Technical data for Curved spring lock washers

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This product is regulated by the following standards:

Standard DIN 128

Attention

This standard has been withdrawn

Curved spring lock washers

Spring lock washers covered in this standard DIN 128 are deemed to be spring washers designed for use with bolt/nut assemblies involving fasteners of a property class less then 8.8, as specified in ISO 898 part 1. They are intended to counteract the effect of setting which results in bolt/nut assemblies working loose (see DIN 267 part 26). They do not effectively prevent loosening of the assembly under varying radial load and are designed for use with short bolts predominantly subject to thrust.


Dimensions in mm - source DIN 128 - Withdrawn
Publication date: 10/1994 - Supersedes DIN 128: 10/1978
d Nominal size	Thread size	d min	d1 max	b nom	s nom	h min	r	≈ mass in Kg x 1000 pcs (ρ=7,85 kg/dm3)
2	M 2	2.1	4.4	0.9	0.5	0.7	0.1	0.035
2.5	M 2.5	2.6	5.1	1	0.6	0.9	0.1	0.055
3
3.5
4
5
6
7
8
10
12
14
16
18
20
22
24
27
30
36
42
48
56
64
72
80
90
100


Dimensions in mm - source DIN 128 - Withdrawn
Publication date: 10/1987 - Supersedes DIN 128: 04/1968
Nominal size	Thread size	d min	d1 max	b	s nom	h min	r	≈ mass in Kg x 1000 pcs (ρ=7,85 kg/dm3)
2	M 2	2.1	4.4	0.9	0.5	0.7	0.1	0.035
2.5	M 2.5	2.6	5.1	1	0.6	0.9	0.1	0.055
3
3.5
4
5
6
7
8
10
12
14
16
18
20
22
24
27
30
36
42
48
56
64
72
80
90
100

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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Dimensions in mm - source UNI 8839
Publication date: 10/2013 - Supersedes UNI 8839: 04/1985
d1Nominal size	Thread size	d2 MAX	b nom	s nom	h min	h max	r
2.1	M 2	4.4	0.9	0.5	0.7	0.9	0.1
2.4	M 2.2	4.9	1	0.6	0.9	1.1	0.1
2.6
3.1
3.6
4.1
5.1
6.1
7.1
8.2
10.2
12.2
14.2
16.2
18.2
20.2
22.5
24.5
27.5
30.5
36.5

Technical data for Curved spring lock washers

This product is regulated by the following standards:

Standard DIN 128

Standard UNI 8839

Curved spring lock washers

Suppliers of Curved spring lock washers

Specialised producer of split spring washers and toothed washers

Manufacturer of washers in stainless steel: flat, spring, toothed, wave

Manufacturer of spring washers and cotter pins

Manufacturer of spring, plain, and waved washers

Manufacturer specialized in spring washers in different materials, also with double rings

Manufacturer of lock washers, flat washers, spring and tab washers

Manufacturer of washers, disc springs, wave spring washers, serrated safety washers, Belleville washers, serrated washers & lockrite washers.

Manufacturer of spring lock washers and shakeproof washers. Metric and imperial sizes. Production of wire for spring and retaining rings.

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