High strength bolting assemblies for preloading- part 3 - system HR hexagon bolt and nut assemblies

Bolts - dimensions in mm - source DIN 14399-3
Publication date: 03/2006
d thread size	P	b l<=125	b l>125 <=200	b l>200	k nom.	c max	ds min÷max	e min.	s nom/max
M 12	1.75	30	-	-	7.5	0.8	11.3÷12.7	23.91	22
M 14
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 36

Nuts - dimensions in mm - source DIN 14399-3
Publication date: 03/2006
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
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 36

Table 1 - Systems of bolt/nut/washer assemblies
	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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