Views: 6 Author: Site Editor Publish Time: 2020-05-27 Origin: Site
Comparing with taper chisel bits and taper cross bits, button bits has higher technology, much longer primary drilling time and higher drilling efficiency, so that the button bit is popular among the users.
According to the tungsten carbide insert, tapered button bits can be divided into the types of hemispherical button, conical button 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.
taper degree: 4°46″, 6°, 7°, 11° and 12°
diameter: 28mm to 45mm
carbide profile: spherical and ballistic
socket inside diameter: 19mm / 22mm / 25mm
carbide quantity: 4 to 8 pieces
length: 50mm to 80mm
Description | Diameter | Length | Weight |
Taper Chisel Bit | mm | mm | kg |
20 | 65 | 0.15 | |
Taper:a=4°, 6°,7°,11°,12° | 22 | 65 | 0.15 |
Socket inside Dia. D=15,19, 22, 25 | 25 | 69 | 0.15 |
| 28 | 60 | 0.2 |
30 | 55 80 | 0.2 | |
32 | 55 64 71 80 | 0.25 | |
34 | 71 80 | 0.29 | |
36 | 71 80 | 0.35 | |
38 | 71 80 | 0.4 | |
40 | 71 80 | 0.42 | |
42 | 71 80 | 0.42 | |
45 | 71 80 | 0.45 |
Description | Diameter | Length | Weight |
Taper Cross Bit | mm | mm | kg |
24 | 71 80 | 0.18 | |
Taper:a=6°,7°,11°,12° | 26 | 71 80 | 0.19 |
Socket inside Dia. D=19, 22, 25 | 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 | |
46 | 80 | 0.51 | |
48 | 80 | 0.53 | |
50 | 80 | 0.6 | |
55 | 85 | 0.7 |
Description | Diameter | Length | No. of buttons | Weight |
Taper Button Bit | mm | mm | kg | |
26 | 50 | 5 | 0.2 | |
Taper:a=4°46" 6°,7°,11°,12° | 27 | 50 | 5 6 | 0.2 |
Socket inside Dia. D=19, 22, 25 | 28 | 50 | 4 5 | 0.2 |
| 29 | 50 | 4 | 0.2 |
30 | 50 80 | 4 5 6 7 | 0.2 0.3 | |
32 | 50 55 71 80 | 5 6 7 8 | 0.2 0.22 0.3 | |
33 | 50 55 71 80 | 6 7 8 9 | 0.2 0.3 0.36 | |
34 | 50 55 | 6 7 9 | 0.22 0.3 | |
35 | 55 71 80 | 7 8 | 0.22 0.3 0.37 | |
36 | 50 55 | 4 5 6 7 | 0.3 0.35 | |
37 | 55 | 7 | 0.3 | |
38 | 50 55 | 4 6 7 | 0.25 0.35 | |
40 | 50 55 | 4 6 7 | 0.35 | |
41 | 50 55 71 | 7 | 0.35 | |
42 | 50 | 4 5 | 0.4 | |
45 | 50 55 71 | 6 7 | 0.5 |