Wear-resistant conical drill cross bit for rock blasting

Wear Resistance Taper Drill Cross Bit for Rock BlastingXiamen Bestlink quarrying tools can manufacture the following types according to clients need taper: 4, 6, 7, 11, 12 degree taper. The diameter for taper: 15, 19, 22, 25,, and diameter 26 28, 30, 32, 34, 36, 38 to 42(mm) Furthermore, these products are manufactured in a

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Wear Resistance Taper Drill Cross Bit for Rock Blasting
Wear Resistance Taper Drill Cross Bit for Rock Blasting

Xiamen Bestlink quarrying tools can manufacture the following types according to clients need taper: 4, 6, 7, 11, 12 degree taper. The diameter for taper: 15, 19, 22, 25,, and diameter 26 28, 30, 32, 34, 36, 38 to 42(mm) 

Furthermore, these products are manufactured in accordance with IS09001 stipulations. 
We can design and manufacture drill bits according to customers' requirement of the bit diameter, number of air holes, carbide button shape and the face shape. 

Our clients
Are all over the world, like Germany, Spain, Italy, Russia, Japan, India, Australia, Mexico, Colombia, Brazil,
Chile, South Africa...etc. We have very good reputation worldwide!

Before Official Order, please confirm below informations:
(1) Degree Type
(2) Diameter
(3) Length of skirt.
(4) Socket 

 A. Tapered chisel bits
The tapered chisel bit is 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
DiameterLengthWater hole
Taper degree a=4°  6° 7° 11° 12°
Socket inside diameter d=15, 19, 22, 25
mmmm2
20652
23652
25692
28602
3055 582
3255 64 71 802
3471 802
36742
38742
40742
42742


B. Tapered cross bits
The taper cross bits can be used under any rock drilling condition because of it's comprehensive adaptability. Compared with taper chisel bits, taper cross bits have a better drilling performance because 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
DiameterLengthWeight
Taper degree a=4°  6° 7° 11° 12°
Socket inside diameter d=19, 22, 25
mmmmKG
2871 800.2
2971 800.2
3050 67 71 800.3
3251 67 71 800.3
3371 800.32
34 67 71 800.34
35 67 71 800.35
3671 800.36
38 67 71 800.42
4071 800.43
4269 800.47


C. Tapered button bits 
Comparing with tapered chisel bits and tapered 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. 
 
DescriptionDiameterLengthButton No
Taper degree a=4°  6° 7° 11° 12°
Socket inside diameter d=19, 22, 25
mmmmpcs
28504
29504 5 6 7
3050 805 6 7 8
3250 55 71 806 7 8 9
3350 55 71 806 7 9
3450 557 8
3550 71 804 5 6 7
3650 557
37554 6 7
3850 554 6 7
4050 55 71 5 6 7
42506 7

Wear Resistance Taper Drill Cross Bit for Rock Blasting


Wear Resistance Taper Drill Cross Bit for Rock Blasting

Wear Resistance Taper Drill Cross Bit for Rock Blasting
 

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