حجم الختم
القطر (مم)

d ₃

d ₆

d ₇

d8

d ₁₀

l ₁ ك

l ₃

ف

مكسيكو

18

33

27

33

3

34.7

375

195

3.0

4

20

35

29

35

3

36.7

375

195

3.0

4

22

37

31

37

3

38.7

375

195

3.0

4

24

39

33

39

3

40.7

40.0

205

35

5

25

40

34

40

3

41.7

40.0

205

35

5

28

43

37

43

3

44.7

425

215

35

5

30

45

39

45

3

46.7

425

215

35

5

32

48

42

48

3

49.7

425

215

35

5

33

48

42

48

3

49.7

425

215

35

5

35

50

44

50

3

51.7

425

215

35

5

38

56

49

56

4

57.7

45.0

24.0

4.0

6

40

58

51

58

4

59.7

45.0

24.0

4.0

6

43

61

54

61

4

62.7

45.0

24.0

4.0

6

45

63

56

63

4

64.7

45.0

24.0

4.0

6

48

66

59

66

4

67.7

45.0

24.0

4.0

6

50

70

62

70

4

71.7

475

25.0

4.0

6

53

73

65

73

4

74.7

475

25.0

4.0

6

55

75

67

75

4

76.7

475

25.0

4.0

6

58

78

70

78

4

80.5

525

28.0

4.0

6

60

80

72

80

4

82.5

525

28.0

4.0

6

63

83

75

83

4

85.5

525

28.0

4.0

6

65

85

77

85

4

87.5

525

28.0

4.0

6

68

90

81

90

4

92.5

525

28.0

4.0

6

70

92

83

92

4

94.5

60.0

34.0

6.0

8

75

97

88

97

4

100.5

60.0

34.0

6.0

8

80

105

95

105

4

108.5

60.0

34.0

6.0

8

85

110

100

110

4

113.5

60.0

34.0

6.0

8

90

115

105

115

4

118.5

65.0

39.0

10.0

8

95

120

110

120

4

123.5

65.0

39.0

10.0

8

100

125

115

125

4

128.5

65.0

39.0

10.0

8