HIROSUGI-KEIKI Washers / lock washers（Type：Plain Washers）

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Promotional pricing ends 31/12/2024

Stainless Steel Flat Washer UUW / UUW-H / UUW-BH

HIROSUGI-KEIKI

[Material] Stainless steel
[Surface treatment] Degreasing / Micro Black (black coating)
*SUS303: Outer diameter has an SUS303 mark for identification

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Starting from^∗ ：	0.17 €
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Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing ends 31/12/2024

Brass Flat Washer BBW / BBW-C

HIROSUGI-KEIKI

[Material] Thickness (t) 1.0 mm or less: Brass (C2680)
/ Thickness (t) 1.5 mm or more: Brass (C3604BD), cadmium content less than 75 ppm
[Surface treatment] Nickel plating (Ni) / Degreasing

Volume Discount

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

*Unit price with basic configuration

Promotional pricing ends 31/12/2024

Steel Flat Washer FFW / FFW-N / FFW-B

HIROSUGI-KEIKI

[Material] Thickness (t) 1.0 mm or less: Steel plate (SPCC)
Thickness (t) 1.5 mm or more: Carbon steel (S45C)
[Surface treatment] Trivalent chromium chromate / Micro Black (black coating) / Electroless nickel plating (Electroless Ni)

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*Unit price with basic configuration

Promotional pricing ends 31/12/2024

Aluminum Washer AAW / AAW-B

HIROSUGI-KEIKI

[Internal Diameter] ø3.2/ø4.2/ø5.2/ø6.2/ø8.2/ø10.2/ø12.2/ø16.2
[Material] Thickness (t) 1.0 mm or less: Aluminum (A1050) / Aluminum
Thickness (t) 1.5 mm or more: Lead-free, free-cutting aluminum / Aluminum
[Surface treatment] Base material / Black anodized (BAL)

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Starting from^∗ ：	0.24 €
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Flat Washer BW / TIW / UMW

HIROSUGI-KEIKI

[Supported nominal thread diameter (M)] 3/4/5/6/8/10/12

[Pure titanium]
Specific gravity is approximately 60% of that of stainless steel. It also has excellent chemical resistance and especially seawater resistance.
Since titanium is non-magnetic, it can be used for equipment requiring non-magnetic properties such as electronic equipment, semiconductor manufacturing equipment, medical equipment, etc.

Starting from^∗ ：	0.20 €
Min. Shipping Days ：	13 Days

*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 ends 31/12/2024	Promotional pricing ends 31/12/2024	Promotional pricing ends 31/12/2024	Promotional pricing ends 31/12/2024
Brand	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI
Product Series	Stainless Steel Flat Washer UUW / UUW-H / UUW-BH	Brass Flat Washer BBW / BBW-C	Steel Flat Washer FFW / FFW-N / FFW-B	Aluminum Washer AAW / AAW-B	Flat Washer BW / TIW / UMW
Starting from^∗	0.17 € Special price *Unit price with basic configuration Promotional pricing ends 31/12/2024 Volume Discount	0.11 € Special price *Unit price with basic configuration Promotional pricing ends 31/12/2024 Volume Discount	0.11 € Special price *Unit price with basic configuration Promotional pricing ends 31/12/2024 Volume Discount	0.24 € Special price *Unit price with basic configuration Promotional pricing ends 31/12/2024 Volume Discount	0.20 € *Unit price with basic configuration
Min. Shipping Days ：	Same day	Same day	Same day	Same day	13 Days
Type (Application)	Plain Washers	Plain Washers	Plain Washers	Plain Washers	Plain Washers
Type	Plain Washers	Plain Washers	Plain Washers	Plain Washers	Plain Washers
Material	Stainless Steel	Brass	Steel	Aluminum	Stainless Steel / Brass
Surface Treatment	Not Provided / Painting, Coating	Not Provided / Nickel Plating	Trivalent Chromate / Nickel Plating / Painting, Coating	Not Provided / Clear Anodize	Not Provided / Clear Anodize
I.D. d(mm)	1.5 ～ 16.2	1.5 ～ 16.2	1.5 ～ 16.2	2.9 ～ 16.2	3.3 ～ 5.5
Screw Nominal (M)	1.4 ～ 16	1.4 ～ 16	1.4 ～ 16	2.6 ～ 16	3 ～ 5
I.D. d(inch)	-	-	-	-	-
Screw Nominal (inch)	-	-	-	-	-
Thickness T(mm)	0.1 ～ 5	0.1 ～ 5	0.3 ～ 5	0.3 ～ 5	0.5 ～ 0.8
Sales Unit	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.
Material: Steel	-	-	EN 1.0330 Equiv. ～ EN 1.1191 Equiv.	-	-
Thickness t(inch)	-	-	-	-	-
Material: Stainless Steel	EN 1.4301 Equiv. ～ EN 1.4305 Equiv.	-	-	-	EN 1.4401 Equiv.
Surface Treatment (Detailed)	Black Painted / Not Provided	Not Provided / Nickel Plating	Black Painted / Electroless Nickel Plating / Trivalent Chromate	Not Provided / Black Anodized Aluminum	Not Provided / Black Anodized Aluminum
Type, Spring Washers	-	-	-	-	-
Type, Toothed Washer	-	-	-	-	-
Outer Diameter D(inch)	-	-	-	-	-

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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
- Split Washers for Jig
- Square Washers
- Flat Washers with Cover
- Seal Washers
- Pawl Washers
- For Corrugated Sheet
- Fall Prevention and loosening Prevention Spring
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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
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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

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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
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I.D. d(inch)
0.109

0.115

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

1.025

1.077

1.202

1.327

1.640
Drawing

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Screw Nominal (inch)
1

1 1/2

1 1/4

1 1/8

1/2

1 3/8

1/4

2

No. 2

No. 3

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

1.6

1.75

1.8

1.9

2

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.85

3

3.2

3.3

3.4

3.5

3.55

3.6

3.7

3.8

4

4.1

4.2

4.3

4.5

4.6

4.7

4.8

5

5.1

5.2

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

7.1

7.2

7.5

7.6

7.9

8

8.2

8.3

8.5

8.7

9

9.1

9.3

9.5

9.8

10

10.2

10.4

10.5

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

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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
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Thickness t(inch)
0.031

0.042

0.044

0.047

0.055

0.056

0.062

0.073

0.088

0.100

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
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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
- Black Baked Paint
- Tempered Collar
- Other Special Treatment
- Passivated
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Type, Spring Washers
- Standard
- Disc Spring Washers
- Wave Washers
- Serrated Conical Disc Spring Washers
- Bent Washers
Details

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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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Categories related to Washers / lock washers

- Washers / lock washers
- Non-Metal, Plastic

HIROSUGI-KEIKI Washers / lock washers（Type：Plain Washers）

Stainless Steel Flat Washer UUW / UUW-H / UUW-BH

Brass Flat Washer BBW / BBW-C

Steel Flat Washer FFW / FFW-N / FFW-B

Aluminum Washer AAW / AAW-B

Flat Washer BW / TIW / UMW

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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)

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