Leading manufacturer of varies kinds of T.C. rock bits in different size, such as chisel bit, cross bit, drag bit etc.
With ISO
With ISO
The chisel bit is made from grade hard alloy and special steel, generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm.
It is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.
It is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.
|
Drill Type
|
Bit diamater (D)
|
Taper
|
Whter hole
|
(d) mm
|
Part on
|
|
|
mm
|
in
|
|||||
|
Chisel Type Bits |
30
|
1 3/16"
|
7°
|
2
|
22
|
Y130-722
|
|
32
|
1 17/64"
|
7°
|
2
|
22
|
Y132-722
|
|
|
34
|
1 11/32"
|
7°
|
2
|
22
|
Y134-722
|
|
|
36
|
1 27/64"
|
7°
|
2
|
22
|
Y136-722
|
|
|
38
|
1 1/2"
|
7°
|
2
|
22
|
Y138-722
|
|
|
40
|
1 37/64"
|
7°
|
2
|
22
|
Y140-722
|
|
|
42
|
1 21/32"
|
7°
|
2
|
22
|
Y142-722
|
|
|
43
|
1 11/16"
|
7°
|
2
|
22
|
Y143-722
|
|
|
44
|
1 47/64"
|
7°
|
2
|
22
|
Y144-722
|
|
|
46
|
1 13/16"
|
7°
|
2
|
22
|
Y146-722
|
|

