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Suppliers of Serrated lock washers: external form A, internal form J, form V

This product is regulated by the following standards:

DIN 6798 UNI 8842 NF E27-624 NF E27-625 NF E27-627 NF E25-512

Technical data

Standard DIN 6798

Serrated lock washers: external form A, internal form J

Dimensions in mm : source DIN 6798  Withdrawn
Publication date 07/1988 - Supersedes DIN 6798: 08/1971
Thread size
 Form A Form J Form V
d1 min=nom
d2 max=nom
s nom
 Nr. of teeth d1 min=nom d2 max=nom s nom Nr. of teeth d1 min=nom d2 max=nom s nom Nr. of teeth
M 1.6
1.7
3.6
0.3
9
1.7
3.6
0.3
7
-
-
-
-
M 2
2.2
4.5
0.3
9
2.2
4.5
0.3
7
2.2
4.2
0.2
10
M 2.5
2.7
5.5
0.4
9
2.7
5.5
0.4
7
2.7
5.1
0.2
10
M 3
3.2
6
0.4
9
3.2
6
0.4
7
3.2
6
0.2
12
M3.5
3.7
7
0.5
10
3.7
7
0.5
8
3.7
7
0.25
12
M 4
4.3
8
0.5
11
4.3
8
0.5
8
4.3
8
0.25
14
M 5*
5.1
9
0.5
11
5.1
9
0.5
8
-
-
-
-
M 5
5.3
10
0.6
11
5.3
10
0.6
8
5.3
9.8
0.3
14
M 6
6.4
11
0.7
12
6.4
11
0.7
9
6.4
11.8
0.4
16
M 7
7.4
12.5
0.8
14
7.4
12.5
0.8
10
-
-
-
-
M 8*
8.2
14
0.8
14
8.2
14
0.8
10
-
-
-
-
M 8
8.4
15
0.8
14
8.4
15
0.8
10
8.4
15.3
0.4
18
M 10
10.5
18
0.9
16
10.5
18
0.9
12
10.5
19
0.5
20
M 12
13
20.5
1
16
13
20.5
1
12
13
23
0.5
26
M 14
15
24
1
18
15
24
1
14
15
26.2
0.5
28
M 16
17
26
1.2
18
17
26
1.2
14
17
30.2
0.6
30
M 18
19
30
1.4
18
19
30
1.4
14
 - - - -
M 20
21
33
1.4
20
21
33
1.4
16
 -   - -
M 22
23
36
1.5
20
23
36
1.5
16
 - - - -
M 24
25
38
1.5
20
25
38
1.5
16
 - - - -
M 27
28
44
1.6
22
28
44
1.6
18
 - - - -
M 30
31
48
1.6
22
31
48
1.6
18
 - - - -

* for hexagon screws only

Dimensions in mm : source DIN 6798
Publication date: 1988 ≈ weigths
Thread size
 
d1 min nom
 Form A Form J Form V
≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 1.6
1.7
0.02
0.02
 -
M 2
2.2
0.03
0.03
0.025
M 2.5
2.7
0.045
0.045
0.03
M 3
3.2
0.06
0.06
0.04
M3.5
3.7
0.11
0.11
0.075
M 4
4.3
0.14
0.14
0.1
M 5*
5.1
 - - -
M 5
5.3
0.28
0.28
0.2
M 6
6.4
0.36
0.36
0.3
M 7
7.4
0.5
0.5
 -
M 8*
8.2
 - - -
M 8
8.4
0.8
0.8
0.5
M 10
10.5
1.25
1.25
1
M 12
13
1.6
1.6
1.5
M 14
15
2.3
2.3
1.9
M 16
17
2.9
2.9
2.3
M 18
19
5
5
 -
M 20
21
6
6
 -
M 22
23
7.5
7.5
 -
M 24
25
8
8
 -
M 27
28
12
12
 -
M 30
31
14
14
 -

Standard UNI 8842

Serrated lock washers

Dimensions in mm - source UNI 8842 Withdrawn
Publication date: 04/1985

Thread size
Form A
Form J
Form V
d1 min=nom
d2 max=nom
s nom
Nr. of teeth
d1 min=nom
d2 max=nom
s nom

Nr. of teeth
d1 min=nom
d2 max nom
s
Nr. of teeth
M 1.6
1.7
3.6
0.3
 9
1.7
3.6
0.3
 7
-
-
-
-
M 1.8 2 4 0.3 9 2 4 0.3 7 - - - -
M 2
2.2
4.5
0.3
 9
2.2
4.5
0.3
 7
2.2
4.5
0.2
10
M 2.2 2.4 5 0.4 9 2.4 5 0.4 7 - - - -
M 2.5
2.7
5.5
0.4
 9
2.7
5.5
0.4
 7
2.7
5.1
0.2
 10
M 3
3.2
6
0.4
 9
3.2
6
0.4
 7
3.2
6
0.2
 12
M3.5
3.7
7
0.5
 10
3.7
7
0.5
 8
3.7
7
0.25
 12
M 4
4.3
8
0.5
 11
4.3
8
0.5
 8
4.3
8
0.25
 14
M 5
5.3
10
0.6
 11
5.3
10
0.6
 8
5.3
9.8
0.3
 14
M 6
6.4
11
0.7
 12
6.4
11
0.7
 9
6.4
11.8
 0.4 16
M 7
7.4
12.5
0.8
 14
7.4
12.5
0.8
 10 - - - -
M 8
8.4
15
0.8
 14
8.4
15
0.8
 10
8.4
 15.3
0.4
 18
M 10
10.5
18
0.9
 16
10.5
18
0.9
 12
10.5
19
0.5
 20
M 12
13
20.5
1
 16
13
20.5
1
 12
13
23
0.5
 26
M 14
15
24
1
 18
15
24
1
 14
15
26.2
0.6
 28
M 16
17
26
1.2
 18
17
26
1.2
 14
17
30.2
0.6
 30
M 18
19
30
1.4
 18
19
30
1.4
 14
-
-
-
-
M 20
21
33
1.4
 20
21
33
1.4
 16
-
-
-
-
M 22
23
36
1.5
 20
23
36
1.5
 16
-
-
-
-
M 24
25
38
1.5
 20
25
38
1.5
 16
-
-
-
-
M 27
28
44
1.6
 22
28
44
1.6
 18
-
-
-
-
M 30
31
48
1.6
 22
31
48
1.6
 18
-
-
-
-

Standard NF E27-624

Serrated lock washers: external - Flat Shape

This standard gives the main characteristics of flat-shaped serrated lock washers: external, with overlapping outer teeth. These washers are intended to oppose the loosening of screwed fasteners. They can be used under the heads of right-hand threaded screws and nuts, of quality classes less than or equal to 8.8.

Dimensions in mm: source NF E27-624 form A  Withdrawn
The dimensions below refer to the washer not under stress
Publication date 10/1981
Thread size
 Form A
d1 H14
d2 JS15
s nom
 Nr. of teeth
M 2
2.05
4.5
0.3
8
M 2.5
2.55
5.5
0.3
10
M 3
3.05
6
0.4
10
M3.5
3.65
7
0.4
12
M 4
4.10
8
0.5
12
M 4.5
4.60
8.5
0.5
12
M 5
5.10
9.2
0.6
12
M 6
6.10
11
0.7
12
M 7
7.20
12
0.7
14
M 8
8.10
14
0.8
14
M 10
10.20
18
0.9
16
M 12
12.30
20
1
18
M 14
14.30
24
1.1
20
M 16
16.30
26
1.2
20
M 18
18.5
30
 1.4 20
M 20
20.5
32.5
 1.4 22
M 22
23
36
 1.5 24
M 24
24.5
38
 1.5 24
M 27
27.60
44
 1.6 24
M 30
30.6
48
 1.6 26

 

Standard NF E27-625

Serrated lock washers: internal form J

This standard gives the main characteristics of flat-shaped serrated lock washers with overlapping internal teeth. These washers are intended to oppose the loosening of screwed fasteners. They can be used under the heads of right-hand threaded screws and nuts, of quality classes less than or equal to 8.8.

Dimensions in mm: source NF E27-625 form J  Withdrawn
The dimensions below refer to the washer not under stress
Publication date 10/1981
Thread size
 Form J
d1 H14
d2 JS15
s nom
 Nr. of teeth
M1.6 1.65 3.4 0.2 6
M 2
2.05
4.5
0.3
6
M 2.5
2.55
5.5
0.3
8
M 3
3.05
6
0.4
8
M3.5
3.65
7
0.4
8
M 4
4.10
8
0.5
8
M 4.5
4.60
8.5
0.5
8
M 5
5.10
9.2
0.6
8
M 6
6.10
11
0.7
10
M 7
7.20
12
0.7
12
M 8
8.10
14
0.8
12
M 10
10.20
18
0.9
12
M 12
12.30
20
1
14
M 14
14.30
24
1.1
16
M 16
16.30
26
1.2
16
M 18
18.5
30
 1.4 16
M 20
20.5
32.5
 1.4 16
M 22
23
36
 1.5 18
M 24
24.5
38
 1.5 20
M 27
27.60
44
 1.6 20
M 30
30.6
48
 1.6 22

 

Dimensions in mm: source NF E27-625 Form J narrow Withdrawn
The dimensions below refer to the washer not under stress
Publication date 10/1981
Thread size
 Form J NARROW
d1 H14
d2 JS15
s nom
 Nr. of teeth
M 2.5
2.55
4.7
0.3
6
M3.5
3.60
5.7
0.4
8
M 5
5.10
7.2
0.4
10
M 6
6.10
9.1
0.4
10
M 8
8.15
10.8
0.6
12
M 10
10.20
14.2
0.5
12
M 12
12.10
16.9
0.5
16
M 14
14.40
18.6
0.6
18
M 16
16.50
20.7
0.6
18

 

Standard NF E27-627

Serrated lock washers: form V

Dimensions in mm: source NF E27-627 form V  Withdrawn
The dimensions below refer to the washer not under stress
Publication date 10/1982
Thread size
 Form V
d1 H14
d2 JS15
s nom
 Nr. of teeth
M 2
2.1
4.5
0.10
10
M2.5
2.6
5.5
0.20
10
M3  3.1 6 0.20 10
M 4
4.2
8
0.25
14
M 5
5.2
10
0.30
14
M 6
6.3
12
0.30
16
M 8
8.3
15.5
0.40
18
M 10
10.4
19
0.40
20
M 12
12.4
23
0.50
26
M 14
14.4
20.7
0.60
28
M16 16.4 31 0.60 30

 

Standard NF E25-512

Conical Washers Internal Tooth - Symbol CDJ

This document specifies the dimensions and characteristics of conical washers with internal teeth, in carbon steel, of nominal diameter 2.5 mm to 16 mm. It defines the tests to be carried out and the designation. The conical washers with internal teeth are intended for static use in a screwed assembly (screws of quality class 6.8 or 8.8, and corresponding nuts).

Dimensions in mm: source NF E25-512 Withdrawn
 
Publication date 10/1984
d1 nominal diameter
d2 nom
s nom
 h min h max
2.5 6 0.4 0.85 1.2
3 8.5 0.5 1.1 1.5
4 11 0.6 1.4 1.9
4 14 0.8 1.8 2.4
5 12 0.8 1.75 2.3
5 16 1 2.2 3
6 14 0.7 1.75 2.3
6 18 1 2.2 3
7 16 0.8 1.85 2.5
8 17.5 0.9 2 2.7
8 22 1.2 2.55 3.5
10 20 1 2.2 3
10 26 1.4 3 4.1
12 24 1 2.4 3.2
12 32 1.4 3.7 4.8
14 27.5 1.2 2.85 3.8
16 32 1.4 3.3 4.4

Full list of Suppliers of Serrated lock washers: external form A, internal form J, form V

India

B.S. Auto Industries

Manufacturer of washers

China

Hengshun International Trade (H.K.) Co., Ltd

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

UK

J & L SPRINGLOCKWASHER LTD

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

Taiwan

MING SHEANG DETAILED INDUSTRIAL CO., LTD.

Manufacturer specialized in cage nuts, u-nuts, clips and serrated lock washers

Italy

Filtomatic Fasteners Srl

Leading manufacturer of stainless steel washers and compensation rings for ball bearings. Standard and special parts.

Italy

BENERI Spa

Manufacturer of retaining rings for shaftsand bores- Din 47; Din 472 mm and inches. Toothed washers.

Quality certificates: ISO/TS 16949-2009; ISO 9001-2008

China

BSC CORPORATION LTD

Manufacturer of fasteners, specialized in washers and stampings.

Spain

Claudio San Martin S.A.

Manufacturer of plain washers, spring washers, security and toothed washers

Spain

DAMESA (MIKALOR)

Producer of hose clamps, cage nuts, rings, toothed washers and fast fixings

UK

Flat Washer Solutions

Manufacturer of standard and special washers in different materials, with internal diameter from 2.5 up to 80mm.

USA

Freeway Corporation

Manufacturer of metal stampings, washers and component assemblies

Italy

GANDINI Spa

Distributor of retaining rings, Spiral retaining rings, wave springs, Disc springs, Washers, Elastic pins, Pins, Keys, Ground flat/bar stocks, Locking nuts, washers, Miniplast plastic parts, Metallic screws, nuts, bolts.

Germany

Gebr. Großheim OHG

Manufacturer of washers and high quality safety shims. All materials: aluminium, bronze, iron and steel, stainless steel (A2, A4), copper, brass etc.

France

GRIS DÉCOUPAGE

Manufacturer of flat, conical and toothed Washers

Italy

GROWERMETAL

Producer of spring lock, toothed and special washers.

Quality Certificates: ISO 9001; ISO 14001; ISO/TS 16949

Germany

Güde GmbH

Specialised producer of split spring washers and toothed washers

 

India

GUJARAT WASHERS MFG

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

China

Hengshun International Trade (H.K) Co. Ltd

Manufacturer of tab washers, lock washers, plain washers and stampings

India

International Industrial Springs IIS

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

China

Jiangxi Kaixu Automobile Fitting Co. Ltd.

Manufacturer of retaining rings, circlips, snaprings, disc springs, spring pins, keys.

China

JIASHAN JINSHUN METAL PRODUCTS CO.LTD

Manufacturer of washers

China

Jiashan Tengyuan Metal Co. Ltd

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.

China

Jiashan Xiaojia Metal Products Co. Ltd.

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

India

Karam Industries

Manufacturer of standard and special washers

China

Ningbo Yinzhou Zhenhua Stamping Co.Ltd

Manufacturer of washers and stampings

Germany

Paal Unternehmensgruppe

Distributor specialized in rings for shafts, shim washers and disc springs

India

Rajeshwari Lalit Industries

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

Italy

RONDELLIFICIO VALBRENTA SRL

Manufacturer of washers DIN 125, 433, 9021

Germany

Rudolf Rafflenbeul Stahlwarenfabrik GmbH & Co.

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

China

Rui Bo (Suzhou) Machinery& Electronics Co.Ltd

Manufacturer of toothed washers, contact washers.

Spain

S.A. Sinard

Manufacturer of retaining rings, starlock washers, toothed washers, slotted spring pins, quick fixings and special parts

India

Saini Industrial Corporation

Manufacturer of cage nuts, washers, rings and stampings

Germany

Schnorr GmbH & Co. KG

Manufacturer of disc springs

China

Shanghai Shangdian Washer Co.

Manufacturer specialized in washers. Production of 200,000 washers/day.

Flat, spring, toothed, square and wave washers, etc...

India

Special Washers (India) Pvt. Ltd.

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

India

Suchi Fasteners Pvt Ltd

Manufacturer of washers and stamped parts in stainless steel, brass, copper, silicon bronze, aluminum

Afghanistan

Sun Rondela

Manufacturer of standard washers and stamping parts

India

Talco India

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.

China

Technical Stamping(Shanghai) Co. Ltd

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

Taiwan

TZONG JI METALS CO. LTD.

Manufacturer of snap and retaining rings, toothed washers and spring pins. Metric and inch sizes.

Italy

Washers Srl

Manufacturer and distributor of washers

Afghanistan

Yaren Baglanti Elemanlari

Manufacturer of flat, spring and toothed washers

Afghanistan

ZMT Metal

Manufacturers and exporters of any type of washers


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United Kingdom

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Tel: +44 3330 164455

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