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Center drills



Blade dia

Corner angle
Specification and size
Shank Diameter Overall Length Flute Length

3
90° 3 50 9
120° 3 50 9

4
90° 4 50 9
120° 4 50 9

5
90° 5 50 10
120° 5 50 10

6
90° 6 50 15
120° 6 50 15

8
90° 8 60 17
120° 8 60 17

10
90° 10 75 20
120° 10 75 20

12
90° 12 75 25
120° 12 75 25

14
90° 14 100 30
120° 14 100 30

16
90° 16 100 35
120° 16 100 35

18
90° 18 100 40
120° 18 100 40

20
90° 20 100 40
120° 20 100 40