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SUNCO Washers（Nominal of Thread (inch)：1/2）

SUNCO offers products Washers specified by Nominal of Thread (inch) 1/2 from Fasteners product category. There are a total of 12 items. The most popular types of screws, bolts, washers, nuts and bolts that can be used with all types of fastening work. SUNCO products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

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

9.5

9.6

9.8

10

10.1

10.2

10.3

10.5

10.6

10.7

10.8

11

11.2

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

14.5

14.6

15

15.2

15.5

15.8

15.9

16

16.1

16.2

16.3

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

19.3

19.5

19.6

19.7

19.8

20

20.1

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

32.3

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

38.3

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

82

83.1

87.5

88.9

95.8

99

108.3

112.4
Drawing

Clear

I.D. d(inch)
0.109

0.135

0.141

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

Nominal of Thread (M)
0.5

1

1.2

1.4

1.6

1.7

2

2.3

2.5

2.6

3

M3

3.5

4

M4

4.5

5

M5

5.1

6

M6

7

8

M8

8.5

9

10

M10

11

12

M12

13

13.5

14

14.5

15

16

M16

17

18

19

20

M20

21

22

23

24

25

26

27

28

30

31

32

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

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

85.4

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

125.3

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

180.3

180.4

180.5

180.6

190.4

210.3

210.4

210.5

210.6

220.4

220.5

220.7

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

0.332

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

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

1.5/5

1.6

1.75

1.8

1.9

2

2/4.5

2/6

2.1

2.2

2.3

2.4

2.5

2.5/4.5

2.5/7

2.6

2.7

2.8

3

3/6

3/7

3/8

3/9

3.2

3.3

3.4

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

6.9

7

7.1

7.2

7.5

7.9

08

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

25

27

30

32

45
Drawing

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
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
- Chromium free
- Trivalent Chromate
- Bright Chrome Plating
- Zinc Plating
- Hot Zinc Plating
- Chromate Plating
- Nickel Plating
- Black Nickel Plating
- Chrome Plating
- Parkerizing
- Black Anodize
- Dacrotizing
- Barrel, Passivated
- Special Chemical Grinding
- GeoMet Coating
- Disgo Treatment
- Baked Paint
- Seizure-Against Coating
- Copper Plating
- Tin Plating
- Lafre
- Black Paint
- White Paint
- Temper Color
- Other Special Treatment
- 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

SCM Steel

SPCC

SPHC

SWRH

Spring Steel
Clear

Type Toothed Washer
- Internal Teeth Type
- External Teeth Type
- Star
- Internal External Teeth Type
Images

Clear

Brand	(0) (0) ACCURATE (0) ASANO SS (0) BUMAX (0) ESCO (0) GOSHO WORKS (0) HEIWA HATSUJYO (3) HIROSUGI-KEIKI (0) IMAO CORPORATION (0) IMPERIAL (1) IWATA DENKO (0) IWATA MFG (0) KEEPER (0) KONISHI (0) KONOE (0) KYUHI SEIRA (0) MARUEMU WORKS (0) NBK (0) NORDLOCK (4) OCHIAI (0) OHKITA (0) OHSATO (0) OHTOMO SS (0) OPG (0) OUMI OFT (0) RS Pro (0) SAIMA CORPORATION (3) SOHWA SEISAKUSHO (0) SUGITA ACE (0) SUNCO (12) TAIYO STAINLESS SPRING (0) TAKIGEN (0) TOKYO METAL (1) TRUSCO (3) YAHATA (0) YAMAHIRO (0)
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12 items

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: 30; 60; 90

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Until 31/03/2025

Spring Lock Washer No. 2【1-400 Pieces Per Package】

SUNCO

A plain washer that has been cut and formed into a torsional type shape.
This torsion has the effect of preventing it from becoming loose, or of preventing it from falling out if it does become loose.
Among the spring-washer types available, the No. 2 is the most widely used product in circulation.

From: ฿ 4.49
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

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Until 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

From: ฿ 5.03
Special Price
Days to Ship: 6 Day(s)

6 Day(s)

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Until 31/03/2025

No. 2 Insert Spring Washer (Imported)

SUNCO

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

From: ฿ 5.11
Special Price
Days to Ship: 11 Day(s)

11 Day(s)

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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

From: ฿ 575.68
Days to Ship: 6 Day(s)

6 Day(s)

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Until 31/03/2025

Round Washer, for Wood【1-100 Pieces Per Package】

SUNCO

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

From: ฿ 14.18
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

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LOCK ONE, Fall Prevention / Thread-Locker Spring

Until 31/03/2025

LOCK ONE, Fall Prevention / Thread-Locker Spring

SUNCO

Springs prevent nuts and bolts from loosening and falling out.
[Features]
· It has passed tests that use shock-type vibration testing apparatus that comply with NAS3350 standards, providing the ultimate in reliability, and 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.
· As the product can be removed and reused, there is an advantage in running costs.
· Made using SUS304WPB for the materials, allowing it to be used in environments that are potentially corrosive, or subject to extreme temperatures.

From: ฿ 57.15
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

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Until 31/03/2025

Spring Washer No. 3, for Heavy Loads【400 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.

From: ฿ 3,156.19
Special Price
Days to Ship: 14 Day(s)

14 Day(s)

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Until 31/03/2025

Double Tongued Washer

SUNCO

Has been used to prevent loosening. Bending the protruding part of the round flat washer around the nut prevents it from coming loose or turning. Tongue is two sheets.

From: ฿ 11.23
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

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Pawl Washer

SUNCO

It has been used for locking. Features a nail-shaped protrusion cut from a portion outside the round flat washer, which can be bent to prevent turning.

From: ฿ 14.86
Days to Ship: 5 Day(s)

5 Day(s)

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Single Tongued Washer【1-500 Pieces Per Package】

SUNCO

Has been used to prevent loosening. Bending the protruding part of the round flat washer around the nut prevents it from coming loose or turning. Tongue is one sheet.

From: ฿ 11.05
Days to Ship: 5 Day(s)

5 Day(s)

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Until 31/03/2025

Whitworth Round Washer【1-300 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

From: ฿ 5.83
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Whitworth Round Washer, Thick【1-200 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

From: ฿ 8.09
Special Price
Days to Ship: Same day

Same day


Brand
Product Series
From
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

	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025
Brand	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO
Product Series	Spring Lock Washer No. 2【1-400 Pieces Per Package】	Spring Washer for Caps	No. 2 Insert Spring Washer (Imported)	Nord-Lock Washer (Wide)	Round Washer, for Wood【1-100 Pieces Per Package】	LOCK ONE, Fall Prevention / Thread-Locker Spring	Spring Washer No. 3, for Heavy Loads【400 Pieces Per Package】	Double Tongued Washer	Pawl Washer	Single Tongued Washer【1-500 Pieces Per Package】	Whitworth Round Washer【1-300 Pieces Per Package】	Whitworth Round Washer, Thick【1-200 Pieces Per Package】
From	฿ 4.49 Special Price On Sale Until 31/03/2025	฿ 5.03 Special Price On Sale Until 31/03/2025	฿ 5.11 Special Price On Sale Until 31/03/2025	฿ 575.68	฿ 14.18 Special Price On Sale Until 31/03/2025	฿ 57.15 Special Price On Sale Until 31/03/2025	฿ 3,156.19 Special Price On Sale Until 31/03/2025	฿ 11.23 Special Price On Sale Until 31/03/2025	฿ 14.86	฿ 11.05	฿ 5.83 Special Price On Sale Until 31/03/2025	฿ 8.09 Special Price On Sale Until 31/03/2025
Days to Ship	5 Day(s)	6 Day(s)	11 Day(s)	6 Day(s)	5 Day(s)	5 Day(s)	14 Day(s)	5 Day(s)	5 Day(s)	5 Day(s)	Same day	Same day
Material	Steel / Stainless Steel	Steel	Stainless Steel	Stainless Steel	Steel	-	Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel / Stainless Steel / Brass	Steel / Stainless Steel	Steel
Surface Treatment	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / Parkerizing	-	-	Painting, Coating	Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating	-	Parkerizing	Not Provided / Bright Chrome Plating	Not Provided / Bright Chrome Plating	Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Painting, Coating	Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating
Inner Dia. d(mm)	13	-	-	13.5	14.5	-	13	13.5	13.5	13.5	14.5	13.5
I.D. d(inch)	-	-	-	-	-	-	-	-	-	-	-	-
Nominal of Thread (M)	-	-	-	-	-	-	-	-	-	-	-	-
Outer Diameter D(inch)	-	-	-	-	-	-	-	-	-	-	-	-
Type	Spring Washer	Spring Washer	Spring Washer	Nord-Lock Washer	Flat Washer	Fall Prevention and loosening Prevention Spring	Spring Washer	Tab Washer - One-Tabbed / Two-Tabbed	Pawl Washer	Tab Washer - One-Tabbed / Two-Tabbed	Flat Washer	Flat Washer
Type (Application)	Spring Washer	Spring Washer	Spring Washer	Washer with Threadlocker Adhesive	Flat Washer	Washer with Threadlocker Adhesive	Spring Washer	Special Shaped Washer	Washer with Threadlocker Adhesive	Special Shaped Washer	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.)	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.)	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)	3.2	-	-	-	3.2	-	3.8	0.8	0.8	0.8	2 ～ 2.3	3.2
Thickness t(inch)	-	-	-	-	-	-	-	-	-	-	-	-
Type Spring Washers	Standard	Standard	Standard	-	-	-	Standard	-	-	-	-	-
Material: Stainless Steel	SUS304 ～ SUS316	-	SUS304	SUS316L	-	SUS304	-	SUS304	SUS304	SUS304	SUS304	-
Surface Treatment (Detailed)	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / Parkerizing	-	-	Copper Plating	Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating	-	Parkerizing	Not Provided / Bright Chrome Plating	Not Provided / Bright Chrome Plating	Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating / GeoMet Coating	Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating
Nominal of Thread (inch)	1/2	1/2	1/2	1/2	1/2	1/2	1/2	1/2	1/2	1/2	1/2	1/2
Material Steel	SWRH	SWRH	-	-	SPCC	-	-	SPCC	SPCC	SPCC	SPCC	SPCC
Type Toothed Washer	-	-	-	-	-	-	-	-	-	-	-	-