Type

Dimension (mm)

L

T

S

e

ɑ°

β°

Recommended
Size of drill

HCZA060616

6

6

1.6

0.30

7

45

Ф6

HCZA080720

8

7

2.0

0.35

7

45

Ф8

HCZA100823

10

8

2.3

0.35

5

45

Ф10

HCZA120925

12

9

2.5

0.35

5

45

Ф12

HCZA141028

14

10

2.8

0.40

5

55

Ф14

HCZA161128

16

11

2.8

0.40

5

55

Ф16

HCZA181228

18

12

2.8

0.40

5

55

Ф18

HCZA201328

20

13

2.8

0.40

5

55

Ф20

HCZA221432

22

14

3.2

0.50

5

55

Ф22

HCZA251532

25

15

3.2

0.50

5

55

Ф25

Tolerance (mm)

L

T

S

Dimension

Tolerance

Dimension

Tolerance

Dimension

Tolerance

≤8

＋0.30
＋0.12

6.0-10.0

±0.2

1.6-3.2

±0.1

≥8.0-10.0

＋0.36
＋0.15

11.0-12.0

±0.25

≥10.0-18.0

＋0.43
＋0.18

13.0-15.0

±0.3

≥18.0

＋0.52
＋0.21