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SUNCO Washers（Nominal of Thread (inch)：3/8）

9 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

Spring Lock Washer No. 2

Spring Lock 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

Standard Price:	SGD 0.07-
	Special Price
Days to Ship:	4 Day(s) or more

Nord-Lock Washer (Wide)

SUNCO

[Nominal] 3.5/4/5/6/7/8/9/10/12/14/16/18/20/22/24/27/30/33/36
[Material] Steel/Stainless Steel
[Surface Processing] Chromate / Trivalent White / Baked Paint Finish / None

Standard Price:	SGD 15.05
Days to Ship:	7 Day(s) or more

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

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

Nord-Lock Washer

Nord-Lock Washer【200 Pieces Per Package】

SUNCO

[Nominal] 3/3.5/4/5/6/8/10/11/12/14/16/18/20/22/24/27/30/33/36/39/42/45/48/52/56/60/64/68/72/76/80/85/90/95/100/105/110/115/120/125/130
[Material] Steel/Stainless Steel
[Surface Processing] Chromate Plating / Trivalent White / Baked Paint Finish / None

Standard Price:	SGD 1,203.15
Days to Ship:	7 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 0.08
	Special Price
Days to Ship:	5 Day(s) or more

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

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

LOCK ONE, Fall Prevention / Thread-Locker 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 SUS304WPB, allowing it to be used in environments that are potentially corrosive or subject to extreme temperatures.

Standard Price:	SGD 1.40
Days to Ship:	4 Day(s) or more

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.

Standard Price:	SGD 0.34-
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

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

Standard Price:	SGD 0.12-
	Special Price
Days to Ship:	Same day or more


Brand
Product Series
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
Brand	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO
Product Series	Spring Lock Washer No. 2【1-1,000 Pieces Per Package】	Nord-Lock Washer (Wide)	No. 2 Insert Spring Washer (Imported)【1-1,000 Pieces Per Package】	Nord-Lock Washer【200 Pieces Per Package】	Spring Washer for Caps	Whitworth Round Washer, Thick【1-500 Pieces Per Package】	LOCK ONE, Fall Prevention / Thread-Locker Spring	Round Washer, for Wood【1-250 Pieces Per Package】	Whitworth Round Washer【1-500 Pieces Per Package】
Days to Ship	4 Day(s) or more	7 Day(s) or more	4 Day(s) or more	7 Day(s) or more	5 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	Same day or more
Material	Steel / Stainless Steel	Stainless Steel	Steel / Stainless Steel	Stainless Steel	Steel	Steel	-	Steel	Steel / Stainless Steel
Surface Treatment	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Chrome Plating / Parkerizing	Painting, Coating	Zinc Plating / Chromate Plating	Painting, Coating	-	Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating	-	Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating
Inner Dia. d(mm)	9.8	10.3	-	10.3	-	10.5	-	11	8.5 ～ 10.5
I.D. d(inch)	-	-	-	-	-	-	-	-	-
Nominal of Thread (M)	-	-	-	-	-	-	-	-	-
Outer Diameter D(inch)	-	-	-	-	-	-	-	-	-
Type	Spring Washer	Nord-Lock Washer	Spring Washer	Nord-Lock Washer	Spring Washer	Flat Washer	Fall Prevention and loosening Prevention Spring	Flat Washer	Flat Washer
Type (Application)	Spring Washer	Washer with Threadlocker Adhesive	Spring Washer	Washer with Threadlocker Adhesive	Spring Washer	Flat Washer	Washer with Threadlocker Adhesive	Flat Washer	Flat Washer
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.	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.
Thickness t(mm)	2.4	-	-	-	-	2.3	-	3.2	1.5 ～ 1.6
Thickness t(inch)	-	-	-	-	-	-	-	-	-
Type Spring Washers	Standard	-	Standard	-	Standard	-	-	-	-
Material: Stainless Steel	SUS304	SUS316L	SUS304	254SMO	-	-	SUS304	-	SUS304
Surface Treatment (Detailed)	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Chrome Plating / Parkerizing	Copper Plating	Hot Zinc Plating / Chromate Plating	Copper Plating	-	Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating	-	Trivalent Chromate / Bright Chrome Plating / Chromate Plating / Nickel Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating
Nominal of Thread (inch)	3/8	3/8	3/8	3/8	3/8	3/8	3/8	3/8	3/8
Material Steel	SWRH	-	SWRH	-	SWRH	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

66

68

70

70.2

72

76

80

80.3

85

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

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

250.3

255.6

260.4

260.5

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

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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SUNCO Washers（Nominal of Thread (inch)：3/8）

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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