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Q7-34mm rock drilling tools tungsten carbide mining drill bit Tapered button bit
High quality tungsten carbide drills bits D42mm button drill bit for rock drilling
The Drill Bits are made from grade hard alloy and special steel, generally matched with the light-duty rock
drill, to drill the rock hole within diameter of 50mm. The drill tools are used in metallurgy mine, geological
exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone
project etc.
Product name | Tapered Button Bits |
Material | Tungsten Carbides |
Application | Quarrying, small hole drilling |
Advantage | High Performance |
Color | Customized |
Usage | Mining / Quarrying / Tunneling |
Button Type | Hemispherical/Parabolic/Ballistic / Conical |
Small Hole Drilling Tools, Tapered Tools, 7 Degree | |||||||||
Bit Dia | Button and Size(mm) | Flushing Hole | Weight | Part Number | Product Code | ||||
mm | inch | Front | Gauge | Angle | Front | Side | kg | ||
32 | 1 1/4 | 1x8 | 3x8 | 35° | 1 | 1 | 0.24 | 4148300157 | BS432-7D-22 |
36 | 1 3/7 | 1x8 | 3x9 | 40° | 1 | 1 | 0.37 | 4148300161 | BS436-7D-22 |
38 | 1 1/2 | 1x8 | 3x9 | 35° | 1 | 1 | 0.37 | 4148300163 | BS438-7D-23 |
40 | 1 4/7 | 1x8 | 3x9 | 30° | 1 | 1 | 0.38 | 4148300166 | BS440-7D-23-1 |
40 | 1 4/7 | 1x9 | 3x10 | 30° | 1 | 1 | 0.4 | 4148300167 | BS440-7D-23-2 |
40 | 1 4/7 | 1x9 | 3x9 | 35° | 1 | 1 | 0.4 | 4148300168 | BS440-7D-23-3 |
42 | 1 2/3 | 1x8 | 3x9 | 30° | 1 | 1 | 0.4 | 4148300170 | BS442-7D-23-1 |
42 | 1 2/3 | 1x9 | 3x10 | 30° | 1 | 1 | 0.43 | 4148300171 | BS442-7D-23-2 |
42 | 1 2/3 | 1x9 | 3x9 | 35° | 1 | 1 | 0.43 | 4148300172 | BS442-7D-23-3 |