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Metal Washers（Thread Nominal (inch)：1/2）

18 items

: 30; 45; 60

Days to Ship	All Same day 6 Days or Less 7 Days or Less 8 Days or Less 9 Days or Less 10 Days or Less 11 Days or Less 12 Days or Less 13 Days or Less 14 Days or Less

Double Tab 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.

Volume Discount
Days to Ship: 8 Days or more
Internal-Tooth Lock Washer - TLWI Series

Heiwa Hatsujo

Refers to the shape of the teeth applied to the inside of the washer. The teeth embed into the material, helping to keep it from rotating. Rattling and loosening should be prevented by concurrent use of a flat washer, etc.

Volume Discount
Days to Ship: 9 Days or more

Show Stock Products
Split Lock Washer - No. 2【1-400 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
Days to Ship: 8 Days or more

Show Stock Products
Split Lock Washer - Special-Sized, No. 2

Tokyo Metal

By inserting it between bolts and nuts when tightening, it has the effect of preventing loosening, preventing sinking into parts, improving airtightness and stabilizing the seating surface.

Volume Discount
Days to Ship: 9 Days or more
Flat Washer - WSW-ST Series【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.

Volume Discount
Days to Ship: 8 Days or more
Flat Washer - Whitworth【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

Volume Discount
Days to Ship: 8 Days or more

Show Stock Products
LOCK ONE® Spring Washer - Fall Prevention

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.

Volume Discount
Days to Ship: 8 Days or more
Flat Washer - Inch Measurements, BBI

Saima

A washer. Standardized in inches.

Volume Discount
Days to Ship: 54 Days or more
External-Tooth Lock Washer - JIS

Heiwa Hatsujo

•Type: Toothed Washer
•Type (Applications): Threadlocker Adhesive
•Material: Steel: S50C～S70C
•Hardened: Provided

Volume Discount
Days to Ship: 8 Days or more

Show Stock Products
Flat Spring Washer for Screw

Heiwa Hatsujo

[Materials] Steel, Stainless steel
[Surface treatment] None, trivalent chromate, nickel plating, temper color
[Inner diameter d (mm)] 4.3 5.3 6.4 8.4 10.5 13 15 17 19 21 23 25 28 31
[Nominal Thread (M)] 4 5 6 8 10 12 14 16 18 20 22 24 27 30
[Thickness t (mm)] 0.45 0.55 0.6 0.9 1.1 1.2 1.4 1.6 1.8 2 2.2 2.5 2.8 3
[Materials]Steel S50C to S65C
[Materials]Stainless steel SUS304
[Surface treatment](Detail) Untreated, Temper color
[Outer diameter D (mm)] 7.5 9 10.5 13.5 16.5 19

Volume Discount
Days to Ship: 8 Days or more

Show Stock Products
Tab Lock 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.

Volume Discount
Days to Ship: 8 Days or more
Tab Washer - WTNS Series【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.

Volume Discount
Days to Ship: 8 Days or more
Flat Washer - Thick, Whitworth 【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

Volume Discount
Days to Ship: 8 Days or more
Split Lock 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
Days to Ship: 9 Days or more

Show Stock Products
Internal-Tooth Lock Washer 1250201

Taiyo Stainless Steel

The teeth protruding into the inner diameter prevent rattling and loosening of screws when combined with flat washers, etc.

Volume Discount
Days to Ship: 8 Days or more
Whitworth Inner Toothed Washer

Ochiai

[Type]Toothed washer, chrysanthemum-shaped
[Sales unit] Box/package
[Materials] Steel, Phosphor bronze
[Inner diameter d (mm)] 9.8 11.4 13 19.6 26
[Thread (inch)] 3/8 7/16 1/2 3/4
[Thickness t (mm)] 0.9 1 1.2 1.6
[Materials]Steel S65C
[Outer diameter D (mm)] 17.5 19.5 22.5 32 41

Volume Discount
Days to Ship: 8 Days or more
No. 2 Insert Spring Washer (Imported)

Sunco

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

Volume Discount
Days to Ship: 14 Days or more
Split Lock Washer - Inch Measurements

Saima

・Inch standard Split Lock Washer
Product Specifications:
・Stainless A2 Material
・304 Stainless Steel
・Standard ASME B18.21.1

Volume Discount
Days to Ship: 14 Days or more

Days to Ship:	8 Days or more

Days to Ship:	9 Days or more

Days to Ship:	8 Days or more

Days to Ship:	9 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	54 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	9 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	14 Days or more

Days to Ship:	14 Days or more


Brand
Product Series
Days to Ship
Types (Applications)
Type
Material
Surface Treatment
I.D. d(mm)
Thread Nominal (M)
Thread Nominal (inch)
Thickness T(mm)
Sales Unit
Material: Steel
Thickness t(inch)
Material: Stainless Steel
Surface Treatment (Details)
Type, Spring Washers
Type, Toothed Washer
Outer Diameter D(inch)


Brand	Sunco	Heiwa Hatsujo	Sunco	Tokyo Metal	Sunco	Sunco	Sunco	Saima	Heiwa Hatsujo	Heiwa Hatsujo	Sunco	Sunco	Sunco	Sunco	Taiyo Stainless Steel	Ochiai	Sunco	Saima
Product Series	Double Tab Washer	Internal-Tooth Lock Washer - TLWI Series	Split Lock Washer - No. 2【1-400 Pieces Per Package】	Split Lock Washer - Special-Sized, No. 2	Flat Washer - WSW-ST Series【1-100 Pieces Per Package】	Flat Washer - Whitworth【1-300 Pieces Per Package】	LOCK ONE® Spring Washer - Fall Prevention	Flat Washer - Inch Measurements, BBI	External-Tooth Lock Washer - JIS	Flat Spring Washer for Screw	Tab Lock Washer	Tab Washer - WTNS Series【1-500 Pieces Per Package】	Flat Washer - Thick, Whitworth 【1-200 Pieces Per Package】	Split Lock Washer for Caps	Internal-Tooth Lock Washer 1250201	Whitworth Inner Toothed Washer	No. 2 Insert Spring Washer (Imported)	Split Lock Washer - Inch Measurements
Days to Ship	8 Days or more	9 Days or more Show Stock Products	8 Days or more Show Stock Products	9 Days or more	8 Days or more	8 Days or more Show Stock Products	8 Days or more	54 Days or more	8 Days or more Show Stock Products	8 Days or more Show Stock Products	8 Days or more	8 Days or more	8 Days or more	9 Days or more Show Stock Products	8 Days or more	8 Days or more	14 Days or more	14 Days or more
Types (Applications)	Special Shape	Spring Washers	Spring Washers	Spring Washers	Flat Washers	Flat Washers	Threadlocker Adhesive	Flat Washers	Threadlocker Adhesive	Spring Washers	Threadlocker Adhesive	Special Shape	Flat Washers	Spring Washers	Threadlocker Adhesive	-	Spring Washers	Spring Washers
Type	Single/Double Tab Washers	Toothed Washers (Toothed Lock Washers)	Spring Washers	Spring Washers	Flat Washers	Flat Washers	Anti-Falling/Loosening Prevention Springs	Flat Washers	Toothed Washers (Toothed Lock Washers)	Spring Washers	With Claw Washers	Single/Double Tab Washers	Flat Washers	Spring Washers	Toothed Washers (Toothed Lock Washers)	Toothed Washers (Toothed Lock Washers)	Spring Washers	Spring Washers
Material	Steel / Stainless Steel	Steel	Steel / Stainless Steel	Stainless Steel / Phosphor Bronze	Steel	Steel / Stainless Steel	-	Stainless Steel	Steel	Steel	Steel / Stainless Steel	Steel / Stainless Steel / Brass	Steel	Steel	Stainless Steel	Steel	Stainless Steel	Stainless Steel
Surface Treatment	Not Provided / Bright Chrome Plating	Trivalent Chromate	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / Parker	Not Provided / 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 / Paint, Coating	Not Provided	Passivated	Trivalent Chromate	Not Provided	Not Provided / Bright Chrome Plating	Not Provided / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating	Not Provided	Not Provided	-	Not Provided	Passivated
I.D. d(mm)	13.5	13	13	13	14.5	14.5	-	-	13	13.3	13.5	13.5	13.5	-	13	13	-	-
Thread Nominal (M)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Thread Nominal (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	1/2	1/2	1/2	1/2	1/2	1/2
Thickness T(mm)	0.8	1	3.2	3.2	3.2	2 ～ 2.3	-	-	1	1.4	0.8	0.8	3.2	-	-	1	-	-
Sales Unit	Sold Separately (product can be purchased individually)	Sold Separately (product can be purchased individually)	Box/Pack ～ Sold Separately (product can be purchased individually)	Sold Separately (product can be purchased individually)	Box/Pack ～ Sold Separately (product can be purchased individually)	Box/Pack ～ Sold Separately (product can be purchased individually)	-	Box/Pack	Sold Separately (product can be purchased individually)	Sold Separately (product can be purchased individually)	Sold Separately (product can be purchased individually)	Box/Pack ～ Sold Separately (product can be purchased individually)	Box/Pack ～ Sold Separately (product can be purchased individually)	Sold Separately (product can be purchased individually)	Sold Separately (product can be purchased individually)	Box/Pack	Sold Separately (product can be purchased individually)	Box/Pack
Material: Steel	Low Carbon Steel	1049 Carbon Steel	SWRH	-	Low Carbon Steel	Low Carbon Steel	-	-	1049 Carbon Steel	1049 Carbon Steel	Low Carbon Steel	Low Carbon Steel	Low Carbon Steel	SWRH	-	1045 Carbon Steel	-	-
Thickness t(inch)	-	-	-	-	-	-	-	0.088	-	-	-	-	-	-	-	-	-	0.125
Material: Stainless Steel	304 Stainless Steel	-	304 Stainless Steel / 316 Stainless Steel	316L Stainless Steel	-	304 Stainless Steel	304 Stainless Steel	304 Stainless Steel	-	-	304 Stainless Steel	304 Stainless Steel	-	-	304 Stainless Steel	-	304 Stainless Steel	304 Stainless Steel
Surface Treatment (Details)	Not Provided / Bright Chrome Plating	Trivalent Chromate	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating / Chrome Plating / Parker	Not Provided / 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 / Goemet Treatment	Not Provided	Passivated	Tempered Collar	Not Provided	Not Provided / Bright Chrome Plating	Not Provided / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating	Not Provided	Not Provided	-	Not Provided	Passivated
Type, Spring Washers	-	-	Standard	Standard	-	-	-	-	-	Disc Spring Washers	-	-	-	Standard	-	-	Standard	Standard
Type, Toothed Washer	-	Internal Teeth Type	-	-	-	-	-	-	Internal Teeth Type / External Teeth Type	-	-	-	-	-	Internal Teeth Type	-	-	-
Outer Diameter D(inch)	-	-	-	-	-	-	-	1.26	-	-	-	-	-	-	-	-	-	0.869

Configure

Specification/Dimensions

Types (Applications)
- Flat Washers
- Spring Washers
- Special Shape
- Threadlocker Adhesive
- For Fluids
Clear

Type
- Flat 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
- Washers with Adhesive
- With Claw Washers
- For Corrugated Plate
- Anti-Falling/Loosening Prevention Springs
Images

Clear

Material
- Steel
- Stainless Steel
- Titanium Class 2
- Aluminum
- Brass
- Phosphor Bronze
- Titanium Class 1
Clear

Surface Treatment
- Not Provided
- Black Oxide Coating
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Zinc Plating
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Parker
- dacrotizing
- Polishing
- Paint, Coating
- Silver, Copper, Tin Plated
- Temper Color
- Passivated
Clear

Metric / Inch
- metric
Clear

I.D. d(mm)
0.252

0.281

0.314

0.344

0.377

0.391

1.05

1.1

1.3

1.5

1.7

1.75

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

4

4.1

4.2

4.25

4.3

4.4

4.5

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

7

7.1

7.2

7.4

7.5

7.8

8

8.1

8.2

8.3

8.4

8.5

8.7

8.8

9

9.1

9.4

9.5

9.6

9.8

10

10.2

10.5

10.6

10.7

10.8

11

11.2

11.4

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

15.5

15.8

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

19.6

19.7

19.8

20

20.2

20.7

20.9

21

21.5

21.75

22

22.1

22.5

22.9

23

23.2

23.5

23.75

24

24.5

25

25.2

25.4

25.5

26

26.1

26.4

26.6

26.75

27

27.5

28

28.2

28.5

29

29.3

29.75

29.8

30

30.1

30.4

30.5

31

31.2

31.5

31.9

32

32.5

33

33.5

33.7

33.9

34

34.3

34.5

35

35.8

36

36.5

37

37.5

38

38.5

39

39.5

39.8

40

40.5

40.6

41

42

42.5

43

44

45

45.8

46

47

47.2

47.3

47.5

48

49

50

51.4

51.5

51.8

52

53

54

54.3

55

56

57

57.3

58

61.3

61.9

62

64.2

65

66

69

69.5

70

74

75

78

79.3

79.7

82

87.5

88.9

95.8

99

108.3

112.4
Drawing

Clear

Thread Nominal (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

15

16

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

52

54

56

60

63

64

66

68

70

72

76

80
Clear

Thread Nominal (inch)
NO.12

NO.2

NO.6

1

1 1/2

1 1/4

1 1/8

1/2

1 3/8

1/4

2

3/4

3/8

5/8

5/16

7/8

7/16
Clear

Thickness T(mm)
0.05

0.059

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

1.3

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

3.45

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

5.3

5.4

5.5

5.6

5.9

6

6.2

6.3

6.4

6.8

7

7.1

7.2

7.5

7.9

8

8.2

8.3

8.5

8.7

9

9.3

9.5

9.8

10

10.4

11

11.2

11.8

12

13.1

14

15

15.8

16

17

18

19

20.3

21

22

24.5

25

26

27

29

30
Drawing

Clear

Sales Unit
Box/Pack

Sold Separately (product can be purchased individually)
Clear

Material: Steel
- 1045 Carbon Steel
- 1049 Carbon Steel
- SCM Alloy Steel (JIS)
- 1018 Carbon Steel
- 12L13 Carbon Steel
- Low Carbon Steel
- SWRH
- Spring Steel
- 1045 Carbon Steel
- SPHC
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

Material: Stainless Steel
- 303 Stainless Steel
- 304 Stainless Steel
- 316 Stainless Steel
- 310S Stainless Steel
- 316L Stainless Steel
- 329 Stainless Steel
Clear

Surface Treatment (Details)
- Not Provided
- Black Oxide Coating
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Zinc Plating
- Hot Zinc Plating
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Parker
- dacrotizing
- Special Chemical Grinding
- Goemet Treatment
- Stainless Steel Coating
- Baked Paint
- Antisieze Coating
- Copper Plating
- Tinned Platings
- Rough
- Black Painted
- White Coating
- 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
- Internal External Teeth Type
Images

Clear

Outer Diameter D(inch)
0.250

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

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Metal Washers（Thread Nominal (inch)：1/2）

Configure

Specification/Dimensions

Types (Applications)

Type

Material

Surface Treatment

Metric / Inch

I.D. d(mm)

Thread Nominal (M)

Thread Nominal (inch)

Thickness T(mm)

Sales Unit

Material: Steel

Thickness t(inch)

Material: Stainless Steel

Surface Treatment (Details)

Type, Spring Washers

Type, Toothed Washer

Outer Diameter D(inch)

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Related Categories to Metal Washers

About This Website

About MISUMI Corporation

Contact us Monday to Friday: 8:00 am to 6:00 pm (Mexico City time)