Drill Sets, HSS, HSSCo, drill sets

NO

Cylindricald = D

1.5

2

2.2

2.5

2.6

2.8

3

3.1

3.15

3.2

3.5

3.6

3.7

4

4.5

5

5.5

5.6

6

6.3

7

7.1

8

9

10

11

12

12.5

14

16

18

20

22

25

27

30

32

38

40

45

55

65

MK-1

MK-2

MK-3

MK-4

WELDON-6

WELDON-10

WELDON-12