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Technical data for Split lock washers
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This product is regulated by the following standards:
Standard DIN 127
Attention
This standard has been withdrawn
Split lock washers with tang ends type A and square ends type B
Spring lock washers covered in this standard (DIN 127) are deemed to be spring washers designed for use with bolt/nut assemblies involving fasteners of property class 5.8 or less, as specified in ISO 898 Part 1.
Dimensions in mm - source DIN 127 A & B Withdrawn
Publication date: 10/1987 - Supersedes 12/1970
Nominal size
Thread size
d1 min.
d2 max
b nom
s nom
k
r
h
≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
Type A
Type B
min.
max.
min.
max.
2
M 2
2.1
4.4
0.9
0.5
-
0.1
-
-
1
1.2
0.033
2.2
M 2.2
2.3
4.8
1
0.6
-
0.1
-
-
1.2
1.4
0.05
2.5
M 2.5
2.6
5.1
1
0.6
-
0.1
-
-
1.2
1.4
0.053
3
3.5
4
5
6
7
8
10
12
14
16
18
20
22
24
27
30
36
39
42
45
48
52
56
60
64
68
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. 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.
Standard UNI 1751
Attention
This standard has been withdrawn
Single coil spring washers - Normal series
The standard specifies the dimensions and the technical conditions of supply of the split spring washers to be used as a support element for screws, nuts and bolts of a class not higher than 5.8 with right-hand thread. The purpose of the application is to counter the loosening of a threaded connection due to settling of the support surfaces or thermal expansion.
For this purpose, the user must carefully evaluate the residual elastic force values specified in table 1.
The anti-unscrewing effect is mainly generated by the action of the ends of the washer, with its particular chisel shape, on the relative supporting surfaces.
The use of split spring washers is not recommended in threaded connections subject to forces
perpendicular to its axis.
It should also be avoided for use in connections subject to particularly heavy use (for example in the event of frequent vibrations) or subject to specific safety regulations.
Dimensions in mm - source UNI 1751
Publication date: 01/1988 - Supersedes 12/1970
Thread size
d1
d2 max
b nom
s1 nom
r
k
h1
≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
Type A
Type B
max
min
min.
max.
min.
max.
M 2
2.1
2.4
4.4
0.9
0.5
0.1
-
-
-
1
1.2
0.033
M 2.2
2.3
2.6
4.8
1
0.6
0.1
-
-
-
1.2
1.4
0.05
M 2.5
2.6
2.9
5.1
1
0.6
0.1
-
-
-
1.2
1.4
0.053
M 3
M 3.5
M 4
M 5
M 6
M 7
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
M 52
M 56
M 60
M 64
M 68
M 72
M 80
M 90
M 100
Dimensions in mm-Split lock washers commercial type
Nominal size
Thread size
d
b
s
D
≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
3.2
4.3
5.3
6.4
7.4
8.4
10.5
12.5
15
17
19
21
23
25
28
Dimensions in mm-Split lock washers heavy type
nominal size
thread size
d
b
s
D
≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
3.2
4.2
5.2
6.3
7.3
8.3
10.4
12.4
14.5
16.6
18.6
20.6
22.7
24.7
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.
Standard NF E25-515
Attention
This standard has been withdrawn
Spring lock washers standard series W Symbol
Dimensions in mm - source NF E 25515 regular series - Withdrawn
Publication date: 05-1986
thread size
d1 nom
d2 nom
b nom
s nom
h
M 3
3.5
5.2
1
1
≈2s
M 4
4.5
7.3
1.5
1.5
≈2s
M 5
5.5
8.3
1.5
1.5
≈2s
M 6
6.5
10.4
2
2
≈2s
M 7
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
M 52
M 56
M 60
M 64
M 68
M 72
M 76
M 80
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.
Standard NF E25-516
Attention
This standard has been withdrawn
Single coil spring washers. Small series. Symbol WZ.
Dimensions in mm - source NF E 25516 light series
Publication date: 06-2009
thread size
d1 nom
d2 nom
b nom
s nom
h
M 3
3.5
5.2
1
0.6
≈2s
M 4
4.5
7.3
1.5
1
≈2s
M 5
M 6
M 7
M 8
M 10
M 12
M 14
M 16
M 18
M 20
M 22
M 24
M 27
M 30
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.
Standard NF E25-517
Single coil spring washers - Strong series - Symbol WL
This standard specifies the characteristics of the heavy series split spring lock washers, the normal series and the reduced series are subject respectively to the NF E25-515 and NF E25-516 standards. The tests to be carried out are described in the NF E 25-515 standard.
Dimensions in mm - source NF E25-517
Publication date: 06-2009
Thread size
d1 min.
d1 max
d2≈
b min
b max
s min
s max
h ≈2s
≈ weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
M 3
3.50
3.98
6.20
1.30
1.70
0.80
1.20
2.00
0.18
M 4
M 5
M 6
M 7
M 8
M 10
M 12
M 14
M 16
M 18
M 20
M 22
M 24
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.
Standard BS 4464 B
Spring lock washers
Dimensions in mm - source BS 4464 Table B
Publication Date: 05/1969
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
The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from BSI -The British Standards Institution, 389 Chiswick High Road, London, W4 4AL, UK. 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.
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Split lock washers
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Suppliers of Split lock washers
This product is regulated by the following standards:
We are a manufacturer of tubular rivets (DIN7340), cuttings, end sleeves and plug pins from Slovenia.
We supply to companies from the electro and automotive industry. Of course we have satisfiyed all the requirements for ISO 9001:2015 standard.
We can produce tubular rivets from 1mm to 15mm diameter, made of brass, copper, steel.
CERTIFICATIONS: ISO 9001-2015
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ITALY
A...
Supplier of nuts, bolts and special drawing parts, both forged and turned.
UNI EN ISO 9001:2015 certified company.
CERTIFICATIONS: ISO 9001:2015
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INDIA
A...
Manufacturer of blind rivets, rivet nuts, pneumatic tools and washers. Distributor & importer of fasteners.
CERTIFICATIONS: ISO 9001:2015
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UNITED KINGDOM
A...
Distributor of fasteners
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TAIWAN
A...
Manufacturer of rivets and junction screws
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SOUTH KOREA
A...
Distributor of blind rivets, speed rivets, blind nuts, lock bolts and clinching fasteners
CERTIFICATIONS: ISO 14001-2004
| ISO/TS 16949:2009
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ARGENTINA
A...
Manufacturer of rivets
INFORMATION RESTRICTED TO THE REGISTERED USERS
USA
A...
Manufacturer of solid & blind rivets, blind bolts & installation tooling for the aerospace industry.
INFORMATION RESTRICTED TO THE REGISTERED USERS
CHINA
A...
Manufacturer of spring pins, cotter pins and circlips
INFORMATION RESTRICTED TO THE REGISTERED USERS
ITALY
A...
Manufacturer of special cold forged fasteners, tubular rivets and pins