High Quality T38 64mm Drop Center Threaded Button Bit Rock Drill
Bits For Mining
Product Description:
The threaded drill bit is equipped with the hydraulic drilling
jumbo and used for crush rock ,and it is widely used in tunnel
construction, large scale mine(open and underground )and large
section tunnel advance in metal mine.How to choose the drill bit
design is very important for the drilling work efficiency:
Spherical buttons: The height of exposed teeth is low, mainly used
in the very hard rock formation above F14, to improve wear
resistance, to prevent the situation of debris, it should take
lower drilling speed.
Ballistic buttons: It can expose more height of buttons, mainly
used in soft rock and ordinary rock below F12, with quicker
drilling speed, but encountered hard rock, very easily to happen
buttons debris phenomenon.
Products Parameters:
| Product Name: | Button Drill Bit |
| Diameter: | 64mm |
| Button Size: | Front 5*9mm Gauge 8*10mm |
| Thread: | T38 |
| Flushing Hole: | 1 Front and 1 Side |
| Application: | Button drill bits are used in granite and marble quarry, gold mine,
railway, tunnel, etc. for drilling |
| Weight: | 1.8 kg |
| Button Type: | Ballistic Buttons |
| Body Type: | Normal ( Round) |
| Face Type: | Drop Center |
| Material: | Alloy steel bar 45CrNiMoV and tungsten carbide tips YK05 |
| MOQ: | No requirement for testing and trial order |
We can design and manufature according to your requirment of
diameter, number air holes and carbide button shape |
| Product | Thread Button Bit |
| Skirt type | Retrac skirt, Normal skirt,Straighttrac skirt. |
| Face type | Flat face,Drop center, Uni-face |
| Button type | Spherical, Conical, Ballistic |
| Thread type | R25 R28 R32 R38 T38 T45 T51 GT60 ST68 |
| Diameter | 32mm-127mm |
Product Advantage:
1. Widely used drifting and tunneling
2. Bit face design is ideal for medium-hard to hard abrasive rock
3. Color: Green,Blue or Based on Customer requirements
Specification of other Thread Button Bits:
| Name of Product | Diameter | Button size(mm) | No. of Flushing Holes | Weight |
| mm | Gauge | Front | Side | Side | (kg) |
| T38 Thread | 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 |
| T38 Retract Thread | 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 |
