ఇంటిగ్రల్ డ్రిల్ స్టీల్

సిరీస్

పొడవు

బిట్ దియా.

mm

ft

in

mm

in

11

800

2′

7″

34

1 11/32″

1600

5′

3″

33

1 19/64″

2400

7′

10″

32

1 1/4″

3200

10′

6″

31

1 7/32″

4000

13′

1″

30

1 3/16″

4800

15′

9″

29

1 9/64″

5600

18′

4″

28

1 7/64″

6400

21′

–

27

1 1/16″

7200

23′

8″

26

1 1/32″

12

800

2′

7″

40

1 37/64″

1600

5′

3″

39

1 17/32″

2400

7′

10″

38

1 1/2″

3200

10′

6″

37

1 29/64″

4000

13′

1″

36

1 27/64″

4800

15′

9″

35

1 3/8″

5600

18′

4″

34

1 11/32″

6400

21′

–

33

1 19/64″

7200

23′

8″

32

1 1/4″

13

400

1′

4″

34

1 11/32″

800

2′

7″

33

1 19/64″

1200

3′

11″

32

1 1/4″

1600

5′

3″

31

1 7/32″

2000

6′

7″

30

1 3/16″

16

600

2′

–

35

1 3/8″

1200

3′

11″

34

1 11/32″

1800

5′

11″

33

1 19/64″

2400

7′

10″

32

1 1/4″

17

600

2′

–

41

1 5/8″

1200

3′

11″

40

1 37/64″

1800

5′

11″

39

1 17/32″

2400

7′

10″

38

1 1/2″

2000

6′

7″

33

1 19/64″

8000

26′

3″

26

1 1/32″

8800

28′

11″

25

1″

9600

31′

6″

25

1″

800

2′

7″

29

1 9/64″

1600

5′

3″

28

1 7/64″

2400

7′

10″

27

1 1/16″

సిరీస్

పొడవు

బిట్ దియా.

mm

ft

in

mm

in

400

1′

4″

24

15/16″

400

1′

4″

29

1 9/64″

800

2′

7″

28

1 7/64″

1600

5′

3″

27

1 1/16″