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Chisel bit
In-line drill bit

Bit diameter
Drill bit diameter

Buttons alloy sheet

Taper
Cone angle

Waterhole
Water hole

Part No.
Serial number

mm

in

thick X hight

Bit diameter

buttons

taper

waterhole

Part No.

mm

in

thick X hight

20

25/32”

6 X 12

4°

2

Y120-415

32

117/64”

8~10 X 13.5~15

7°

2

Y132-722

34

111/32”

8~10 X 13.5~15

7°

2

Y134-722

36

127/64”

8~10 X 13.5~18

7°

2

Y136-722

38

11/2”

8~10 X 13.5~18

7°

2

Y138-722

40

137/64”

8~10 X 13.5~18

7°

2

Y140-722

42

121/32”

8~10 X 13.5~18

7°

2

Y142-722