d/ diam

3.5 (#6)

3.9 (#7)

4.2 (#8)

4.8 (#10)

5.5 ( #12)

6.3 ( #14)

d(mm)

3.35~3.53

3.73~3.91

4.02~4.22

4.62~4.80

5.28~5.46

6.03~6.25

s(mm)

5.32~5.5

5.32~5.5

6.78~7

7.78~8

7.78~8

9.78~10

dc(mm)

7.6~8.3

7.6~8.3

8.2~8.8

9.8~10.5

10~11

12.2~13.2

k(mm)

3.2~3.45

3.2~3.45

4~4.25

4.15~4.45

5.15~5.45

6.15~6.45

cmin.

0.6

0.6

0.9

0.9

1

1

dp(mm)

2.8

3.1

3.6

4.1

4.8

5.8

tpi

20

18

18

16

14

14

p( pitch )

1.3

1.4

1.4

1.6

1.8

1.8

Thread type

st

st

st

st

st

st

Min. case Hardness

600

600

600

600

600

600

CoreHardness Hv 0.3

300~400

300~400

300~400

300~400

300~400

300~400

Min. Torgue N/cm

2.8

3.4

4.5

6.5

10

14

Drill point , Point #

Nr 2

Nr. 2

Nr. 2

Nr. 3

Nr. 3

Nr. 3

Drilling capacitymm

0.7~2.25

0.7~2.4

0.7~3

1.75~4.4

1.75~5.25

2~6

Material

C1022

C1022

C1022

C1022

C1022

C1022

Lengthavail-able( mm)

9.5~50

9.5~50

9.5~75

13~90

19~150

19~150