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Discontinued Products

OCHIAI Washers / lock washers

Data to be displayed: 30; 45; 60

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?* Information on days to ship and prices

Promotional pricing

Wave Washer

OCHIAI

Generates a load by bending a flat washer into an arch-like shape. Obtain higher loads over bent washers.

Volume Discount

Starting from^∗ ：	0.13 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

Wave Washer for Bearings

OCHIAI

Generates pressure with flat washers that have been bowed. Reduces vibration and noise by preloading the bearing.

Volume Discount

Starting from^∗ ：	0.16 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Specialized Wave-Shaped Washers

Specialized Wave-Shaped Washers【1-1,000 Pieces Per Package】

OCHIAI

[Type] Spring Washer
[Materials] Steel
[Inner diameter d (mm)] 9
[Thickness t (mm)] 0.3
[Sales unit] Box/package
[Materials] Steel S65C
[Type]Spring Washer, Wave Washer
[Outer diameter D (mm)] 15

Volume Discount

Starting from^∗ ：	1.63 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Promotional pricing

Folder Toothed Washer, Outside Tooth Profile

OCHIAI

[Type] Toothed washer, chrysanthemum shape
[Sales unit] Box/package
[Inner diameter d (mm)] 3.2 4.3 5.3 6.4 8.4 10.5
[Nominal Thread (M)] 3 4 5 6 8 10
[Thickness t (mm)] 0.45 0.6 0.8 0.9
[Materials]Steel, S65C
[Surface treatment](Details) Phosphate coating
[Outer diameter D (mm)] 6.5 8.5 10 11 15 18

Volume Discount

Starting from^∗ ：	0.02 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

Toothed Lock Washer, Externally Toothed Type

OCHIAI

[Type] Toothed washer (star washer)
[Sales unit] Box/package
[Materials] S65C, phosphor bronze
[Inner diameter d (mm)] 2.2 2.5 3.2 3.7 4.3 5.3 6.4 8.4 9.8 10.5 12.5 14.5 16.5 19 19.6 21 25 26
[Nominal Thread Designation (M)] 2 2.3 3 3.5 4 5 6 8 10 12 14 16 18 20 24
[Nominal Thread Designation (inch)] 3/8, 3/4, 1
[Thickness t (mm)] 0.3 0.45 0.6 0.8 0.9 1 1.2 1.4 1.6
[Outer diameter D (mm)] 4.8 5.3 6.5 7.5 8.5 10 11 15 17.5 18 19.5 23 26 29 32 38 41

Volume Discount

Starting from^∗ ：	0.11 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

Bent Washer

Bent Washer【1-1,000 Pieces Per Package】

OCHIAI

A flat washer bent into an arch shape.
[Features]
· A flat washer bent into an arch shape that generates load through bending.
· Type: spring washer.
[Applications]
· Ideal for preventing loosening of screws.

Volume Discount

Starting from^∗ ：	0.13 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

Inner Toothed Washer

OCHIAI

[Internal diameters d (mm)] 3, 4, 5, 6, 8, 10, 12, 20
[Thread sizes (M)] 3, 4, 5, 6, 8, 10
[Materials] Steel, phosphor bronze
[Internal diameters d (mm)] 2.7, 3.2, 3.7, 4.3, 4.8, 5.3, 6.4, 7.4, 8.4, 10.5, 12.5, 14.5, 16.5, 19, 21, 23, 25
[Thread sizes (M)] 2.5, 3, 3.5, 4, 4.5, 5, 6, 7, 8, 10, 12, 14, 16, 18, 20, 22, 24
[Thicknesses t (mm)] 0.3, 0.45, 0.5, 0.6, 0.8, 0.9, 1, 1.2, 1.4, 1.6
[Materials] Steel S65C
[External diameters D (mm)] 5.7, 6.5, 7.5, 8.5, 9.5, 10

Volume Discount

Starting from^∗ ：	0.12 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Specialized Inner Toothed Washer

OCHIAI

[Materials] Steel, Phosphor bronze
[Inner diameter d (mm)] 2.7 3.2 3.7 4.3 4.8 5.3 6.4 7.4 8.4 10.5 12.5 14.5 16.5 19 21 23 25
[Nominal Thread (M)] 2.5 3 3.5 4 4.5 5 6 7 8 10 12 14 16 18 20 22 24
[Thickness t (mm)] 0.3 0.45 0.5 0.6 0.8 0.9 1 1.2 1.4 1.6
[Materials]Steel S65C
[Outer diameter D (mm)] 5.7 6.5 7.5 8.5 9.5 10

Volume Discount

Starting from^∗ ：	1.63 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Promotional pricing

Inner / External Toothed Washer

OCHIAI

[Type] Toothed washer, chrysanthemum-shaped
[Materials] Steel
[Sales unit] Box/package
[Materials] Steel S65C
[Inner diameter d (mm)] 3.2 4.3 5.3 6.4 8.4 10.5
[Nominal Thread (M)] 3 4 5 6 8 10
[Thickness t (mm)] 0.45 0.6 0.8 0.9
[Outer diameter D (mm)] 6.5 8.5 10 11 15 18

Volume Discount

Starting from^∗ ：	0.13 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days ：
Type (Application)
Type
Material
Surface Treatment
I.D. d(mm)
Screw Nominal (M)
I.D. d （Inch）
Screw Nominal (inch)
Thickness T(mm)
Sales Unit
Material: Steel
Thickness t （Inch）
Material: Stainless Steel
Surface Treatment (Detailed)
Type, Spring Washers
Type, Toothed Washer
Outer Diameter D （Inch）

	Promotional pricing	Promotional pricing		Promotional pricing	Promotional pricing	Promotional pricing	Promotional pricing		Promotional pricing
Brand	OCHIAI	OCHIAI	OCHIAI	OCHIAI	OCHIAI	OCHIAI	OCHIAI	OCHIAI	OCHIAI
Product Series	Wave Washer	Wave Washer for Bearings	Specialized Wave-Shaped Washers【1-1,000 Pieces Per Package】	Folder Toothed Washer, Outside Tooth Profile	Toothed Lock Washer, Externally Toothed Type	Bent Washer【1-1,000 Pieces Per Package】	Inner Toothed Washer	Specialized Inner Toothed Washer	Inner / External Toothed Washer
Starting from^∗	0.13 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.16 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	1.63 € *Unit price with basic configuration Volume Discount	0.02 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.11 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.13 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.12 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	1.63 € *Unit price with basic configuration Volume Discount	0.13 € Special price *Unit price with basic configuration Promotional pricing Volume Discount
Min. Shipping Days ：	Same day	Same day	6 Days	Same day	Same day	Same day	Same day	6 Days	Same day
Type (Application)	Spring Washers	Spring Washers	-	-	-	Locking	-	-	-
Type	Spring Washers	Spring Washers	Spring Washers	Toothed Washers (Toothed Lock Washers)	Toothed Washers (Toothed Lock Washers)	Spring Washers	Toothed Washers (Toothed Lock Washers)	Toothed Washers (Toothed Lock Washers)	Toothed Washers (Toothed Lock Washers)
Material	Steel	Steel	Steel / Stainless Steel	Steel	Steel	Steel / Stainless Steel / Phosphor Bronze	Steel	Steel	Steel
Surface Treatment	Parker	Parker	-	Parker	-	Parker	Trivalent Chromate	-	-
I.D. d(mm)	4.3 ～ 61.9	8.8 ～ 112.4	6.5 ～ 17.5	3.2 ～ 10.5	2.2 ～ 25	1.7 ～ 15.9	2.7 ～ 25	9.1 ～ 12	3.2 ～ 10.5
Screw Nominal (M)	-	-	-	3 ～ 10	2 ～ 24	-	2.5 ～ 24	-	3 ～ 10
I.D. d （Inch）	-	-	-	-	-	-	-	-	-
Screw Nominal (inch)	-	-	-	-	-	-	-	-	-
Thickness T(mm)	0.2 ～ 0.45	0.15 ～ 0.8	0.15 ～ 0.3	0.45 ～ 0.9	0.3 ～ 1.6	0.1 ～ 0.5	0.3 ～ 1.6	-	0.45 ～ 0.9
Sales Unit	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	Low Quantity (Available beginning with 1 pc.)	Box, Pkg.	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	Low Quantity (Available beginning with 1 pc.)	Box, Pkg.	Box, Pkg.
Material: Steel	EN 1.0601 Equiv.	EN 1.0601 Equiv.	EN 1.0601 Equiv.	EN 1.0601 Equiv.	EN 1.0601 Equiv.	EN 1.0601 Equiv.	EN 1.0601 Equiv.	EN 1.0601 Equiv.	EN 1.0601 Equiv.
Thickness t （Inch）	-	-	-	-	-	-	-	-	-
Material: Stainless Steel	-	-	-	-	-	-	-	-	-
Surface Treatment (Detailed)	Parker	Parker	-	Parker	-	Parker	Trivalent Chromate	-	-
Type, Spring Washers	Wave Washers	Wave Washers	Wave Washers	-	-	Wave Washers / Bent Washers	-	-	-
Type, Toothed Washer	-	-	-	External Teeth Type	-	-	Internal Teeth Type	-	-
Outer Diameter D （Inch）	-	-	-	-	-	-	-	-	-

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Narrow search by specifying spec./dim.

Type (Application)
- Plain Washers
- Spring Washers
- Special Shape
- Locking
- For Fluid
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Type
- Plain Washers
- Spring Washers
- Toothed Washers (Toothed Lock Washers)
- Rosette Washers
- Single/Double Tab Washers
- Nord-lock Washers
- Set Washers
- Tapered Washers
- Spherical Washers
- Ornamental Screws, Ornamental Washers
- Hooked Washers for Jig
- Square Washers
- Flat Washers with Cover
- Seal Washers
- Pawl Washers
- For Corrugated Sheet
- Fall Prevention and loosening Prevention Spring
Images

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Material
- Steel
- Stainless Steel
- Resin
- Titanium Class 2
- Aluminum
- Brass
- Copper
- Ceramics
- Phosphor Bronze
- Titanium Class 1
- Nickel Base Alloy
Clear

Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plated
- Trivalent Chromate
- Bright Chrome Plating
- Zinc Plating
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Parker
- Clear Anodize
- Dacrotized
- Polishing
- Painting, Coating
- Silver/Copper/Tin Plating
- Temper Color
- Passivated
Clear

I.D. d(mm)
0

0.114

0.125

0.141

0.156

0.167

0.172

0.193

0.203

0.252

0.281

0.314

0.344

0.377

0.391

1

1.05

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.75

1.8

2

2.1

2.2

2.25

2.3

2.35

2.4

2.5

2.6

2.7

2.8

2.9

3

3.1

3.15

3.2

3.3

3.4

3.5

3.55

3.6

3.7

3.8

3.9

4

4.1

4.2

4.25

4.3

4.4

4.5

4.7

4.8

5

5.1

5.2

5.25

5.3

5.36

5.4

5.45

5.5

5.8

6

6.1

6.2

6.3

6.4

6.5

6.6

6.8

7

7.1

7.2

7.4

7.5

7.8

8

8.1

8.2

8.3

8.4

8.5

8.6

8.7

8.8

9

9.1

9.4

9.5

9.6

9.8

10

10.1

10.2

10.3

10.4

10.5

10.6

10.7

10.8

11

11.2

11.3

11.4

11.5

11.6

11.8

12

12.1

12.2

12.5

12.6

12.7

13

13.2

13.3

13.5

13.8

14

14.2

14.3

14.4

14.5

14.6

15

15.2

15.5

15.8

15.9

16

16.1

16.2

16.5

16.7

16.9

17

17.5

17.7

17.8

18

18.2

18.3

18.4

18.5

18.7

18.8

18.9

19

19.5

19.6

19.7

19.8

20

20.1

20.2

20.5

20.7

20.9

21

21.4

21.5

21.75

22

22.1

22.5

22.9

23

23.2

23.4

23.5

23.75

24

24.5

24.75

25

25.2

25.3

25.4

25.5

26

26.1

26.4

26.6

26.75

27

27.5

27.75

28

28.2

28.4

28.5

29

29.3

29.75

29.8

30

30.1

30.4

30.5

31

31.2

31.4

31.5

31.9

32

32.5

33

33.5

33.7

33.9

34

34.3

34.4

34.5

35

35.75

35.8

36

36.5

37

37.4

37.5

37.75

38

38.5

39

39.5

39.8

40

40.4

40.5

40.6

41

41.7

42

42.5

43

43.2

44

45

45.8

46

46.2

47

47.2

47.3

47.5

48

49

49.6

50

51

51.4

51.5

51.8

52

53

53.6

54

54.3

55

56

57

57.3

58

59.1

60

61.3

61.9

62

63

63.1

64

64.2

65

66

67.1

68

69

69.5

70

71.1

72

74

75

75.1

78

79.1

79.3

79.7

80

82

83.1

85

86

87.5

88

88.9

90

92

93

95

95.8

99

100

102

105

108.3

110

112.4

115

120

125

130

135

140

150

155

160

170

404

406

408

410

412

414

416

417

418

419

422

427

430

433

436
Drawing

Clear

Screw Nominal (M)
0.5

1

1.2

1.4

1.6

1.7

2

M2

2.3

2.5

2.6

3

M3

3.5

4

M4

4.5

5

M5

5.1

6

M6

7

8

M8

9

10

M10

11

12

M12

13

13.5

14

M14

15

16

M16

17

18

19

20

21

22

23

24

25

26

27

28

30

31

32

33

34

36

37

38

39

41

42

43

44

45

46

47

48

50

51

52

54

55

56

60

64

66

68

70

72

76

80

85

90

95

105

110

115

120

125

130
Clear

I.D. d （Inch）
0.109

0.135

0.148

0.200

0.227

0.260

0.355

0.400

0.416

0.450

0.512

0.525

0.573

0.827

0.894

0.952

1.077

1.202

1.327

1.640
Drawing

Clear

Screw Nominal (inch)
1

1 1/2

1 1/4

1 1/8

1/2

1 3/8

1/4

2

No. 2

3/4

3/8

No. 4

5/8

5/16

No. 6

7/8

7/16

No. 8

9/16

No. 10

No. 12
Clear

Thickness T(mm)
0.031

0.05

0.059

0.1

0.15

0.2

0.25

0.29

0.3

0.4

0.45

0.5

0.55

0.6

0.7

0.8

0.9

1

1.1

1.2

1.25

1.3

1.4

1.5

1.55

1.6

1.75

1.8

1.9

2

2.1

2.2

2.3

2.36

2.4

2.5

2.6

2.7

2.8

2.83

2.85

3

3.2

3.3

3.4

3.5

3.55

3.6

3.7

3.78

3.8

3.95

4

4.1

4.2

4.3

4.5

4.6

4.65

4.7

4.72

4.8

5

5.1

5.2

5.25

5.3

5.4

5.5

5.6

5.8

5.9

6

6.2

6.3

6.4

6.5

6.6

6.8

7

7.05

7.1

7.2

7.5

7.6

7.75

7.9

8

8.2

8.25

8.3

8.5

8.7

9

9.1

9.2

9.3

9.5

9.8

10

10.2

10.4

10.5

10.6

11

11.2

11.8

12

12.5

13

13.1

14

15

15.8

16

17

18

19

20

20.3

21

22

23

24

24.5

25

26

27

28

29

30
Drawing

Clear

Sales Unit
Low Quantity (Available beginning with 1 pc.)

Box, Pkg.
Clear

Material: Steel
EN 1.0038 Equiv.

EN 1.0320 Equiv. (hot coiled)

EN 1.0330 Equiv.

EN 1.0601 Equiv.

EN 1.0715 Equiv.

EN 1.1158 Equiv.

EN 1.1191 Equiv.

EN 1.1203 Equiv.

EN 1.1206 Equiv.

JIS-SWRH

SCM Steel

Spring Steel
Clear

Thickness t （Inch）
0.031

0.042

0.044

0.047

0.055

0.056

0.062

0.073

0.088

0.109

0.115

0.125

0.135

0.219

2

3
Drawing

Clear

Material: Stainless Steel
EN 1.4301 Equiv.

EN 1.4305 Equiv.

EN 1.4325 Equiv.

EN 1.4401 Equiv.

EN 1.4404 Equiv.

EN 1.4462 Equiv.

EN 1.4842 Equiv.

254SMO
Clear

Surface Treatment (Detailed)
- Not Provided
- Black Oxide
- Black Oxide
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Zinc Plating
- Hot Zinc Plating
- Chromate Plating
- Nickel Plating
- Black Nickel Plating
- Chrome Plating
- Parker
- Black Anodized Aluminum
- Dacrotized
- Buffed Surface
- Barrel, Passivated
- Special Chemical Grinding
- GeoMet Coating
- Stainless Steel Coating
- Baked Paint
- Seizure-Against Coating
- Copper Plating
- Tin Plating
- Lafre
- Black Painted
- White Paint
- Tempered Collar
- Other Special Treatment
- Passivated
Clear

Type, Spring Washers
- Standard
- Disc Spring Washers
- Wave Washers
- Serrated Conical Disc Spring Washers
- Bent Washers
Details

Clear

Type, Toothed Washer
- Internal Teeth Type
- External Teeth Type
- Flat Teeth Type
- Internal External Teeth Type
Images

Clear

Outer Diameter D （Inch）
0.250

0.270

0.332

0.334

0.377

0.487

0.645

0.760

0.776

0.869

0.885

0.895

1.260

1.459

1.770

2.020

2.520

2.770

3.270
Drawing

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