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Center Drill DIN333A, Right hand cutting

Manufacturing process: fully ground

Material: hss4341, hss9341, hssM2 
Flutes: straight flutes, spiral flutes
Finish: Bright, TiN
Diameter: 1-6.3mm
 
Size (d) D (Body Diameter) L (Allover Length)
1 3.15 31.5
l.60 4 35.5
2 5 40
2.5 6.3 45
3.15 8 50
4 10 56
5 12.5 63
6.3 16 71

Center Drill DIN333B, Right hand cutting

Manufacturing process: fully ground

Material: hss4341, hss9341, hssM2 
Flutes: straight flutes, spiral flutes
Finish: Bright, TiN
Diameter: 1-6.3mm
 
Size (d) D (Body Diameter) L (Allover Length)
1 4 31.5
l.60 6.3 35.5
2 8 40
2.5 10 45
3.15 11.2 50
4 14 56
5 18 63
6.3 20 71

ANSI B94.11M, Plain Type- standard length

 

Size

Drill Diameter D1

Body Diameter D2

Drill Length L1

Overall Length L2

inch

mm

inch

mm

inch

mm

inch

mm

#00

0.025

0.64

1/8

3.18

0.030

0.76

1-7/32

30.95

#0

1/32

0.79

1/8

3.18

3/64

0.97

1-7/32

30.95

#1

3/64

1.19

1/8

3.18

3/64

1.19

1-1/4

31.75

#2

5/64

1.98

3/16

4.76

5/64

1.98

1-7/8

47.62

#3

7/64

2.78

1/4

6.35

7/64

2.78

2

50.80

#4

1/8

3.18

5/16

7.94

1/8

3.18

2-1/8

53.97

#5

3/16

4.76

7/16

11.11

3/16

4.76

2-3/4

69.85

#6

7/32

5.56

1/2

12.70

7/32

5.56

3

76.20

#7

1/4

6.35

5/8

15.88

1/4

6.35

3-1/4

82.55

#8

5/16

7.94

3/4

19.05

5/16

7.94

3-1/2

88.90

#9

11/32

8.73

7/8

22.22

11/32

8.73

3-5/8

92.07

#10

3/8

9.52

1

25.40

3/8

9.52

3-3/4

95.25

ANSI B94.11M, Plain Type- long length

Size (d)  D (Body Diameter) Allover Length
3/16" 5/64" 3"
3/16" 5/64" 4"
5/64" 3/16" 4"
5/64" 3/16" 5"
7/64" 1/4" 4"
7/64" 1/4" 5"
1/8" 5/16" 4"
1/8" 5/16" 5"
1/8" 5/16" 6"
3/16" 716" 5"
3/16" 7/16" 6"
7/32" 1/2" 5"
7/32" 1/2" 6"
1/4" 5/8" 6"
5/16" 3/4" 6"

ANSI B94.11M, Bell Type

Size

Drill Diameter D1

Body Diameter D2

Bell Diameter D3

Drill Length L1

Overall Length L2

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

#11

3/64

1.19

1/8

3.18

0.100

2.54

3/64

1.19

1-1/4

30.95

#12

1/16

1.59

3/16

4.76

0.150

3.81

1/16

1.59

1-7/8

47.62

#13

3/32

2.38

1/4

6.35

0.200

5.08

3/32

2.38

2

50.80

#14

7/64

2.78

5/16

7.94

0.250

6.35

7/64

2.78

2-1/8

53.97

#15

5/32

3.97

7/16

11.11

0.350

8.89

5/32

3.97

2-3/4

69.85

#16

3/16

4.76

1/2

12.70

0.400

1.02

3/16

4.76

3

76.20

#17

7/32

5.56

5/8

15.88

0.500

1.27

7/32

5.56

3-1/4

82.55

#18

1/4

6.35

3/4

19.05

0.600

1.52

1/4

6.35

3-1/2

88.90

Metric

Size

Drill Diameter
D1

Body Diameter
D2

Drill Length
L1

Overall Length
L2

mm

mm

mm

mm

1.6

1.60

4.00

4.25

35.5

2

2.00

5.00

5.30

40.0

2.5

2.50

6.30

6.70

45.0

3.15

3.15

8.00

8.50

50.0

4

4.00

10.00

10.60

56.0

5

5.00

12.50

13.20

63.0

6.3

6.30

16.00

17.00

71.0

8

8.00

20.00

21.20

80.0

10

10.00

25.00

26.50

100.0

 

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