64mm T38 Hard Rock Drill Bits
Hard Rock Drill Bits are made by high quality alloy steel bar and
tungsten carbides. Through heat treatment, our drilling tools are
tough enough to meet rock drilling demands and have the least loss
of energy while drilling the rocks. Besides, we can design
customized thread button drill bits according to different drilling
application, and custom drill bits are applicable to drill soft
rock, loose-medium rock and hard rock.
A: Drifting and Tunneling
thread: R25, R28, R32
diameter: 33mm-76mm
B: Bench Drilling
thread: R3212, R32, HL38, T38, T45, T51, T60
diameter: 48mm-152mm
C: Tube Drilling
thread: ST58, ST68
diameter: 89mm-152mm
OEM and ODM--- We can design and manufacture according to customers's samples
or drawings of the Bit Dia., No. Of air/water holes, carbide button
shape and the face shape.
Super Quality--- Our button bit is made with high quality of best quality alloy
steel bar and tungsten carbides, through heat treatment so that it
can withstand the toughest rock drilling demands, and transmit
intensive impact energy into the rock with the least possible loss
of energy.
Global Reputation--- The drill button bit is widely used in metallurgy mine,
geological exploration, water conservancy construction,
electricity, traffic, tunnel, quarry, national defence stone
project etc. Our clients
Specification
T38 Thread Bit
| Bit Dia | Tip size(mm) | | No. of flushing holes | Weight |
| mm | | | (kg) |
| Gauge | Front | Side | Front | |
| 57 | 5*11 | 3*10 | 1 | 1 | 1.6 |
| 64 | 5*12 | 3*11 | 1 | 1 | 1.6 |
| 76 | 5*14 | 3*12 | 1 | 2 | 2.4 |
| 64 | 8*9 | 4*9 | 2 | 2 | 1.8 |
| 76 | 8*11 | 4*10 | 2 | 2 | 2.6 |
| 89 | 8*12 | 6*11 | 2 | 2 | 3.3 |
| 102 | 8*13 | 6*12 | 2 | 2 | 4.7 |
| 64 | 6*10 | 4*9 | 0 | 3 | 1.7 |
| 70 | 6*11 | 4*10 | 0 | 3 | 2.2 |
| 89 | 6*14 | 4*12 | 0 | 3 | 4.3 |
| 64 | 8*9 | 5*8 | 0 | 4 | 1.7 |
| 70 | 8*10 | 5*9 | 0 | 4 | 2.2 |
| 76 | 8*11 | 5*10 | 0 | 4 | 2.7 |
| 89 | 8*12 | 6*11 | 0 | 4 | 3.3 |
| 102 | 8*13 | 6*12 | 0 | 4 | 4.7 |
| 60 | 8*9 | 3*9 | 2 | 2 | 1.7 |
| 64 | 8*9 | 4*9 | 2 | 2 | 2 |
| 70 | 8*10 | 4*10 | 2 | 2 | 2.4 |
| 76 | 8*11 | 4*10 | 2 | 2 | 3.2 |
| 89 | 8*12 | 5*12 | 2 | 2 | 5.8 |
| 64 | 8*9 | 5*9 | 0 | 4 | 1.9 |
| 70 | 8*10 | 5*10 | 0 | 4 | 2.4 |
| 76 | 8*11 | 5*10 | 0 | 4 | 3.3 |
| 89 | 8*12 | 6*11 | 0 | 4 | 5.3 |
