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Suppliers of Spring washers, waved and curved

This product is regulated by the following standards:

DIN 137 (Equivalent standards: NF E 27620, UNI 8840) UNI 8840 NF E27-620

Technical data

Standard DIN 137

Equivalent standards:
  • NF E 27620
  • UNI 8840

Spring washers, waved (Type A) and curved (Type B) 

Dimensions for d1 and d2 apply to plane (not domed or undulated) spring washers. Surfaces to be smooth and free of rolling defects and bur. Spring washers are supplied raw. Spring characteristics shall not be reduced by surface protections applied. The material for spring washers shall be spring steel, having a C-content of 0,3-0,45%

Dimensions in mm - source DIN 137 A
Date of publication: 1985  - Norm cancelled without replacement
Thread size

d  min/nom

d1 nom

 h min h max
s nom
 ≈ mass in Kg x 1000 pcs (ρ=7,85 kg/dm3)
M 2
2.2
4.5
0.5
1
 0.3 0.028 
M 2.3
2.5
5
0.5
1
 0.3  0.035
M 2.5
2.8
5.5
0.55
1.1
 0.3  0.041
M 3
3.2
6
0.65
1.3
 0.4  0.063
M 3.5
3.7
7
0.7
1.4
 0.4  0.088
M 4
4.3
8
0.8
1.6
 0.5  0.14
M 5
5.3
10
0.9
1.8
 0.5  0.222
M 6
6.4
11
1.1
2.2
 0.5  0.247
M 7
7.4
12
1.2
2.4
 0.5  0.361
M 8
8.4
15
1.7
3.4
 0.5 0.476 
M 10
10.5
18
2
4
 0.8  1.05

Dimensions in mm - source DIN 137 B
Date of publication: 1985  - Norm cancelled without replacement
Thread size

d  min/nom

d1 nom

 h min h max s min ≈ mass in Kg x 1000 pcs (ρ=7,85 kg/dm3)
M 3
3.2
8
 0.8 1.6
0.5
 0.166 
M 3.5
3.7
8
 0.9 1.8
0.5
  0.154
M 4
4.3
9
 1 2
0.5
  0.193
M 5
5.3
11
 1.1 2.2
0.5
  0.286
M 6
6.4
12
 1.3 2.6
0.5
  0.318
M 7
7.4
14
 1.5 3
0.8
  0.535
M 8
8.4
15
 1.5 3
0.8
  0.76
M 10
10.5
21
 2.1 4.2
1
  2.04
M 12
13
24
 2.5 5
1.2
  3.01
M 14
15
28.0
 3 6
1.6
  5.17
M 16
17
30
 3.2 6.4
1.6
  5.65
M 18
19
34
 3.3 6.6
1.6
  7.35
M 20
21
36
 3.7 7.4
1.6
  8.43
M 22
23
40
 3.9 7.8
1.8
  11.9
M 24
25
44
 4.1 8.2
1.8
  14.5

 

Standard UNI 8840

Curved and undulated spring washers. Normal series.

Dimensions in mm - source UNI 8840 Typ A
Date of publication: 04/1985
Thread size

d  min/nom

d1 nom

 h min h max
s nom
M 2
2.2
4.5
0.5
1
 0.3
M 2.3
2.4
5
0.5
1
 0.3
M 2.5
2.7
5.5
0.55
1.1
 0.3
M 3
3.2
6
0.65
1.3
 0.4
M 3.5
3.7
7
0.7
1.4
 0.4
M 4
4.3
8
0.8
1.6
 0.5
M 5
5.3
10
0.9
1.8
 0.5
M 6
6.4
11
1.1
2.2
 0.5
M 7
7.4
12
1.2
2.4
 0.5
M 8
8.4
15
1.7
3.4
 0.5

Dimensions in mm - source UNI 8840 Typ A
Date of publication: 04/1985
Thread size

d  min/nom

d1 nom

 h min h max s min
M 3
3.2
8
 0.8 1.6
0.5
M 3.5
3.7
8
 0.9 1.8
0.5
M 4
4.3
9
 1 2
0.5
M 5
5.3
11
 1.1 2.2
0.5
M 6
6.4
12
 1.3 2.6
0.5
M 7
7.4
14
 1.5 3
0.8
M 8
8.4
15
 1.5 3
0.8
M 10
10.5
21
 2.1 4.2
1
M 12
13
24
 2.5 5
1.2
M 14
15
28
 3 6
1.6
M 16
17
30
 3.2 6.4
1.6
M 18
19
34
 3.3 6.6
1.6
M 20
21
36
 3.7 7.4
1.6
M 22
23
40
 3.9 7.8
1.8
M 24
25
44
 4.1 8.2
1.8
M 27 28 50 4.7 9.4 2
M 30 31 56 5 10 2.2
M 33 34 60 5.3 10.6 2.2
M 36 37 68 5.8 11.6 2.5

 

Standard NF E27-620

Spring washers, 2 waves

Full list of Suppliers of Spring washers, waved and curved

UK

Cirteq Limited

Manufacturer of rings, rings for radial assembly, rings for compensating axial play, uniform section snap rings, push-on fix/grip rings,  wire rings, shim and support rings

ISO/TS 16949:2002

South Africa

Fascor

Manufacturer of blind rivets, solid rivets, fully tubular rivets, semi tubular rivets, bifurcated rivets

Japan

Ochiai Co., Ltd

Manufacturer of retaining rings and Prong T-nuts, weld nuts

USA

Willie Washer Manufacturing Corporation

Manufacturer of special washers and stampings

Italy

Filtomatic Fasteners Srl

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

China

Anhui Ningbo Dongbo Fastener Co. Ltd.

Manufacturer of circlips DIN 471, 472

Italy

CCZ srl

Distributor of bushings, wave rings and washers

China

Dongtai City Jianglong Metal Manufacturing Co.Ltd

Biggest factory in China producing stainless steel washers.

Fat washers, spring washers, tooth lock washers and stamping parts.

Materials: 316L ,316S33,1.4462.

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.

China

Hangzhou Chenlong Industry Co.Ltd.

Manufacturer of spring, plain, and waved washers

Afghanistan

Has Hirdavat - Has Baglanti Ele. San. ve Tic A.S.

Distributor of retaining rings, snap rings

Spain

INDUSTRIAS ALZUARAN S.L.

Manufacturer of spring washers and rings, stampings

India

International Industrial Springs IIS

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

China

Jiangsu Sunzo Spring Elasticity Technology Co. Ltd.

Production and sales of disc springs, disc washers, waveform springs, diaphragm springs, special-shaped springs and other high-quality elastic components.

China

Jiashan Weiyue Fastener Co.Ltd.

Manufacturer of standard and special washers

Germany

LANG+MENKE GMBH

Manufacturer of precision products: retaining components, spring washers and stampings

USA

MINNEAPOLIS WASHER & STAMPING INC.

Manufacturer of flat washers standard and specials, UNC/SAE/STD, special washers and stampings

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

UK

ROTORCLIP

Manufacturer of retaining rings, hose clamps and wave springs

Spain

S.A. Sinard

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

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...

UK

Springmasters Ltd

Manufacturer of coil springs and distributor of disc springs, circlips,retaining rings, hose clamps, tool clips, retaining pins and linch pins, push on fasteners, shims and spring washers and split key rings.

India

Suchi Fasteners Pvt Ltd

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

Taiwan

TZONG JI METALS CO. LTD.

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

France

USN Universal sourcing Network SAS

Distributor of washers and snap rings

Afghanistan

Yaren Baglanti Elemanlari

Manufacturer of flat, spring and toothed washers


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