Hexagon nuts with flange

This standard (DIN EN 1661) defines characteristics of hexagon nuts with flange, with thread from M5 to M20, product grade A for thread up to M16 and product grade B for thread larger than M16 and with strength classes 8, 10, 12 and A2-70. The norm is not equivalent to ISO 4161: the key for the nominal size M10 is 16mm in the standard DIN 1661 and 15mm in the standard ISO 4161.

Dimensions in mm - source DIN EN 1661
Publication date: 02/1998
d thread size	P	m min÷max.	dc max.	c  min	s nom	e min
M 5	0.8	4.7÷5	11.8	1	8	8.79
M 6
M 8
M 10
M 12
M 14
M 16
M 20

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.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.

Hexagon nuts with flange

Dimensions in mm - source NF E25-406 Withdrawn Publication date: 12- 1984
d thread size	P	m min÷max.	dc max.	s nom
M 5	0.8	4.7÷5	11.8	8
M 6	1	5.7÷6	14.2	10
M 8
M 10
M 12
M 14
M 16
M 20

Dimensions in mm - source NF E25-406 - 1 Withdrawn Publication date: 12- 1984
d thread size	fine thread 1	fine thread 2	m min÷max.	dc max.	s nom
M 8	1	-	7.64÷8	17.9	13
M 10	1.25	1	9.64÷8	21.8	16
M 12
M 14
M 16
M 20

The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from AFNOR - Association Française de Normalization, 11 Rue Francis de Pressensé, 93210 Saint-Denis, France.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.

Hexagon nuts with flange - Fine pitch thread

This European Standard specifies the characteristics of hexagon nuts with flange, with metric fine pitch thread, with nominal thread diameters from 8 mm up to and including 20 mm, in product grade A for d = 16 mm and product grade B for d ≤ 16 mm and with property classes 8, 10, 12 and A2-70.

Dimensions in mm - source DIN 14218 Publication date: 09-2003
d thread size	m min÷max.	dc max.	c min	s nom	e min
M 8x1	7.64÷8	17.9	1.2	13	14.38
M 10x1-1.25	9.64÷10	21.8	1.5	16	17.77
M 12x1.25-1.5
M 14x1.5
M 16x1.5
M 20x1.5

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.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.

Hexagon nuts with flange

Dimensions in mm - source DIN 6923 Withdrawn Publication date: 06- 1983Â
d thread size	P	m min÷max.	dc max.	s nom
M 5	0.8	4.7÷5	11.8	8
M 6	1	5.7÷6	14.2	10
M 8
M 10
M 12
M 14
M 16
M 20

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.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.