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Washers（Nominal of Thread (inch)：5/16）

Metal Washers
We have a lineup of nearly all washers circulating in the market, including square or wavy types, as well as flat (round) washers and spring washers.
They are mainly available in small boxes and packs, but we sell many items individually. For customers who are price sensitive, purchasing in small boxes is recommended.
Contact us if you cannot find the desired size.
[Materials]
Iron (steel SCM), stainless steel (SUS304, SUS410, SUS316L), titanium, brass, and many others
[Surface Processing]
None, ferrosoferric oxide coating, electroless nickel plating, trivalent chromate, trivalent black, trivalent white, unichrome plating, chromate plating, chrome plating, nickel plating, anodized, polished, painted, and others
[Nominal Screw Diameter] M (mm), imperial (inch), others
[Thickness] 0.1 to 30 mm

5 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

HEICO-LOCK Ring Lock Washer

ACCURATE

Ring lock washer ideal for reinforcing screws
[Features]
· Ideal for repeated use
· The wedge lock washers secure bolted connections reliably while the ring holds the two wedge lock washers together in the correct position permanently
· Very easy to install and remove (ring locking system comes pre-assembled)
· Fixes bolts under high or low load conditions
· Both narrow and wide types made from steel or stainless steel are available
· Particularly suitable for dynamic loads. Also suitable for use with lubricants
· Also suitable for use with high-tensile bolts of 8.8, 10.9 and 12.9 and their respective nuts
[Materials]
Wedge lock washer: S45C equivalent / SUS316L equivalent
Ring: Polyamide

CAD ：: 2D / 3D

Standard Price:	SGD 7.34-
Days to Ship:	4 Day(s) or more

Washer (Inch Thread) - SWAS

Washer (Inch Thread) - SWAS【1-10 Pieces Per Package】

NABEYA BI-TECH

A washer for unified thread hex nuts. Use in combination with hexagonal bolts and hexagonal button bolts.

CAD ：: 2D / 3D

Standard Price:	SGD 1.79-
Days to Ship:	6 Day(s) or more

Flat Washer (Com), Inch Size

SAIMA CORPORATION

A washer. Standardized in inches.

Standard Price:	SGD 4.26
Days to Ship:	6 Day(s) or more

Flat Washer (BBI) - Inch Size

SAIMA CORPORATION

A washer. Standardized in inches.

Standard Price:	SGD 1.67
Days to Ship:	6 Day(s) or more

Whitworth Round Washer

Whitworth Round Washer【1-800 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 0.09-
Days to Ship:	4 Day(s) or more


Brand
Product Series
CAD
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


Brand	ACCURATE	NABEYA BI-TECH	SAIMA CORPORATION	SAIMA CORPORATION	SUNCO
Product Series	HEICO-LOCK Ring Lock Washer	Washer (Inch Thread) - SWAS【1-10 Pieces Per Package】	Flat Washer (Com), Inch Size	Flat Washer (BBI) - Inch Size	Whitworth Round Washer【1-800 Pieces Per Package】
CAD	2D / 3D	2D / 3D
Days to Ship	4 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	4 Day(s) or more
Material	Steel / Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel	Steel / Stainless Steel
Surface Treatment	-	Not Provided	Passivated	Passivated	Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating / Nickel Plating
Inner Dia. d(mm)	8.6	0.314 ～ 0.344	-	-	8.5
I.D. d(inch)	-	-	0.355	0.355	-
Nominal of Thread (M)	8	-	-	-	-
Outer Diameter D(inch)	-	-	0.885	0.76	-
Type	-	Flat Washer / Spring Washer	Flat Washer	Flat Washer	Flat Washer
Type (Application)	Washer with Threadlocker Adhesive	Flat Washer / Spring Washer	Flat Washer	Flat Washer	Flat Washer
Sales Unit	Box, Pkg.	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	Box, Pkg.	Box, Pkg.	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.
Thickness t(mm)	-	0.05	-	-	1.5 ～ 1.6
Thickness t(inch)	-	-	0.067	0.044	-
Type Spring Washers	-	Standard	-	-	-
Material: Stainless Steel	SUS316L	SUS304	SUS304	SUS304	SUS304
Surface Treatment (Detailed)	-	Not Provided	Passivated	Passivated	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating / Nickel Plating
Nominal of Thread (inch)	5/16	5/16	5/16	5/16	5/16
Material Steel	S45C	-	-	-	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

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

0.148

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

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

65.5

66

68

70

72

76

80

80.3

85

85.2

85.3

90

95

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

255.6

260.4

260.5

330.6
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

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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Washers（Nominal of Thread (inch)：5/16）

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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