Washers with outside diameter ≈ 3 × nominal trhead diameter

Dimensions in mm - source DIN 9021 Withdrawn Publication date: 03-1990   Replaces DIN 9021: 07-1974
Thread size	d nom=min	d1 nom=max	s nom	≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 2.5	2.7	8	0.8	0.28
M 3	3.2	9	0.8	0.349
M3.5
M 4
M 5
M 6
M 7
M 8
M 10
M 12
M 14
M 16
M 18
M 20
M 24
M 30
M 36

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.

Washers with outside diameter ≈ 3/4 × nominal trhead diameter

Dimensions in mm - source UNI 6593 Withdrawn Publication date: 12-1969
Thread size	d nom=min	d1 nom=max	s nom
M 3	3.2	9	0.8
	3.2	12	1
M 4	4.3	12	1
	4.5	12	1.5
	4.3	16	1.5
M 5
	5.3
M 6
	6.5
	6.5
M 7
	7.5
M 8
	78.5
M 9
	9.6
M 10
	10.5
M 12
	13
M 14
	15
	15
M 16
	16.5
M 18
	18.3
	19
	19
M 20
	21.5

The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from UNI - Ente italiano di normazione Via Sannio 2 - 20137 Milano, Italy.
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.

Plain washers - Large series - Part 1: Product grade A

This standard DIN EN ISO 7093-1 specifies the characteristics of plain washers, large series, product grade A, with hardness grades 200 HV and 300 HV, nominal sizes (nominal thread diameter) from 3 mm to 36 mm.

Dimensions in mm - source DIN EN ISO 7093-1 Publication date: 11-2000
Thread size	d nom=min	d1 nom=max	d1 min	s nom	s min	≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 3	3.2	9	8.64	0.8	0.7	0.349
M3.5	3.7	11	10.57	0.8	0.7	0.529
M 4
M 5
M 6
M 8
M 10
M 12
M 14
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 33
M 36

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.

Plain washers - Large series - Part 2: Product grade C

This standard DIN 7093-2 specifies the characteristics of plain washers, large series, product grade C, with hardness grade 100 HV and nominal sizes (nominal thread diameter) from 3 mm to 36 mm.

Dimensions in mm - source Din 7093-2 Publication date: 11-2000
Thread size	d min=nom	d1 max=nom	d1 min	s nom	s min	≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 3	3.4	9	8.1	0.8	0.6	0.345
M 3.5	3.9	11	9.9	0.8	0.6	0.523
M 4
M 5
M 6
M 8
M 10
M 12
M 14
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 33
M 36

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.