Technical data for High-strength structural bolting assemblies for preloading - - Part 7: System HR - Countersunk head bolt and nut assemblies

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This product is regulated by the following standards:

Standard DIN EN 14399 7

Equivalent standards

UNI EN 14399 7
NF EN 14399 7
BS EN 14399 7

High-strength structural bolting assemblies for preloading - - Part 7: System HR - Countersunk head bolt and nut assemblies

Bolts - dimensions in mm - source DIN EN 14399 7 Pubblication date 06/2019 Supersedes DIN EN 14399 7 03/2008
d thread size	P	b l<=125	b l>125 <=200	b l>200	dk min÷max	k nom.	i min÷max	ds min÷max	n min÷max	t min÷max
M 12	1.75	30	-	-	23.16÷24	8	15.5÷16.5	11.3÷12.7	2.5÷3	3÷4.5
M 14	2	34	40	-	27.16÷28	9	18.5÷19.5	13.3÷14.7	2.5÷3	3÷4.5
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 36

Nuts - dimensions in mm - source EN 14399-7 Publication date : 06/2019 Supersedes DIN EN 14399 7 03/2008
d thread size	Pitch	dw min	s nom	e min	m max	m min	c max
M 12	1.75	20.1	22	23.91	10.8	10.37	0.8
M 14	2	21.86	24	27.12	12.8	12.1	0.8
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 36

Bolts - dimensions in mm - source EN 14399-7 Publication date: 03/ 2008
d thread size	P	b l<=125	b l>125 <=200	b l>200	dk min÷max	k nom.	i min÷max	ds min÷max	n min÷max	t min÷max
M 12	1.75	30	-	-	23.16÷24	8	15.5÷16.5	11.3÷12.7	2.5÷3	3÷4.5
M 16	2	38	44	-	31.16÷32	10	21.5÷22.5	15.3÷16.7	2.5÷3	3÷4.5
M 20
M 22
M 24
M 27
M 30
M 36

Nuts - dimensions in mm - source EN 14399-7 Publication date: 03/ 2008
d thread size	Pitch	dw min	s nom	e min	m max	m min	c max
M 12	1.75	20.1	22	23.91	10.8	10.37	0.8
M 14	2	21.86	24	27.12	12.8	12.1	0.8
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 36

Table 1 - Systems of bolt/nut/washer assemblies
Description	Bolt/nut/washer assembly System HR - Garniture aus Schrauben/Muttern und Scheiben System HR - Assieme bullone/dado/rondella sistema HR	Bolt/nut/washer assembly System HV - Garniture aus Schrauben/Muttern und Scheiben System HV - Assieme bullone/dado/rondella sistema HV
General requirements Allgemeine Anforderungen Requisiti generali	EN 14399-1
Bolt/nut assembly - Garnitur aus Schraube und Mutter - assieme bullone/dado	EN 14399-3	EN 14399-4
Marking - Kennzeichnung - Marcatura
Property classes - Festigekeitklasse - Classi di resistenza
Washers - Scheiben - Rondelle
Marking - Kennzeichnung - Marcatura
Suitability test for preloading - Eignungsprüfung für das Vorspannen - Prova di idoneità all'impiego

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH,Burggrafenstraße 6, 10787 Berlin, Germany.
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Technical data for High-strength structural bolting assemblies for preloading - - Part 7: System HR - Countersunk head bolt and nut assemblies

This product is regulated by the following standards:

Standard DIN EN 14399 7

High-strength structural bolting assemblies for preloading - - Part 7: System HR - Countersunk head bolt and nut assemblies

Suppliers of High-strength structural bolting assemblies for preloading - - Part 7: System HR - Countersunk head bolt and nut assemblies

Distributor of high tensile screws and nuts in stainless steel and alloy steel

Importer/producer of high strength bolting assemblies BS EN 14399 and BS EN 15048

Manufacturer and distributor of standard fasteners and HV fastener sets.

Manufacturer of cold and hot forged high-quality fastening systems for wind power industry, automotive industry, building and steel construction, tunnel and bridge construction

Manufacturer of high tensile fasteners, sizes from M16 to M64 for oil and gas industry, heavy engineering industries, railways, construction industries, etc..

Manufacturer of high-strength structural bolting assemblies

Manufacturer of hot forged fasteners in stainless steel, carbon steel and duplex. Hish strength bolting with sizes up to M80. Nuts to M100.

Manufacturer of hot forged special fasteners and high strenght fasteners EN 14399 and EN 15048.

Manufacturer of high tensile fasteners

Manufacturer of hot forged fasteners, bolt joints EN 14399 and EN 15048. Distributor of standard fasteners