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IMAO CORPORATION Washers / lock washers

Data to be displayed: 30; 45; 60

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?* Information on days to ship and prices

Flat Washer (BJ743)

IMAO CORPORATION

Flat washer. Choose from steel and stainless steel.　

2D / 3D CAD data available

Starting from^∗ ：	2.83 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Spherical Washers (BJ742)

IMAO CORPORATION

Spherical washer made of steel　

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	6.85 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Spherical Washers (BJ742-SUS)

IMAO CORPORATION

Spherical washer made of stainless steel　

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	11.45 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

High Torque Washers (HTW)

IMAO CORPORATION

By putting the bearing in the washer, strong tightening force can be obtained with just a small force.　

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	48.43 €
Min. Shipping Days ：	8 Days

*Unit price with basic configuration

Promotional pricing

Hook-Type Washers for Jigs (SW)

IMAO CORPORATION

Hook-Type Washers for Jigs.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	16.67 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration


Brand
Product Series
CAD
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
Brand	IMAO CORPORATION	IMAO CORPORATION	IMAO CORPORATION	IMAO CORPORATION	IMAO CORPORATION
Product Series	Flat Washer (BJ743)	Spherical Washers (BJ742)	Spherical Washers (BJ742-SUS)	High Torque Washers (HTW)	Hook-Type Washers for Jigs (SW)
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D
Starting from^∗	2.83 € *Unit price with basic configuration	6.85 € *Unit price with basic configuration Volume Discount	11.45 € *Unit price with basic configuration Volume Discount	48.43 € *Unit price with basic configuration Volume Discount	16.67 € Special price *Unit price with basic configuration Promotional pricing Volume Discount
Min. Shipping Days ：	6 Days	6 Days	6 Days	8 Days	Same day
Type (Application)	Plain Washers	Special Shape	Special Shape	Special Shape	Special Shape
Type	Plain Washers	Spherical Washers	Spherical Washers	Plain Washers	Hooked Washers for Jig
Material	Steel / Stainless Steel	Steel	Stainless Steel	Steel	Steel
Surface Treatment	Not Provided / Black Oxide	Black Oxide	Not Provided	Black Oxide	Black Oxide
I.D. d(mm)	6.4 ～ 25	6.4 ～ 25	6.4 ～ 17	6 ～ 12	6.6 ～ 18
Screw Nominal (M)	-	-	-	-	-
I.D. d （Inch）	-	-	-	-	-
Screw Nominal (inch)	-	-	-	-	-
Thickness T(mm)	3 ～ 8	4.3 ～ 15	4 ～ 9.3	8	6 ～ 8
Sales Unit	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)
Material: Steel	EN 1.1191 Equiv. ～ SCM Steel	EN 1.1191 Equiv.	-	SCM Steel	EN 1.1206 Equiv.
Thickness t （Inch）	-	-	-	-	-
Material: Stainless Steel	EN 1.4401 Equiv.	-	EN 1.4305 Equiv.	-	-
Surface Treatment (Detailed)	Not Provided / Black Oxide	Black Oxide	Not Provided	Black Oxide	Black Oxide
Type, Spring Washers	-	-	-	-	-
Type, Toothed Washer	-	-	-	-	-
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
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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

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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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