SUNCO Washers / lock washers（Type (Application)：Spring Washers）

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Promotional pricing

Spring Washer, Spring Washer No. 2

Spring Washer, Spring Washer No. 2【1-10,000 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

Starting from^∗ ：	0.02 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Disc Spring, For Heavy Loads, By TAIYO Stainless Spring Co., Ltd.

SUNCO

[Nominal] 4 to 91
[Material] Steel / Stainless steel
[Surface treatment] None

Volume Discount

Starting from^∗ ：	40.82 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Turtle Shell Washer

Turtle Shell Washer【1-600 Pieces Per Package】

SUNCO

Used with a hook bolt when installing corrugated plates, it can reduce the amount of packing.

Volume Discount

Starting from^∗ ：	1.66 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Flat Spring Washer, for JIS B 1251 Type 1 Screws / for Heavy Loads

Flat Spring Washer, for JIS B 1251 Type 1 Screws / for Heavy Loads【1-10,000 Pieces Per Package】

SUNCO

Has a spring counter-force comparable to tightening axial force of bolts, preventing thread loosening caused by vibration and shock. It is possible to obtain a stable tightening axial force without fatiguing the tightening material due to the low pressure applied to the bearing surface.

Volume Discount

Starting from^∗ ：	0.53 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Special-Sized Curved Washer

Special-Sized Curved Washer【1-2,000 Pieces Per Package】

SUNCO

[Materials] Steel, Stainless steel
[Surface treatment] None, bright chromate plating, chromate plating

Volume Discount

Starting from^∗ ：	1.63 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Promotional pricing

Spring Washer for Caps

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

SUNCO

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

Volume Discount

Starting from^∗ ：	0.08 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Split Lock Washer

Split Lock Washer【300-40,000 Pieces Per Package】

SUNCO

[Materials] Steel, Stainless steel
[Surface treatment] None, trivalent chromate, bright chromate plating, chromate plating, nickel plating, silver/copper/tin plating

Starting from^∗ ：	81.94 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Promotional pricing

Spring Washer No. 2, Reverse Winding

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

SUNCO

Spring washer for left screws. 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.

Volume Discount

Starting from^∗ ：	0.10 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

Spring Washer No. 3, for Heavy Loads

Spring Washer No. 3, for Heavy Loads【1-1,500 Pieces Per Package】

SUNCO

For use with heavy loads. The screw has a larger outer diameter than No. 2. A twisted conformation is created, with part of the flat washer cut off. This twisted shape helps prevent loosening or falling if the screw is loosened.

Volume Discount

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

*Unit price with basic configuration

No. 2 Insert Spring Washer (Imported)

No. 2 Insert Spring Washer (Imported)【1-1,000 Pieces Per Package】

SUNCO

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

Volume Discount

Starting from^∗ ：	1.64 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

No. 2 Whitworth Spring Washer

SUNCO

[Materials] Stainless steel, phosphor bronze
[Surface treatment] None, nickel plating

Volume Discount

Starting from^∗ ：	8.99 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration


Brand
Product Series
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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					Promotional pricing		Promotional pricing	Promotional pricing
Brand	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO
Product Series	Spring Washer, Spring Washer No. 2【1-10,000 Pieces Per Package】	Disc Spring, For Heavy Loads, By TAIYO Stainless Spring Co., Ltd.	Turtle Shell Washer【1-600 Pieces Per Package】	Flat Spring Washer, for JIS B 1251 Type 1 Screws / for Heavy Loads【1-10,000 Pieces Per Package】	Special-Sized Curved Washer【1-2,000 Pieces Per Package】	Spring Washer for Caps【1-5,000 Pieces Per Package】	Split Lock Washer【300-40,000 Pieces Per Package】	Spring Washer No. 2, Reverse Winding【1-2,000 Pieces Per Package】	Spring Washer No. 3, for Heavy Loads【1-1,500 Pieces Per Package】	No. 2 Insert Spring Washer (Imported)【1-1,000 Pieces Per Package】	No. 2 Whitworth Spring Washer
Starting from^∗	0.02 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	40.82 € *Unit price with basic configuration Volume Discount	1.66 € *Unit price with basic configuration Volume Discount	0.53 € *Unit price with basic configuration Volume Discount	1.63 € *Unit price with basic configuration Volume Discount	0.08 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	81.94 € *Unit price with basic configuration	0.10 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.11 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	1.64 € *Unit price with basic configuration Volume Discount	8.99 € *Unit price with basic configuration Volume Discount
Min. Shipping Days ：	Same day	6 Days	6 Days	6 Days	6 Days	Same day	7 Days	Same day	Same day	6 Days	7 Days
Type (Application)	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers
Type	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers	Spring Washers
Material	Steel / Stainless Steel / Titanium Class 2 / Phosphor Bronze	Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel	Phosphor Bronze
Surface Treatment	Not Provided / Electroless Nickel Plated / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / Parker / Dacrotized / Painting, Coating / Silver/Copper/Tin Plating	Painting, Coating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating	Not Provided / Trivalent Chromate / Nickel Plating	Not Provided / Bright Chrome Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Dacrotized / Painting, Coating / Silver/Copper/Tin Plating	Not Provided / Nickel Plating / Silver/Copper/Tin Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating	Not Provided / Zinc Plating / Chromate Plating / Painting, Coating / Silver/Copper/Tin Plating	Not Provided
I.D. d(mm)	2.1 ～ 57	46	4 ～ 6	3.2 ～ 31	4 ～ 6	3.1 ～ 56	3.1 ～ 18.2	5.1 ～ 36.5	6.1 ～ 36.5	-	-
Screw Nominal (M)	2 ～ 56	45	4 ～ 6	3 ～ 30	4 ～ 6	3 ～ 56	2.6 ～ 18	5 ～ 36	6 ～ 36	3 ～ 36	-
I.D. d(inch)	-	-	-	-	-	-	-	-	-	-	-
Screw Nominal (inch)	1 ～ 7/16	-	-	-	-	1/2 ～ 3/8	-	-	-	1/2 ～ 3/8	1
Thickness T(mm)	0.5 ～ 10	5	0.8 ～ 1.2	0.5 ～ 5	0.6 ～ 1	1 ～ 7	0.7 ～ 3.2	1.3 ～ 9	1.9 ～ 11	-	-
Sales Unit	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	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.) / Box, Pkg.	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.) / Box, Pkg.	Low Quantity (Available beginning with 1 pc.)
Material: Steel	JIS-SWRH	EN 1.1203 Equiv.	EN 1.0330 Equiv.	EN 1.1206 Equiv.	EN 1.0330 Equiv.	JIS-SWRH	JIS-SWRH	JIS-SWRH	JIS-SWRH	JIS-SWRH	-
Thickness t(inch)	-	-	-	-	-	-	-	-	-	-	-
Material: Stainless Steel	EN 1.4301 Equiv. ～ EN 1.4842 Equiv.	EN 1.4301 Equiv.	EN 1.4301 Equiv.	EN 1.4301 Equiv.	EN 1.4301 Equiv.	EN 1.4301 Equiv.	EN 1.4301 Equiv.	EN 1.4301 Equiv.	EN 1.4301 Equiv.	EN 1.4301 Equiv.	-
Surface Treatment (Detailed)	Copper Plating / Lafre / Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / Parker / Dacrotized / GeoMet Coating / Stainless Steel Coating	Black Baked Paint	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Not Provided / Trivalent Chromate / Nickel Plating	Not Provided / Bright Chrome Plating	Tin Plating / Black Painted / Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating / Chrome Plating / Dacrotized	Copper Plating / Not Provided / Nickel Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating	Copper Plating / Black Painted / Not Provided / Hot Zinc Plating / Chromate Plating	Not Provided
Type, Spring Washers	Standard	Disc Spring Washers	Disc Spring Washers	Disc Spring Washers	Disc Spring Washers	Standard	Wave Washers	Standard	Standard	Standard	Standard
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
- 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
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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

Clear

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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SUNCO Washers / lock washers（Type (Application)：Spring Washers）

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Type (Application)

Type

Material

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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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