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Disc Springs（Applied Load：For Heavy Load）

Disc springs are donut-shaped parts used when fastening bolts or nuts. Disc springs are often used as washers, which are called disc spring washers. The disc part around the hole is sloped to make a gentle conical shape. The conical shape is crushed when the bolt is tightened, and action is generated whereby the disc tries to return to its original shape. The objective of the disc spring is to use this action to prevent loosening after the bolt is tightened. These parts are used in fields such as machine tools, press machines and hinges. They are made from materials such as spring steel and stainless steel. Select according to properties such as rust resistance, abrasion resistance or impact resistance. Types are also available that are suitable for light loads or heavy loads.

3 items

: 30; 45; 60

Days to Ship	All Same day 8 Days or Less 9 Days or Less 10 Days or Less

Disc Springs

MISUMI

•Material: 304 Stainless Steel

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MDS Disc Springs【1-1,000 Pieces Per Package】

Heiwa Hatsujo

We classified disc springs with a shaft diameter of the inner guide of 3 mm to 125 mm into 34 types with reference to JIS B 2706 (Disc springs) and JIS B 0901 (Diameter of shafts). We then standardized 136 sizes in total by introducing two outer diameters and two plate thicknesses into these 34 types of applied shaft diameters.

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Disc Spring (Heavy Load)

Ochiai

Generates a load by bending a flat washer into an arch-like shape. A small amount of deflection allows for heavy loads.

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Brand
Product Series
CAD
Days to Ship
Specifications
Applied Load
Material
O.D. D(Ø)
I.D. d(Ø)
Free Height Ho(mm)
Load P1 (at 0.25h)(N)
Load P1 (at 0.50h)(N)
Load P3 (at 0.75h)(N)
Deflection δ
Plate Thickness t(mm)
Total Deflection h(mm)


Brand	MISUMI	Heiwa Hatsujo	Ochiai
Product Series	Disc Springs	MDS Disc Springs【1-1,000 Pieces Per Package】	Disc Spring (Heavy Load)
CAD	2D / 3D
Days to Ship	Same day or more Show Stock Products	Same day or more Show Stock Products	Same day or more Show Stock Products
Specifications	inCAD Components
Applied Load	For Heavy Load	For Heavy Load	For Heavy Load
Material	304 Stainless Steel	Spring Steel	Spring Steel
O.D. D(Ø)	8 ～ 50	6 ～ 250	8 ～ 100
I.D. d(Ø)	4.2 ～ 25.4	3.2 ～ 127	4.2 ～ 51
Free Height Ho(mm)	0.6 ～ 4.1	0.45 ～ 19	-
Load P1 (at 0.25h)(N)	-	55 ～ 89900	-
Load P1 (at 0.50h)(N)	-	103 ～ 164000	-
Load P3 (at 0.75h)(N)	1,109 ～ 921	136 ～ 229000	-
Deflection δ	-	-	-
Plate Thickness t(mm)	0.4 ～ 3	0.3 ～ 12	0.4 ～ 6
Total Deflection h(mm)	0.2 ～ 1.1	0.15 ～ 7.3	0.2 ～ 2.2

Configure

Stock

- Show Stock Products
Clear

Specification/Dimensions

Applied Load
- For Heavy Load
- For Light Load
Clear

Material
- 304 Stainless Steel
- Spring Steel
- Special Steel
Clear

Metric / Inch
- metric
Clear

O.D. D(Ø)
6

8

10

12

12.5

14

16

18

20

22.5

25

28

31.5

34

35.5

40

45

50

56

60

63

70

71

80

90

91

100

112

125

135

150

160

180

200

250
Drawing

Clear

I.D. d(Ø)
3.2

4.2

5.2

6.2

7.2

8.2

9.2

10.2

11.2

12.2

14.2

14.3

16.3

18.3

20.4

22.4

25.4

25.5

28.5

31

35

36

41

46

51

57

61

64

66

71

77

82

92

102

127
Drawing

Clear

Free Height Ho(mm)
0.4

0.45

0.55

0.6

0.7

0.75

0.85

0.9

1

1.05

1.1

1.2

1.25

1.35

1.4

1.45

1.55

1.6

1.7

1.75

1.8

1.87

1.88

2.05

2.1

2.15

2.2

2.25

2.3

2.45

2.5

2.6

2.65

2.75

2.8

3.05

3.1

3.15

3.3

3.4

3.5

3.6

4.1

4.25

4.3

4.41

4.5

4.65

4.9

5.1

5.3

5.6

6

6.3

6.7

7

7.75

8.2

8.5

8.6

8.9

9

9.3

9.4

9.6

10

10.3

10.4

10.5

10.6

10.8

11.1

11.5

12

12.2

12.8

13.5

13.6

13.8

14

16.2

19

19.6
Drawing

Clear

Load P1 (at 0.25h)(N)
29.1

55

55.7

87.5

88.26

101

128

136

141

145

161

188

266

291

326

337

342

402

409

415

496

507

511

593

603

692

698

750

771

894

1300

1304.28

1360

1370

1520

1640

1730

1960

2030

2090

2320

2400

2890

3080

3160

3540

3870

4452.22

4610

4790

4800

4820

5920

5980

6290

6390

8130

9580

12400

13300

15600

16200

16500

17500

17600

18300

18500

18900

21400

21600

22100

22300

33200

33500

33700

34800

41300

42000

49600

53900

54800

71700

89900
Clear

Load P1 (at 0.50h)(N)
48.4

103

155.93

164

170

230

238

252

258

280

345

459

522

582

605

620

690

749

797

844

886

948

952

1120

1210

1280

1340

1390

1430

2324.18

2440

2460

2540

2560

2640

3030

3070

3550

3740

3770

3820

4230

5380

5540

5660

5820

6240

7845.32

8380

8660

9060

9110

10300

10500

11200

11400

15300

15600

23800

24800

25600

26400

27300

30200

30300

30900

31900

32500

33100

35800

36500

38700

39400

39900

60100

64300

65400

65500

65900

78300

79800

90500

95200

105000

139000

164000
Clear

Load P3 (at 0.75h)(N)
1,109

1,180

1,315

1,322

1,380

1,476

1,590

1,600

1,664

1,681

1,810

1,870

2,278

2,474

2,542

3,174

3,290

3,370

3,680

3,770

4,130

4,146

4,490

4,522

5,110

5,460

5,657

6,410

6,697

8,040

10,409

13,400

61

102

133

136

179

209.86

232

234

239

256

274

282

316

333

358

360

373

459

495

572

614

630

648

691

751

766

769

812

896

921

929

981

1020

1040

1120

1140

1180

1340

1380

1550

1590

1720

1810

1870

1950

3060

3157.74

3290

3680

3690

3770

4130

4490

4540

4730

5110

5460

6000

7160

7260

7610

7680

8040

10532.34

11300

12500

12700

13900

15200

16500

18600

22600

32800

34500

34800

36300

37500

39800

39900

42100

43500

43800

43900

47600

48100

51500

53300

55000

56400

81900

93300

94700

96000

96900

111000

117000

138000

154000

203000

229000

274000
Clear

Deflection δ
- 0.75h (mm)
Clear

Plate Thickness t(mm)
0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.1

1.2

1.25

1.5

1.6

1.75

1.8

2

2.25

2.5

3

3.5

4

5

5.5

6

8

9

10

12

14
Drawing

Clear

Total Deflection h(mm)
0.15

0.2

0.25

0.3

0.35

0.4

0.45

0.5

0.55

0.6

0.65

0.68

0.7

0.8

0.9

0.97

1

1.1

1.15

1.3

1.4

1.6

1.65

1.7

1.75

2

2.2

2.3

2.4

2.41

2.5

2.6

2.75

2.8

3.2

3.3

3.4

3.5

3.6

4

4.2

4.5

4.6

4.8

5.1

5.3

5.5

5.6

6.8

7.3
Drawing

Clear