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Washers（Material Steel：S45C）

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 0.43-
Days to Ship:	11 Day(s) or more

Taper Washer

MISUMI

Sizes are M6 to M24. Shipment from 1 pc. is available as needed.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 5.05-
Days to Ship:	4 Day(s) or more

Flat Washers (BJ743)

IMAO CORPORATION

Flat washer. Select from steel and stainless steel types.

CAD ：: 3D

Standard Price:	SGD 4.80-
Days to Ship:	Same day or more

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 0.13-
Days to Ship:	Same day or more

S45C High-Tension Round Washer

S45C High-Tension Round Washer【1-2,000 Pieces Per Package】

SUNCO

· Type (application): Plain washer
· Type: Plain washer
· Material: Steel
· Material: Steel, S45C
· Surface treatment: None, trivalent chromate, bright chromate plating, zinc plating, chromate plating
· Inner diameter (mm): 4.5, 5.5, 10.5, 13.5, 15, 17, 18, 22, 24, 26, 34.5, 37.5
· Thread: M4, M5, M10, M13, M15, M17, M18, M22, M24, M26, M34, M37
· Thickness (mm): 1.6, 3.2, 4.5, 5, 6, 8
· Sales unit: Low quantity (available for purchase from 1pc), box and package.
· Surface treatment (details): None, trivalent chromate, trivalent black, trivalent white, bright chromate plating, molten zinc plating, chromate plating

Standard Price:	SGD 0.15-
Days to Ship:	4 Day(s) or more

Spherical Washer (BJ742)

IMAO CORPORATION

Standard spherical washer.
[Features]
· Steel spherical washer.
· Provides stable tightening without being affected by parallelism of workpieces, bolts, etc.
[Applications]
· Can be used as a washer for adjustment when the seating surfaces of the mating member and the bolt do not adhere.

CAD ：: 3D

Standard Price:	SGD 10.34-
Days to Ship:	Same day

HEICO-LOCK Ring Lock Washer

ACCURATE

Ring lock washer ideal for reinforcing screws
[Features]
· Ideal for repeated use
· The wedge lock washers secure bolted connections reliably while the ring holds the two wedge lock washers together in the correct position permanently
· Very easy to install and remove (ring locking system comes pre-assembled)
· Fixes bolts under high or low load conditions
· Both narrow and wide types made from steel or stainless steel are available
· Particularly suitable for dynamic loads. Also suitable for use with lubricants
· Also suitable for use with high-tensile bolts of 8.8, 10.9 and 12.9 and their respective nuts
[Materials]
Wedge lock washer: S45C equivalent / SUS316L equivalent
Ring: Polyamide

CAD ：: 2D / 3D

Standard Price:	SGD 7.34-
Days to Ship:	4 Day(s) or more

Spherical Washer - SQW/SQWS

NABEYA BI-TECH

Use in a concave/convex setup. Supports a maximum base tilt of 2°.

CAD ：: 2D / 3D

Standard Price:	SGD 11.01-
Days to Ship:	Same day or more

S45C High-Strength Round Washer

SUNCO

[Type (application)] Plain Washer
[Type] Plain Washer
[Materials] Steel
[Surface treatment] None
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc)
[Materials]Steel S45C
[Surface treatment](Details) none
[Inner diameter d (mm)] 10 13 17 21 23 25 28 31
[Nominal Thread (M)] 10 13 17 21 23 25 28 31
[Thickness t (mm)] 3.2 4.5 6 8
[Outer diameter (mm)] 22 26 32 40 44 48 56 60

Standard Price:	SGD 0.20-
Days to Ship:	4 Day(s) or more

Spherical Washer RW

KONISHI

[Features]
・ When the tightening surface of bolts and nuts is slanted, stable tightening is possible by using this spherical washer

CAD ：: 2D

Standard Price:	SGD 6.13-
Days to Ship:	4 Day(s) or more

S45C Round Washer 22H

S45C Round Washer 22H【1-800 Pieces Per Package】

SUNCO

[Type (Application)] Plain Washer
[Type] Plain Washer
[Materials] Steel
[Materials]Steel S45C
[Surface Treatment] None, Trivalent Chromate, Uni-Chromate Plating, Zinc Plating, Chromate Plating
[Inner Diameter d (mm)] 8 10 13 15 17 19 21 23 25 28 39 66 70
[Nominal Thread (M)] 8 10 13 15 17 19 21 23 25 28 39 66 70
[Thickness t (mm)] 1.6 2 2.5 3 4 6 9
[Sales Unit] Individual (Available for Purchase as 1pc), Box and Packaging.
[Surface Treatment](Details) None, Trivalent White, Uni-Chromate Plating, Hot-Dip Galvanizing, Chromate Plating, Chromate Plating, Black Chromate
[Outer Diameter (mm)] 17 21 24 28 30 34

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

C Washers (CW)

IMAO CORPORATION

A wire hole is included to prevent the jig split washer from falling off and being misplaced.

[Features]
· Includes a wire-attachment hole for fall-off and loss prevention.

CAD ：: 3D

Standard Price:	SGD 9.26
Days to Ship:	Same day


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


Brand	HIROSUGI-KEIKI	MISUMI	IMAO CORPORATION	SUNCO	SUNCO	IMAO CORPORATION	ACCURATE	NABEYA BI-TECH	SUNCO	KONISHI	SUNCO	IMAO CORPORATION
Product Series	Steel Flat Washer FFW/FFW-N/FFW-B	Taper Washer	Flat Washers (BJ743)	S45C High Tension Washer【1-1,500 Pieces Per Package】	S45C High-Tension Round Washer【1-2,000 Pieces Per Package】	Spherical Washer (BJ742)	HEICO-LOCK Ring Lock Washer	Spherical Washer - SQW/SQWS	S45C High-Strength Round Washer	Spherical Washer RW	S45C Round Washer 22H【1-800 Pieces Per Package】	C Washers (CW)
CAD		2D / 3D	3D			3D	2D / 3D	2D / 3D		2D		3D
Days to Ship	11 Day(s) or more	4 Day(s) or more	Same day or more	Same day or more	4 Day(s) or more	Same day	4 Day(s) or more	Same day or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	Same day
Material	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel
Surface Treatment	Trivalent Chromate / Nickel Plating / Painting, Coating	Trivalent Chromate	Black Oxide	Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Dacrotizing	Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating	Black Oxide	-	Black Oxide	-	Black Oxide	Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating	Black Oxide
Inner Dia. d(mm)	3.2 ～ 16.2	7 ～ 27	6.4 ～ 21	6 ～ 55	4.5 ～ 37.5	6.4 ～ 25	4.4 ～ 25.3	3.5 ～ 13.5	10 ～ 31	6.4 ～ 21	8 ～ 70	10.5
I.D. d(inch)	-	-	-	-	-	-	-	-	-	-	-	-
Nominal of Thread (M)	3 ～ 16	6 ～ 24	-	6 ～ 55	4 ～ 37	-	4 ～ 24	3 ～ 12	10 ～ 31	-	8 ～ 70	-
Outer Diameter D(inch)	-	-	-	-	-	-	-	-	-	-	-	-
Type	Flat Washer	Tapered Washer	Flat Washer	Flat Washer	Flat Washer	Spherical Washer	-	Spherical Washer	Flat Washer	Spherical Washer	Flat Washer	Split Washer for Jig
Type (Application)	Flat Washer	Flat Washer	Flat Washer	Flat Washer	Flat Washer	Special Shaped Washer	Washer with Threadlocker Adhesive	Special Shaped Washer	Flat Washer	Special Shaped Washer	Flat Washer	Special Shaped Washer
Sales Unit	Box, Pkg.	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.)	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.)
Thickness t(mm)	1.5 ～ 5	-	3 ～ 6	2.3 ～ 6	1.6 ～ 8	4.3 ～ 15	-	-	3.2 ～ 8	4.7 ～ 10	1.6 ～ 9	8
Thickness t(inch)	-	-	-	-	-	-	-	-	-	-	-	-
Type Spring Washers	-	-	-	-	-	-	-	-	-	-	-	-
Material: Stainless Steel	-	-	-	-	-	-	-	-	-	-	-	-
Surface Treatment (Detailed)	Black Paint / Electroless Nickel Plating / Trivalent Chromate	Trivalent Chromate	Black Oxide	Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating / Dacrotizing	Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Black Oxide	-	Black Oxide	-	-	Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Black Oxide
Nominal of Thread (inch)	-	-	-	-	-	-	5/8 ～ No. 10	-	-	-	-	-
Material Steel	S45C	S45C	S45C	S45C	S45C	S45C	S45C	S45C	S45C	S45C	S45C	S45C
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（Material Steel：S45C）

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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