4 – 4.5

H 1/2

47

15

7

46.8mm

15mm

5.5

K

50

16

10

50.6mm

16mm

6.5

M 1/2

53

17

13

53.1mm

17mm

8

P

56

18

16

57mm

18mm

9

S

60

19

20

59.5mm

19mm

10 – 10.5

U

63

20

23

62.1mm

20mm

11.5

W 1/2

66

21

26

65.9mm

21mm

12.5 – 13

Z

69

22

29

68.5mm

22mm