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Washers（Surface Treatment (Detailed)：Trivalent Chromate Page2）

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

53 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

On Sale Till 31/03/2025

S45C High Tension Washer

S45C High Tension Washer【1-1,500 Pieces Per Package】

SUNCO

[Features]
·If the mating material is wood, use a round washer for wood with a large outer diameter to prevent sinking.

Volume Discount

Standard Price:	SGD 0.19-
	Special Price
Days to Ship:	3 Day(s) or more

ISO Homer (Heading) Type Round Washer

ISO Homer (Heading) Type Round Washer【3,500 Pieces Per Package】

SUNCO

[Type (application)] Plain Washer
[Type] Plain Washer
[Materials] Steel
[Sales unit] Box/package
[Materials] Steel SPCC
[Surface treatment]Trivalent chromate, Bright chromate plating, Chromate plating
[Inner diameter d (mm)] 6 8 10 12 16 20 22 24
[Nominal Thread (M)] 6 8 10 12 16 20 22 24
[Thickness t (mm)] 1.6 2 2.5 3 4
[Surface treatment](Details) Trivalent white, Bright chromate plating, Chromate plating
[Outer diameter (mm)] 12.5 17 21 24 30 37 39 44

Standard Price:	SGD 152.60
Days to Ship:	3 Day(s) or more

JIS Homer (Heading) Type Round Washer

JIS Homer (Heading) Type Round Washer【100-1,500 Pieces Per Package】

SUNCO

[Type (application)] Plain Washer
[Type] Plain Washer
[Materials] Steel
[Sales unit] Box/package
[Materials] Steel SPCC
[Surface treatment] None, trivalent chromate, bright chromate plating, chromate plating, nickel plating
[Inner diameter d (mm)] 6 8 10 12 13.5 16 20 22 24
[Nominal Thread (M)] 6 8 10 12 13 16 20 22 24
[Thickness t (mm)] 1 1.6 2.3 2.6 3.2 4
[Surface treatment](Details) None, Trivalent white, Bright chromate plating, Chromate plating, Green chromate, Black chromate, Nickel plating
[Outer diameter (mm)] 13 18 22 26 32 40 44 48

Standard Price:	SGD 52.85-
Days to Ship:	3 Day(s) or more

Spring Washer for Pipe Nuts

Spring Washer for Pipe Nuts【1-5,000 Pieces Per Package】

TOKYO METAL

[Type (application)] Spring Washer
[Type] Spring Washer
[Materials] Steel
[Type] Spring Washer, Standard
[Surface treatment] None, trivalent chromate, bright chromate plating, chromate plating, nickel plating
[Nominal Thread (M)] 7 8 9 10 11 12 14 15 16 17 18
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.
[Surface treatment](Details) None, trivalent white, bright chromate plating, chromate plating, nickel plating

Standard Price:	SGD 0.09-
Days to Ship:	3 Day(s) or more

Raised Press-Fit Rosette Washer - Thin Rim

Raised Press-Fit Rosette Washer - Thin Rim【1,000-5,000 Pieces Per Package】

SUNCO

[Materials] Steel Stainless steel Bras
[Surface treatment] None, trivalent chromate, bright chromate plating, nickel plating, chrome plating

Volume Discount

Standard Price:	SGD 29.54-
Days to Ship:	5 Day(s) or more

Raised Rosette Washer (Saw Method)

Raised Rosette Washer (Saw Method)【300-2,000 Pieces Per Package】

SUNCO

· Type (application): Special
[Shape]
· Type: Rosette washer
· Material: Brass
· Surface treatment: Trivalent chromate, chromate plating
· Inner diameter (mm): 3.3, 4.3, 5.3, 6.3, 8.3
· Thread: M3, M4, M5, M6, M8
· Thickness (mm): 2, 2.4, 2.8, 3.3, 4.5
· Sales unit: Low quantity (available for purchase from 1pc), box and package.
· Surface treatment (details): Trivalent chromate, trivalent black, trivalent white, chromate plating
· Outer diameter (mm): 9, 12, 14, 16, 22

Volume Discount

Standard Price:	SGD 194.12-
Days to Ship:	18 Day(s) or more

Raised Rosette Washer (Saw Method, Low Cadmium)

SUNCO

[Type (Application)] Special
[Shape]
[Type] Rosette Washer
[Materials] Brass
[Surface Treatment] None, Trivalent Chromate, Chromate Plating, Nickel Plating, Chromate Plating, Silver/Copper/Tin Plating
[Inner Diameter d (mm)] 3.3 4.3 5.3 6.3 8.3
[Nominal Thread (M)] 3 4 5 5.1 6 8
[Thickness t (mm)] 2 2.4 2.8 3.3 4.5
[Sales Unit] Individual (Available for Purchase as 1pc), Box and Packaging
[Surface Treatment]None, Trivalent Chromate, Trivalent Black, Trivalent White, Black Chromate, Nickel Plating, Chrome Plating, Tin Cobalt
[Outer Diameter (mm)] 9 12 14 16 22

Volume Discount

Standard Price:	SGD 0.28-
Days to Ship:	4 Day(s) or more

Spring Washer BSW/UMSW/USW/TISW/FSW

HIROSUGI-KEIKI

[Supported nominal thread diameter (M)] 2/2.6/3/4/5/6/8/10/12
[Material] Phosphor bronze / Stainless steel / Pure titanium / Steel
[Surface treatment] Nickel plating / Base material / Trivalent chromium chromate / Degreasing

· 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.

Standard Price:	SGD 0.17-
Days to Ship:	7 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
Brand	SUNCO	SUNCO	SUNCO	TOKYO METAL	SUNCO	SUNCO	SUNCO	HIROSUGI-KEIKI
Product Series	S45C High Tension Washer【1-1,500 Pieces Per Package】	ISO Homer (Heading) Type Round Washer【3,500 Pieces Per Package】	JIS Homer (Heading) Type Round Washer【100-1,500 Pieces Per Package】	Spring Washer for Pipe Nuts【1-5,000 Pieces Per Package】	Raised Press-Fit Rosette Washer - Thin Rim【1,000-5,000 Pieces Per Package】	Raised Rosette Washer (Saw Method)【300-2,000 Pieces Per Package】	Raised Rosette Washer (Saw Method, Low Cadmium)	Spring Washer BSW/UMSW/USW/TISW/FSW
CAD
Days to Ship	3 Day(s) or more	3 Day(s) or more	3 Day(s) or more	3 Day(s) or more	5 Day(s) or more	18 Day(s) or more	4 Day(s) or more	7 Day(s) or more
Material	Steel	Steel	Steel	Steel	Steel	Brass	Brass	Steel
Surface Treatment	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate
Inner Dia. d(mm)	6 ～ 45	6.4	8.5 ～ 24.5	-	3 ～ 6	3.3 ～ 8.3	3.3 ～ 6.3	2.1 ～ 5.1
I.D. d(inch)	-	-	-	-	-	-	-	-
Nominal of Thread (M)	6 ～ 45	6	8 ～ 24	8 ～ 16	3 ～ 6	3 ～ 8	3 ～ 6	2 ～ 5
Outer Diameter D(inch)	-	-	-	-	-	-	-	-
Type	Flat Washer	Flat Washer	Flat Washer	Spring Washer	Rosette Washer	Rosette Washer	Rosette Washer	Spring Washer
Type (Application)	Flat Washer	Flat Washer	Flat Washer	Spring Washer	Special Shaped Washer	Special Shaped Washer	Special Shaped Washer	Spring Washer
Sales Unit	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Box, Pkg.	Box, Pkg.	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Box, Pkg.	Box, Pkg.	Low Quantity (Available beginning with 1 pc.)	Box, Pkg.
Thickness t(mm)	2.3 ～ 6	1.6	1.6 ～ 4	-	2.2 ～ 3.2	2 ～ 4.5	2 ～ 3.3	0.5 ～ 1.3
Thickness t(inch)	-	-	-	-	-	-	-	-
Type Spring Washers	-	-	-	Standard	-	-	-	Standard
Material: Stainless Steel	-	-	-	-	-	-	-	-
Surface Treatment (Detailed)	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate
Nominal of Thread (inch)	-	-	-	-	-	-	-	-
Material Steel	S45C	SPCC	SPCC	-	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

27.9

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

8.5

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

65.3

65.5

65.6

66

68

70

70.2

72

76

80

80.3

85

85.1

85.2

85.3

85.6

90

93.2

95

98.3

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

140.5

145.4

145.5

150.2

150.3

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

250.3

255.6

260.4

260.5

260.6

285.4

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

2.85

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

S60C

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 (Detailed)：Trivalent Chromate Page2）

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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