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Washers（Surface Treatment：Painting, Coating）

Metal Washers
We have a lineup of nearly all washers circulating in the market, including square or wavy types, as well as flat (round) washers and spring washers.
They are mainly available in small boxes and packs, but we sell many items individually. For customers who are price sensitive, purchasing in small boxes is recommended.
Contact us if you cannot find the desired size.
[Materials]
Iron (steel SCM), stainless steel (SUS304, SUS410, SUS316L), titanium, brass, and many others
[Surface Processing]
None, ferrosoferric oxide coating, electroless nickel plating, trivalent chromate, trivalent black, trivalent white, unichrome plating, chromate plating, chrome plating, nickel plating, anodized, polished, painted, and others
[Nominal Screw Diameter] M (mm), imperial (inch), others
[Thickness] 0.1 to 30 mm

12 items

: 30; 45; 60

Days to Ship	All Same day 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less 11 Day(s) or Less

Steel Flat Washer FFW/FFW-N/FFW-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: 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)

Volume Discount

Standard Price:	SGD 0.35-
Days to Ship:	11 Day(s) or more

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

HIROSUGI-KEIKI

[Internal Diameter] ø3.2/ø4.2/ø5.2/ø6.2/ø8.2/ø10.2/ø12.2/ø16.2
[Material] Stainless steel
[Surface treatment] Degreasing / Micro Black (black coating)
*SUS303: Outer diameter has an SUS303 mark for identification

Standard Price:	SGD 0.39-
Days to Ship:	11 Day(s) or more

On Sale Till 31/03/2025

Spring Lock Washer No. 2

Spring Lock Washer No. 2【1-2,000 Pieces Per Package】

SUNCO

A portion of the flat washer is cut off, with a twisted shape. This twisted shape helps prevent loosening or falling if it is loosened. No. 2 is the most widely available type of spring washer.

Volume Discount

Standard Price:	SGD 4.05-
	Special Price
Days to Ship:	4 Day(s) or more

Spring Washers/Conical Disk

MISUMI

Sizes are M3 to M24. Shipment from 1 pc. is available as needed.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 0.17-
Days to Ship:	Same day or more

Circular Washer JIS Small

SUNCO

[Materials] Steel, Stainless steel, Titanium, Brass
[Surface treatment] None, trivalent chromate, bright chromate plating, zinc plating, chromate plating, nickel plating, chrome plating, Parkerizing, painting, coating

Volume Discount

Standard Price:	SGD 0.03-
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Circular Washer Thin

SUNCO

[Materials] Stainless steel, SUS304, SUS316
[Surface treatment](Details) None, Dacrotized, Geomet-treated, German brown plating, Black paint

Standard Price:	SGD 0.14-
	Special Price
Days to Ship:	4 Day(s) or more

Wave Washer

Wave Washer【1-2,000 Pieces Per Package】

TAIYO STAINLESS SPRING

Stable and gradual loading prevents loosening and rattling. *The CAD data for this series is undergoing revision. This will be available as soon as modifications are complete.

Volume Discount

Standard Price:	SGD 0.14-
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Spring Washer for Caps

SUNCO

[Materials] Steel, Stainless steel
[Surface treatment] None, Trivalent chromate, Bright chromate plating, Nickel plating, Chrome plating, Dacrotized, Painting, Coating, Silver/Copper/Tin plating

Standard Price:	SGD 0.95-
	Special Price
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Spring Washer No. 2, Special-Sized

TOKYO METAL

We offer products from M0.5 to M200.

Volume Discount

Standard Price:	SGD 0.06-
	Special Price
Days to Ship:	4 Day(s) or more

End Lock Washer (8 Lock Washer)

End Lock Washer (8 Lock Washer)【1-500 Pieces Per Package】

SUNCO

[Material] Steel, Stainless steel
[Surface treatment] None, Zinc plating, Paint/coating

Standard Price:	SGD 0.08-
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Whitworth Round Washer

SUNCO

[Materials] Steel, Stainless steel
[Surface treatment] None, Trivalent chromate, Bright chromate plating, Zinc plating, Chromate plating, Nickel plating, Parkerizing, Painting, Coating

Standard Price:	SGD 0.53
	Special Price
Days to Ship:	4 Day(s) or more

No. 2 Insert Spring Washer (Imported)

SUNCO

[Materials] Steel, Stainless steel
[Surface treatment] None, zinc plating, chromate plating, painting, coating, silver/copper/tin plating

Standard Price:	SGD 0.05-
Days to Ship:	4 Day(s) or more


Brand
Product Series
CAD
Days to Ship
Material
Surface Treatment
Inner Dia. d(mm)
I.D. d(inch)
Nominal of Thread (M)
Outer Diameter D(inch)
Type
Type (Application)
Sales Unit
Thickness t(mm)
Thickness t(inch)
Type Spring Washers
Material: Stainless Steel
Surface Treatment (Detailed)
Nominal of Thread (inch)
Material Steel
Type Toothed Washer

			On Sale Till 31/03/2025			On Sale Till 31/03/2025		On Sale Till 31/03/2025	On Sale Till 31/03/2025		On Sale Till 31/03/2025
Brand	HIROSUGI-KEIKI	HIROSUGI-KEIKI	SUNCO	MISUMI	SUNCO	SUNCO	TAIYO STAINLESS SPRING	SUNCO	TOKYO METAL	SUNCO	SUNCO	SUNCO
Product Series	Steel Flat Washer FFW/FFW-N/FFW-B	Stainless Steel Flat Washer UUW/UUW-H/UUW-BH	Spring Lock Washer No. 2【1-2,000 Pieces Per Package】	Spring Washers/Conical Disk	Circular Washer JIS Small	Circular Washer Thin	Wave Washer【1-2,000 Pieces Per Package】	Spring Washer for Caps	Spring Washer No. 2, Special-Sized	End Lock Washer (8 Lock Washer)【1-500 Pieces Per Package】	Whitworth Round Washer	No. 2 Insert Spring Washer (Imported)
CAD				2D / 3D
Days to Ship	11 Day(s) or more	11 Day(s) or more	4 Day(s) or more	Same day or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more
Material	Steel	Stainless Steel	Steel / Stainless Steel	Steel	Stainless Steel	Stainless Steel	Steel	Stainless Steel	Stainless Steel	Steel / Stainless Steel	Stainless Steel	Stainless Steel
Surface Treatment	Painting, Coating	Painting, Coating	Painting, Coating	Painting, Coating	Painting, Coating	Painting, Coating	Painting, Coating	Painting, Coating	Painting, Coating	Painting, Coating	Painting, Coating	Painting, Coating
Inner Dia. d(mm)	3.2 ～ 16.2	3.2 ～ 16.2	3.1 ～ 16.2	3.2 ～ 25.4	2.3 ～ 12.5	8.5 ～ 17	4.3 ～ 13	10.2 ～ 12.2	2.1 ～ 10.2	6.4 ～ 21	14.5	-
I.D. d(inch)	-	-	-	-	-	-	-	-	-	-	-	-
Nominal of Thread (M)	3 ～ 16	3 ～ 16	3 ～ 16	3 ～ 24	2 ～ 12	8 ～ 16	4 ～ 12	10 ～ 12	2 ～ 10	6 ～ 20	-	6 ～ 16
Outer Diameter D(inch)	-	-	-	-	-	-	-	-	-	-	-	-
Type	Flat Washer	Flat Washer	Spring Washer	Spring Washer	Flat Washer	Flat Washer	Spring Washer	Spring Washer	Spring Washer	Tapered Washer	Flat Washer	Spring Washer
Type (Application)	Flat Washer	Flat Washer	Spring Washer	Spring Washer	Flat Washer	Flat Washer	Washer with Threadlocker Adhesive	Spring Washer	Spring Washer	Special Shaped Washer	Flat Washer	Spring Washer
Sales Unit	Box, Pkg.	Box, Pkg.	Box, Pkg.	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.) ～ Box, Pkg.	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	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.)
Thickness t(mm)	0.3 ～ 5	0.1 ～ 5	0.7 ～ 4	0.45 ～ 3.5	0.4 ～ 2.3	1.2 ～ 2	0.15 ～ 0.25	2.5	0.5 ～ 2.5	1.5 ～ 3	2	-
Thickness t(inch)	-	-	-	-	-	-	-	-	-	-	-	-
Type Spring Washers	-	-	Standard	Serrated Conical Disc Spring	-	-	Wave	Standard	Standard	-	-	Standard
Material: Stainless Steel	-	SUS304	SUS304	-	SUS304	SUS304	-	SUS304	-	SUS304	SUS304	SUS304
Surface Treatment (Detailed)	Black Paint	Black Paint	Lafre / GeoMet Coating	Baked Paint	Black Paint	Black Paint / GeoMet Coating	Seizure-Against Coating	Black Paint	Black Paint	Black Paint / GeoMet Coating	GeoMet Coating	Black Paint
Nominal of Thread (inch)	-	-	-	-	-	-	-	-	-	-	1/2	-
Material Steel	S45C ～ SPCC	-	SWRH	S50C	-	-	Spring Steel	-	-	SPCC	-	-
Type Toothed Washer	-	-	-	-	-	-	-	-	-	-	-	-

Configure

Specification/Dimensions

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

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

Inner Dia. d(mm)
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

1.05

1.1

1.3

1.5

1.7

1.75

1.8

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

9.3

9.4

9.6

9.8

10

10.2

10.3

10.5

10.6

10.7

10.8

11

11.2

11.4

11.6

11.8

12

12.2

12.5

12.6

12.7

13

13.2

13.3

13.5

13.8

14

14.2

14.3

14.5

14.6

15

15.2

15.5

15.8

15.9

16

16.2

16.5

16.7

16.9

17

17.5

17.7

17.8

18

18.2

18.3

18.7

18.8

18.9

19

19.5

19.7

19.8

20

20.2

20.7

20.9

21

21.4

21.5

21.7

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

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

61.3

61.9

62

63.1

64.2

65

66

67.1

69

69.5

70

71.1

74

75

75.1

78

79.1

79.3

79.7

83.1

87.5

88.9

95.8

99

108.3

112.4
Drawing

Clear

I.D. d(inch)
0.109

0.141

0.148

0.227

0.291

0.355

0.400

0.416

0.450

0.512

0.573

0.827

0.894

0.952

1.077

1.202

1.327

1.640
Drawing

Clear

Nominal of Thread (M)
0.5

1

1.2

1.4

1.6

1.7

2

2.3

2.5

2.6

3

3.5

4

4.5

5

5.1

6

7

8

9

10

11

12

13

13.5

14

14.5

15

16

17

18

19

20

21

22

23

24

25

26

27

28

30

31

33

34

36

37

38

39

41

42

43

44

45

45.1

45.2

45.3

46

47

48

50

51

52

54

55

55.1

55.2

55.3

56

60

63

64

65.1

65.2

65.5

66

68

70

72

76

80

80.3

85

85.2

85.3

90

95

105

105.1

105.2

105.3

110

110.3

110.4

110.5

110.6

115

120

125

125.1

125.2

125.4

125.5

130

130.2

135.2

135.3

135.4

135.5

135.6

140.3

140.4

145.4

145.5

150.2

150.6

170.2

170.3

170.4

170.5

170.6

180.4

180.5

180.6

210.3

210.4

210.5

210.6

220.5

230.5

235.5

240.5

240.6

255.6

260.4

260.5

330.6
Clear

Outer Diameter D(inch)
0.25

0.270

0.377

0.645

0.698

0.760

0.776

0.869

0.885

1.260

1.459

1.770

2.020

2.250

2.520

2.770

3.270
Drawing

Clear

Type
- Flat Washer
- Spring Washer
- Toothed Washer (Toothed Lock Washer)
- Rosette Washer
- Tab Washer - One-Tabbed / Two-Tabbed
- Nord-Lock Washer
- Tapered Washer
- Spherical Washer
- Ornamental Washer for Ornamental Screws
- Hooked Washer for Jig
- Split Washer for Jig
- Square Washer
- Flat Washer with Cover
- Seal Washer
- Pawl Washer
- Washer for Corrugated Sheet
- Fall Prevention and loosening Prevention Spring
Images

Clear

Type (Application)
- Flat Washer
- Spring Washer
- Special Shaped Washer
- Washer with Threadlocker Adhesive
- Washer for Fluid
Clear

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

Box, Pkg.
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

3

3.2

3.3

3.4

3.45

3.5

3.55

3.6

3.7

3.8

3.9

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

6.6

6.8

7

7.1

7.2

7.5

7.9

8

8.2

8.3

8.7

9

9.1

9.3

9.5

10

11

11.1

11.2

12

14

15

16

17

18

21

22

23

27

30

32

45
Drawing

Clear

Thickness t(inch)
0.031

0.042

0.044

0.045

0.055

0.056

0.067

0.073

0.088

0.109

0.115

0.125

0.135

0.219
Drawing

Clear

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

Clear

Material: Stainless Steel
254SMO

SUS302

SUS303

SUS304

SUS310S

SUS316

SUS316L

SUS329J4L

Stainless Steel
Clear

Surface Treatment (Detailed)
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Hot Zinc Plating
- Chromate Plating
- Nickel Plating
- Black Nickel Plating
- Chrome Plating
- Parkerizing
- Black Anodize
- Dacrotizing
- Barrel, Passivated
- Special Chemical Grinding
- GeoMet Coating
- Baked Paint
- Seizure-Against Coating
- Copper Plating
- Tin Plating
- Lafre
- Black Paint
- Temper Color
- Passivated
Clear

Nominal of Thread (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

Material Steel
SUM22L

S25C

S45C

S50C

S55C

S65C

SS400

Carbon Steel

SCM Steel

SPCC

SPHC

SWRH

Spring Steel
Clear

Type Toothed Washer
- Internal Teeth Type
- External Teeth Type
- Star
- Internal External Teeth Type
Images

Clear

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Washers（Surface Treatment：Painting, Coating）

Configure

Specification/Dimensions

Material

Surface Treatment

Inner Dia. d(mm)

I.D. d(inch)

Nominal of Thread (M)

Outer Diameter D(inch)

Type

Type (Application)

Sales Unit

Thickness t(mm)

Thickness t(inch)

Type Spring Washers

Material: Stainless Steel

Surface Treatment (Detailed)

Nominal of Thread (inch)

Material Steel

Type Toothed Washer

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