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Discontinued Products

SUNCO Washers / lock washers（Screw Nominal (inch)：3/8）

Data to be displayed: 30; 45; 60

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Shipping Days	All Same day 2 Days or Less 3 Days or Less 4 Days or Less 5 Days or Less 6 Days or Less 7 Days or Less 8 Days or Less 9 Days or Less 10 Days or Less

?* Information on days to ship and prices

Promotional pricing

Spring Washer, Spring Washer No. 2

Spring Washer, Spring Washer No. 2【1-1,000 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^∗ ：	0.14 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

Round Washer, for Wood

Round Washer, for Wood【1-250 Pieces Per Package】

SUNCO

When the target material is wood, using a round washer for wood with a large outer diameter can prevent collapsing.

Volume Discount

Starting from^∗ ：	0.31 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

Whitworth Round Washer

Whitworth Round Washer【1-500 Pieces Per Package】

SUNCO

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

Volume Discount

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

*Unit price with basic configuration

Promotional pricing

Whitworth Round Washer, Thick

Whitworth Round Washer, Thick【1-500 Pieces Per Package】

SUNCO

· Type: Plain washer
· Material: Steel
· Materials: Steel, SPCC
· Surface treatment: None, trivalent chromate, bright chromate plating, zinc plating, chromate plating, nickel plating
· Inner diameter (mm): 10.5, 13.5, 18
· Thread (inch): 3/8, 1/2, 5/8
· Thickness (mm): 2.3, 3.2
· Sales unit: Low quantity (available for purchase from 1pc), box and package.
· Surface treatment (details): None, trivalent white, bright chromate plating, molten zinc plating, chromate plating, chromate plating, green chromate, black chromate, nickel plating
· Outer diameter (mm): 26, 32, 38

Volume Discount

Starting from^∗ ：	1.71 €
	Special price
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Promotional pricing

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

Volume Discount

Starting from^∗ ：	1.76 €
	Special price
Min. Shipping Days ：	7 Days

*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^∗ ：	1.72 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

LOCK ONE -Fall Prevention / Loosening Prevention Spring-

SUNCO

· A new innovation in loosening-prevention products
· Passed tests that employ NAS3350 standard shock-type vibration testing apparatus, providing the ultimate in reliability. Can help to reduce maintenance and inspection work.
· Can be inserted along with a nut into a 12 point socket, allowing work to be completed in a single step. The spring structure allows for smooth installation.
· Made using SUS307J3WPB, allowing it to be used in environments that are potentially corrosive or subject to extreme temperatures.

Volume Discount

Starting from^∗ ：	1.06 €
Min. Shipping Days ：	6 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	Promotional pricing	Promotional pricing	Promotional pricing	Promotional pricing
Brand	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO
Product Series	Spring Washer, Spring Washer No. 2【1-1,000 Pieces Per Package】	Round Washer, for Wood【1-250 Pieces Per Package】	Whitworth Round Washer【1-500 Pieces Per Package】	Whitworth Round Washer, Thick【1-500 Pieces Per Package】	Spring Washer for Caps	No. 2 Insert Spring Washer (Imported)【1-1,000 Pieces Per Package】	LOCK ONE -Fall Prevention / Loosening Prevention Spring-
Starting from^∗	0.14 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.31 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.11 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	1.71 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	1.76 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	1.72 € *Unit price with basic configuration Volume Discount	1.06 € *Unit price with basic configuration Volume Discount
Min. Shipping Days ：	Same day	Same day	Same day	6 Days	7 Days	6 Days	6 Days
Type (Application)	Spring Washers	Plain Washers	Plain Washers	Plain Washers	Spring Washers	Spring Washers	Locking
Type	Spring Washers	Plain Washers	Plain Washers	Plain Washers	Spring Washers	Spring Washers	Fall Prevention and loosening Prevention Spring
Material	Steel / Stainless Steel	Steel	Steel / Stainless Steel	Steel	Steel	Steel / Stainless Steel	-
Surface Treatment	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Chrome Plating / Parker	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating	Not Provided	Not Provided / Zinc Plating / Chromate Plating	Not Provided
I.D. d(mm)	9.8	11	10.5	10.5	-	-	-
Screw Nominal (M)	-	-	-	-	-	-	-
I.D. d(inch)	-	-	-	-	-	-	-
Screw Nominal (inch)	3/8	3/8	3/8	3/8	3/8	3/8	3/8
Thickness T(mm)	2.4	3.2	1.5 ～ 1.6	2.3	-	-	-
Sales Unit	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.	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	-
Material: Steel	JIS-SWRH	EN 1.0330 Equiv.	EN 1.0330 Equiv.	EN 1.0330 Equiv.	JIS-SWRH	JIS-SWRH	-
Thickness t(inch)	-	-	-	-	-	-	-
Material: Stainless Steel	EN 1.4301 Equiv.	-	EN 1.4301 Equiv.	-	-	EN 1.4301 Equiv.	-
Surface Treatment (Detailed)	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Chrome Plating / Parker	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating	Not Provided	Not Provided / Hot Zinc Plating / Chromate Plating	Not Provided
Type, Spring Washers	Standard	-	-	-	Standard	Standard	-
Type, Toothed Washer	-	-	-	-	-	-	-
Outer Diameter D(inch)	-	-	-	-	-	-	-

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- Stock Items Included
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Narrow search by specifying spec./dim.

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
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
Clear

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

0.115

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

Clear

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

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

0.100

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
Clear

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
Clear

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

Clear

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

Clear

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