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Code

25.4mm teeth per

Pitch

p

d1

l

L

l 1max

l5

a

l2

Rc1/16

28

0.907

5.6

14

52

10.1

2.7

4.5

7

Rc1/8

28

0.907

8.0

15

59

10.1

2.7

6.3

9

Rc1/4

19

1.337

10.0

19

67

15.0

4.0

8.0

11

Rc3/8

19

1.337

12.5

21

75

15.4

4.0

10.0

13

Rc1/2

14

1.814

16.0

26

87

20.5

5.5

12.5

15

Rc3/4

14

2.309

20.0

28

96

21.8

5.5

16.0

20

Rc1

11

2.309

25.0

33

109

26.0

7

20.0

24

Rc1 1/4

11

2.309

31.5

36

119

28.3

7

25.0

28

Rc1 1/2

11

2.309

35.5

37

125

28.3

7

28.0

31

Rc2

11

2.309

40.0

41

140

32.7

7

31.5

34

Rc2 1/2

11

2.309

45.0

46

153

37.1

7

35.5

38

Rc3

11

2.309

50.0

48

164

40.2

7

40.0

42

Rc3 1/2

11

2.309

63.0

50

173

41.9

7

50.0

51

Rc4

11

2.309

71.0

53

185

46.2

7

56.0

56