOD	GOST 24705-2004 (ISO 724:1993)* Basic standards of interchangeability. Metric screw thread. Basic dimensions
ISO 898-2:2012 Mechanical properties of fasteners. Part 2. Nuts with specified proof load values. Coarse thread		IDT	GOST ISO 898-2^ Mechanical properties of fasteners made of carbon steel and alloy steel. Part 2. Nuts with specified property classes with coarse thread and fine pitch thread
ISO 965-1:2013 ISO general-purpose metric screw threads. Tolerances. Part 1. Principles and basic data	ISO 965-1:1998 ISO general-purpose metric screw threads. Tolerances. Part 1. Principles and basic data	MOD	GOST 16093-2004 (ISO 965-1:1998, ISO 965-3:1998)* Basic standards of interchangeability. Metric screw thread. Tolerances. Clearance fits (ISO 965-1:1998, MOD)
ISO 3269:2000 Fasteners. Acceptance inspection	—	IDT	GOST ISO 3269 Fasteners. Acceptance inspection
ISO 4042:1999 Fasteners. Electroplated coatings	—	IDT	GOST ISO 4042 Fasteners. Electroplated coatings
ISO 4759-1:2000 Fasteners. Tolerances. Part 1. Bolts, screws, studs and nuts. Product grades A, B and C		IDT	GOST ISO 4759-1 Fasteners. Tolerances. Part 1. Bolts, screws, studs and nuts. Product grades A, B and C
ISO 8992:2005 Fasteners. General requirements for bolts, screws, studs and nuts		IDT	GOST ISO 8992 Fasteners. General requirements for bolts, screws, studs and nuts

End of Table DA.1

Designation of the referenced international standard	Designation and title of the international standard of a different edition year	Degree of conformity	Designation and title of the interstate standard
ISO 10683:2000 Fasteners. Non-electrolytically applied zinc flake coatings	—	—	« 1)
ISO 10684:2004 Fasteners. Hot-dip galvanized coatings		IDT	GOST ISO 10684 Fasteners. Hot-dip galvanized coatings
* The technical deviations introduced ensure compliance with the requirements of this standard. ** The corresponding interstate standard is not available. Until its adoption, it is recommended to use a Russian translation of this international standard or a national standard (state standard) of the country where this standard is applied that is harmonized with it. Information on the availability of a translation of this international standard in the national fund of standards or elsewhere, as well as information on the application within the country of the corresponding national (state) standard, may be provided in national informational data supplementing this standard. Note — This table uses the following designations for the degree of conformity of standards: IDT — identical standards; MOD — modified standards.

Equivalent to ISO 4034.