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Complete Washers Weight Chart In Kg & Mm (free Pdf) – The Only Guide You Need

Author: Shailesh Makwana

June 6, 2025

Washers

Washers


When working in engineering, manufacturing, or construction, accurate information on the weight of washers becomes crucial. Whether you're a supplier, buyer, or a quality inspector, having access to a precise washers weight chart in KG, MM and PDF helps you streamline logistics, ensure compliance, and reduce cost overruns. In this guide, we present an in-depth breakdown of washer weights, covering metric sizes, material variations, and real-world applications.



Standard Metric Washer Sizes (MM)


NOM SIZE MM

Inner Dia (d) Basic Tol (+)

Outer Dia (d1) Max

WIDTH (b) Basic Tol (+ or -)

THICKNESS (S) Basic Tol (+ or -)

Weight per 1000 in Kgs

3

3.1

0.3

6.2

1.3

0.1

0.8

0.1

0.11

4

4.1

0.3

7.6

1.5

0.1

0.9

0.1

0.18

5

5.1

0.3

9.2

1.8

0.1

1.2

0.1

0.36

6

6.1

0.4

11.8

2.5

0.15

1.6

0.1

0.83

8

8.1

0.4

14.8

3

0.15

2

0.1

1.60

10

10.2

0.5

18.1

3.5

0.2

2.2

0.15

2.53

12

12.2

0.5

21.1

4

0.2

2.5

0.15

3.82

14

14.2

0.5

24.1

4.5

0.2

3

0.15

6.01

16

16.2

0.8

27.4

5

0.2

3.5

0.2

8.91

18

18.2

0.8

29.4

5

0.2

3.5

0.2

9.73

20

20.2

1

33.6

6

0.2

4

0.2

15.20

22

22.5

1

35.9

6

0.2

4

0.2

16.50

24

24.5

1

40

7

0.25

5

0.2

26.20

27

27.5

1

43

7

0.25

5

0.2

28.70

30

30.5

1.2

48.2

8

0.25

6

0.2

44.30

33

33.5

1.2

55.2

10

0.25

6

0.2

63.00

36

36.5

1.2

58.2

10

0.25

6

0.2

67.30

39

39.5

1.2

61.2

10

0.25

6

0.2

71.70

42

42.5

1.2

68.2

12

0.25

7

0.25

111.00

45

45.5

1.2

71.2

12

0.25

7

0.25

117.00

48

49

1.5

75

12

0.25

7

0.25

123.00

52

53

1.5

83

14

0.25

8

0.25

182.00


Washer Weight Chart in KG – By Size


Below is a table featuring the approximate weight of washers based on standard dimensions and material (Mild Steel):


Washer Size (MM)

Qty per KG (Approx.)

Weight per Washer (KG)

M5

1250

0.0008

M6

900

0.0011

M8

625

0.0016

M10

400

0.0025

M12

250

0.004

M16

140

0.0071

M20

80

0.0125

M24

50

0.02


Note: These are estimated weights. Tolerance levels and material density variations may slightly affect the actual weight.


SPRING WASHERS – SQUARE SECTION CONFORMING TO IS 6735-1972


NOM SIZE

Inner Dia (d)

Basic Tol (+)

Outer Dia (d1) Max

WIDTH (b) = THICKNESS(s)

Basic Tol (+ or -)

Weight per 1000 IN KGS

3

3.1

0.3

5.6

1

0.1

0.105

4

4.1

0.3

7

1.2

0.1

0.195

5

5.1

0.3

8.8

1.6

0.1

0.370

6

6.1

0.4

9.9

1.6

0.1

0.425

8

8.1

0.4

12.7

2

0.1

1.05

10

10.2

0.5

16

2.5

0.15

1.96

12

12.2

0.5

18

2.5

0.15

2.28

14

14.2

0.5

21.1

3

0.2

3.8

16

16.2

0.8

24.4

3.5

0.2

5.94

18

18.2

0.8

26.4

3.5

0.2

6.6

20

20.2

1

30.6

4.5

0.2

12.3

22

22.5

1

32.9

4.5

0.2

13.6

24

24.5

1

35.9

5

0.2

18.1

27

27.5

1

38.9

5

0.2

20.6

30

30.5

1.2

44.1

6

0.2

32

33

33.5

1.2

47.2

6

0.2

35

36

36.5

1.2

52.2

7

0.25

52.5

39

39.5

1.2

55.2

7

0.25

56.1

42

42.5

1.2

60.2

8

0.25

80

45

45.5

1.2

64

8

0.25

85.3

48

49

1.5

67

8

0.25

90