规格

φd(E7)

φd(r6)

φF

t

L

L

JDBB650-12X15

12

+0.050
+0.032

18

+0.034
+0.023

25

11

15

JDBB65016X20

16

22

+0.041
+0.028

30

15

20

JDBB650-20X25

20

+0.061
+0.040

28

36

20

25

JDBB650-25X30

25

33

+0.050
+0.034

43

25

30

JDBB650-30X35

30

+0.075
+0.050

38

48

30

35

40

50

60

40

45

JDBB650-50X55

50

62

+0.060
+0.041

75

49

55

JDBB650-60X65

60

+0.090
+0.060

75

+0.062
+0.043

90

58

65