7 11 12 Degree Tungsten Carbide Tapered Shank Rock Drill Button Bits Rock Drilling Bits
China 7 11 12 Degree Tungsten Carbide Tapered Shank Rock Drill Button Bits Rock Drilling Bits, Find details about China Drill Bit, Drilling Bit from 7 11 12 Degree Tungsten Carbide Tapered Shank Rock Drill Button Bits Rock Drilling Bits
Basic Info.
Model NO.
4 46", 6, 7, 11, 12 Taper Degree
Rock Type
Granite, Marble, Sandstone etc
Socket Inside Diameter
15, 19, 22, 25mm
Applicable
for Rock Drilling, Quarrying, Mining
Diameter
20-45 mm
Button Shape
Spherical/Parabolic
Compatible
with Rock Drill Y20 Y24 Yt24 Yt28 etc.
Usable
with Taper Drill Steel Rod
Delivery Time
Within 25days After Receipt Your Payment by T/T
Keyword
Drill Bit
Trademark
BESTLINK
Transport Package
Plywood Box, Carton, Wooden Case, etc
Specification
SGS
Origin
Xiamen, China
HS Code
82071990
Model NO.
4 46", 6, 7, 11, 12 Taper Degree
Rock Type
Granite, Marble, Sandstone etc
Socket Inside Diameter
15, 19, 22, 25mm
Applicable
for Rock Drilling, Quarrying, Mining
Diameter
20-45 mm
Button Shape
Spherical/Parabolic
Compatible
with Rock Drill Y20 Y24 Yt24 Yt28 etc.
Usable
with Taper Drill Steel Rod
Delivery Time
Within 25days After Receipt Your Payment by T/T
Keyword
Drill Bit
Trademark
BESTLINK
Transport Package
Plywood Box, Carton, Wooden Case, etc
Specification
SGS
Origin
Xiamen, China
HS Code
82071990
Product Desciption
7 11 12 Degree Tungsten Carbide Tapered Shank Rock Drill Button Bits Rock Drilling Bits
(1)Taper angle: 4° , 4° 46, 6° , 7° , 11° , 12°
(2)Models: Chisel/cross/button bit
(3)Diameter: 20-45 mm
(4)Button bit shape: Spherical/parabolic
(5)Socket inside diameter: 15/19/22/25mm
Our tapered drill bits are made with high quality alloy steel bar and tungsten carbides, through heat treatment.
1. Tapered chisel bit
Widely used in drilling holes with depth less than 5 meters and diameter ranged in 20-45 mm by light-duty rock drill, like Y6.
2. Tapered cross bit
Used under any rock drilling condition and mainly used for hard or very hard rock formation because of it's comprehensive adaptability. Compared with taper chisel bits, taper cross bits have a better drilling performance because of carbide tips on cross bits doubled, which means carbides shape are cross type on drill bits. Taper cross bit is mainly used for hard or very hard rock formation.
3. Tapered Button Bits
Comparing with taper chisel and cross bits, button bits have higher technology, much longer primary drilling time and higher drilling efficiency. According to the tungsten carbide insert, button bits can be divided into types of hemispherical, conical and parabolic button, etc.
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.
(1)Taper angle: 4° , 4° 46, 6° , 7° , 11° , 12°
(2)Models: Chisel/cross/button bit
(3)Diameter: 20-45 mm
(4)Button bit shape: Spherical/parabolic
(5)Socket inside diameter: 15/19/22/25mm
Our tapered drill bits are made with high quality alloy steel bar and tungsten carbides, through heat treatment.
1. Tapered chisel bit
Widely used in drilling holes with depth less than 5 meters and diameter ranged in 20-45 mm by light-duty rock drill, like Y6.
| Description | Diameter | Length | Water hole |
| Taper degree a=4°,6°,7°,11°,12°; Socket inside d=15,19,22,25mm | mm | mm | 2 |
| 20 | 65 | 2 | |
| 23 | 65 | 2 | |
| 25 | 69 | 2 | |
| 28 | 60 | 2 | |
| 30 | 55 88 | 2 | |
| 32 | 55 64 71 80 | 2 | |
| 34 | 71 80 | 2 | |
| 36 | 74 | 2 | |
| 38 | 74 | 2 | |
| 40 | 74 | 2 | |
| 42 | 74 | 2 | |
| 45 | 74 | 2 |
2. Tapered cross bit
Used under any rock drilling condition and mainly used for hard or very hard rock formation because of it's comprehensive adaptability. Compared with taper chisel bits, taper cross bits have a better drilling performance because of carbide tips on cross bits doubled, which means carbides shape are cross type on drill bits. Taper cross bit is mainly used for hard or very hard rock formation.
| Description | Diameter | Length | Weight |
| Taper degree a=6 °,7°,11°,12° ; Socket inside d=19,22,25mm | mm | mm | kg |
| 28 | 71 80 | 0.19 | |
| 29 | 71 80 | 0.2 | |
| 30 | 50 67 71 80 | 0.3 | |
| 32 | 50 67 71 80 | 0.3 | |
| 33 | 71 80 | 0.32 | |
| 34 | 67 71 80 | 0.34 | |
| 35 | 67 71 80 | 0.35 | |
| 36 | 71 80 | 0.36 | |
| 38 | 67 71 80 | 0.42 | |
| 40 | 71 80 | 0.43 | |
| 41 | 71 | 0.45 | |
| 42 | 69 80 | 0.46 | |
| 44 | 80 | 0.47 | |
| 45 | 80 | 0.5 |
3. Tapered Button Bits
Comparing with taper chisel and cross bits, button bits have higher technology, much longer primary drilling time and higher drilling efficiency. According to the tungsten carbide insert, button bits can be divided into types of hemispherical, conical and parabolic button, etc.
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.
| Description | Diameter | Length | No. of button | Weight |
| Taper Angle a=4°46″,6 °,7°,11°,12°; Socket inside d=19,22,25mm | mm | mm | pcs | kg |
| 28 | 50 | 4 | 0.2 | |
| 29 | 50 | 4 5 6 7 | 0.2 | |
| 30 | 50 80 | 5 6 7 8 | 0.2 0.3 | |
| 32 | 50 55 71 80 | 6 7 8 9 | 0.2 0.22 0.3 | |
| 33 | 50 55 71 80 | 6 7 9 | 0.2 0.3 0.36 | |
| 34 | 50 55 | 7 8 | 0.22 0.3 | |
| 35 | 55 71 80 | 4 5 6 7 | 0.22 0.3 0.37 | |
| 36 | 50 55 | 7 | 0.3 0.35 | |
| 37 | 55 | 4 6 7 | 0.3 | |
| 38 | 50 55 | 4 6 7 | 0.25 0.35 | |
| 40 | 50 55 | 7 | 0.35 | |
| 41 | 50 55 71 | 4 5 | 0.35 | |
| 42 | 50 | 6 7 | 0.4 | |
| 45 | 50 55 71 | 6 7 8 9 | 0.5 |
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