2018年4月18日星期三

Tapered Button Drill Bits

http://www.chinacoalglobal.com/productinfo1483
sales@chinacoalintl.com
+86-537-2350961
chinacoal011

Introduction of Tapered Button Drill Bits

Tapered Button Drill Bits has the advantages as following:
1) With carbide buttons hot pressed on bits bodies, Tapered Button Bits have a very good drilling performance and long life time. Different diameters and taper degrees are available to suit different applications in mining, quarrying etc. We can supply long skirt and short skirt Tapered Button Bits.
2) No matter what kinds of rock—Soft rock, loose medium rock, hard rock and any other special formations, just tell us what you need and leave others at our disposal, We can also do according to customers' drawing or sample. So if you are interested in our products, please feel free to let us know. We also wish can do business with the people from all over the world.

Bit face Design of Tapered Button Drill Bits

1. Flat face, drop centre, tungsten carbide hemispherical and ballistic.
2. Normal and retrac body.Couplings sleeve- manufactured with a middle stop to prevent walking  . Include couplings sleeve.
3. Shank adaptors - carburized and manufactured with tight tolerances and controlled straightness.

Parameter of Tapered Button Drill Bits

Type
Dia
mm
No.of buttons
Buttons*button dia
Flushing hole
Weight kg
Guage
Centre
Side
Centre

R25
38
7
5*9
2*7
1
1
0.6
41
7
5*9
2*8
1
1
0.5
45
7
5*11
2*8
2
1
0.7
R28
38
7
5*9
2*7
1
1
0.6
38
6
4*9
2*8
2
1
0.6
43
7
5*9
2*9
2
1
0.7
R32
45
7
5*11
2*8
2
1
0.8
48
7
5*11
2*9
2
1
1.0
51
7
5*11
2*10
2
1
1.0
57
9
6*11
3*9
-
3
1.1
64
12
8*10
4*10
-
2
1.5
76
12
8*11
4*11
-
2
1.8
T38
64
12
8*10
4*10
-
2
1.6
70
10
6*11
3*11
-
3
1.9
76
13
8*12.7
5*11
1
2
2.3
89
13
8*12.7
4*11
-
4
3.0
102
14
8*14.5
6*12.7
1
4
3.9
T45
70
10
6*11
3*11
-
3
2.0
76
14
8*12.7
4*11
2
2
2.5
89
13
8*12.7
4*11
-
4
3.0
102
13
8*14.5
4*12.7
-
4
6.4
115
14
8*14.5
6*14.5
1
4
5.8
T51
89
12
8*12.7
4*12.7
-
2
3.5
89
13
8*12.7
4*11
-
4
3.5
102
13
8*14.5
4*12.7
-
4
5.3
115
16
9*14.5
6*14.5
-
3
9.7
127
20
10*14.5
10*12.7
-
2
6.8

Pictures of Tapered Button Drill Bits



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