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Description
Button bits with hemispherical button is for high bearing capacity and abrasive resistance while conical button and parabolic button are for high drilling speed and low abrasive resistance.
Product Name:
11 degree 34mm rock drilling taper button bits
Types
Tapered Chisel Bits, Tapered Cross Bits, tapered button bits
Application::
Tapered drill bits are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling
Feature:
Tapered drill bits connect tapered drill steel of rock drill for drilling holes
Material:
High quality carbide and high quality steel
MOQ:
No requirement for testing and trial order
We can design and manufature according to your requirment of diameter, number air holes and carbide button shape.
Types of drill bits
Diameter (mm)
Taper Angle (Degree)
Length (mm)
Weight (kg)
Tapered chisel bits
20/22/28/30/32/34/36/38/40
4 degree/ 6 degree/ 7 degree/ 11 degree/ 12 degree
50/55/60/71/80
0.15 - 0.45
Tapered cross bits
24/26/28/30/32/33/34/35/36/3/38/40/42/48/50/55
50/55/60/71/80
0.18 - 0.7
Tapered button bits
28/29/30/32/33/34/35/36/37/38/40/41/42/45
50/55/60/71/80
0.2 - 0.5
| Description |
Diameter |
Length |
No. of |
|
Taper degree a= 4o46" 6o 7o |
mm |
mm |
pcs |
|
28 |
50 |
4 |
|
|
29 |
50 |
4 5 6 7 |
|
|
30 |
50 80 |
5 6 7 8 |
|
|
32 |
50 55 71 80 |
6 7 8 9 |
|
|
33 |
50 55 71 80 |
6 7 9 |
|
|
34 |
50 55 |
7 8 |
|
|
35 |
55 71 80 |
4 5 6 7 |
|
|
36 |
50 55 |
7 |
|
|
37 |
55 |
4 6 7 |
|
|
38 |
50 55 |
4 6 7 |
|
|
40 |
7 |
||
|
41 |
50 55 71 |
4 5 |
|
|
42 |
50 |
6 7 |
|
|
45 |
50 55 71 |
6 7 8 9 |
Product picture
