Technical data for Single coil spring square washers for screws with cylindrical heads

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This product is regulated by the following standards:

Standard DIN 7980

Attention

This standard has been withdrawn

Single coil spring square washers for screws with cylindrical heads

Dimensions in mm - source DIN 7980 - Withdrawn
Publication Date: 10 - 1987 Supersedes DIN 7980 : 12-1972
Thread size	d1 min	d2 max	s	h	b	≈ weight in kg x1000 pcs
M 3	3.1	5.6	1	2	1	0.105
M 3.5
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

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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Thread size	d1 min	d2 max	b min	b max	s min	s max
M 3	3.1	5.5	1.2	1.4	0.7	0.9
M 3.5	3.6	6	1.2	1.4	0.7	0.9
M 4	4.1	6.95	1.4	1.6	0.8	1
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
M 39
M 42
M 45
M 48


Thread size	d1 min	d2 max	k	b min	b max	s min	s max	h=(2s+2k)±15%
M 3.5	3.6	6.6	0.15	1.2	1.4	0.7	0.9	1.9
M 4	4.1	7.55	0.15	1.4	1.6	0.8	1	2.1
M 5	5.1	9.15	0.15	1.7	1.9	1.1	1.3	2.7
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
M 39
M 42
M 45
M 48

Technical data for Single coil spring square washers for screws with cylindrical heads

This product is regulated by the following standards:

Standard DIN 7980

Standard BS 4464 A

Standard BS 4464 B

Standard BS 4464 BP

Single coil spring square washers for screws with cylindrical heads

Suppliers of Single coil spring square washers for screws with cylindrical heads

Producer of spring spring steel products: washers, pins and stampings

Manufacturer of washers, pins and fasteners for the automotive sector

Manufacturer of disc springs

Manufacturer specialized in washers. Production of 200,000 washers/day. Flat, spring, toothed, square and wave washers, etc...

Manufacturer, exporter and supplier of special washers and sheet metal components.

Manufacturer of standard washers and stamping parts

Manufacturer specialized in all kinds of Plain Washers, Spring and wire washers, Circlips, Copper washers, Aluminum washers, Star washers, Conical star washers, Serrated washers, Conical washers, Spherical washers.

Manufacturer of flat washers, spring washers, toothed washers, contact washers, belleville washers, spring washers, retaining rings, stamping parts.

Distributors of washers

Manufacturer of special washers and stampings

Dimensions in mm - source BS 4464 Table A
Publication Date: 05/1969