L

B

H

d

α

c

n

1212/1.5

12.6

12.6

2.0

4.0

1

1414/1.2

14.9

14.9

2.0

8.35

1

1414/2.0

14.7

14.7

2.5

6.3

1

1515/2.5

15.7

15.7

3.0

6.2

1

2012

20.4

12.6

2.0

4.0

1

3012

30.5

12.6

2.0

4.0

8.2

14

2

4012

40.5

12.6

2.0

4.0

5.2

26

2

5012

50.4

12.6

2.2

4.0

12.2

26

2 (Off-Punch)

6012

60.6

12.6

2.2

4.0

17.3

26

2 (4)

82.5x6.5x1.75

82.5

6.5

1.75

Straight Groove

83x6x1.75

83

6.0

1.75

82.5x7x1.75

82.5

7.0

1.75

L

B

H

d

1212

12

12

1.5

4

L

B

H

d

f

1414/1.2

14

14

1.2

8.3

0.6

1414/2

14

14

2

6.3

0.2

1415/1.5

13.4

13.4

1.5

6.5

0.2

1515/2.5

15

15

2.5

6.3

0.4

L

B

H

d

α (°)

c

n

Remark

2012

20

12

1.5

4.0

35

—

1

—

3012

30

12

1.5

4.0

35

14

2

—

4012

40

12

1.5

4.0

35

26

2

—

5012

50

12

1.5

4.0

35

26

2 (4)

Flat Hole

6012

60

12

1.5

4.0

35

26

2 (4)

—

L

B

H

h

b

α (°)

83x6x1.75

82

5.5

1.2

0.45

1.6

35

L

B

H

L1

L2

h

b

b1

α (°)

82

82

5.5

1.1

70

48

0.5

1.5

1.8

40