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This standard has been withdrawn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Dimensions in mm - source DIN 7980 - Withdrawn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

Fastener manufacturing company with more than 15 years experience. Production range: all kinds of flat washers, spring washers, toothed washers, square washers, custom special washers. Materials: stainless steel, carbon steel, brass.

Manufacturer of standard and special washers

Manufacturer of stainless steel flat washers, spring washers, square washers, tab washers, toothed lock washers and stamping parts

Manufacturer of flat, spring washers and square washers

Manufacturer of standard and special washers

Manufacturer of Plain Washers, Flat Washers, Spring Washers & Special Sheet Metal & Wire Components, Din 127, Din 125, Din 9021.

Leading manufacturers and distributors of cold rolled coils and fasteners in the northern part of India. In our factory, we produce using up-to-date technology and ultra modern and highly advanced equipment.

Manufacturer of washers and safety devices for fastening

Manufacturer specialized in railway spring washers

Manufacturer of plain, spring, waved, high tensile, square and toothed washers

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