High Quality T60 127mm Drop Center Threaded Drill Bit with 19
Buttons for Granite Drilling
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: | 127mm |
| Button Size: | Front 10*14mm Gauge 9*16mm |
| Thread: | T60 |
| Flushing Hole: | 3 Front and 1 Side |
| Application: | Button drill bits are used in granite and marble quarry, gold mine,
railway, tunnel, etc. for drilling |
| Weight: | 11.8 kg |
| Button Type: | Spherical |
| 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 |
| TYPE | Diameter(mm) | QTY of Buttons | QTY of water holes |
| R25 | 33,35,37,38,41,45,48 | 6,7,8,9 | 1+1,2+1,3 |
| R28 | 35,37,38,41,45,48 | 6,7,8,9 | 2,2+1,3,3+1 |
| R32 | 38,41,43,45,48,64,76 | 6,7,8,9,12 | 2,2+1,3+1 |
| R/T38 | 64,76,89,102,115 | 9,10,12,13,14 | 2,3,3+1,4,4+1 |
| T45 | 70,76,89,102,115,127 | 10,12,13,14,16,19,20 | 2+1,3,3+1,4,4+1 |
| T51 | 89,102,115,127,140 | 11,13,14,17,19,20 | 2+1,3,3+1,4,4+1 |
| T60 | 102,115,127,140,152 | 13,16,19,20 | 2,4,4+1 |
| ST58 | 89,102,115,127 | 14,16,19 | 2,4,4+1 |
| ST68 | 102,115,127,152 | 13,14,18,19,20 | 2,3,4 |
Product Advantage:
1. Made from high alloy steel and YK05 tungsten carbide as same
grade as internationally well-known brand
2. Apply "hot (thermal) -insertion" processing procedure to insert
the buttons as same as internationally well-known brand
3. Entire CNC processing procedure ensure the quality consistency
4. Military grade requirements of heat-treatment guarantee
durability
5. Fast penetration rates, and straight and clean hole quality.
Long life of drilling holes.
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 |
| T45 (1 3/4") | 70 | 4×10 | 8×10 | 2 | 1 | 2.24 |
| 76 | 4×11 | 8×12 | 2 | 1 | 2.46 |
| 89 | 6×12 | 8×14 | 2 | 2 | 3.52 |
| 102 | 7×12 | 8×14 | 2 | 2 | 4.46 |
| 115 | 8×12 | 8×14 | 2 | 2 | 6.68 |
| T51 (2") | 76 | 4×12 | 8×12 | 2 | 1 | 3.62 |
| 89 | 6×12 | 8×14 | 2 | 2 | 4.48 |
| 102 | 7×12 | 8×14 | 4 | 1 | 5.26 |
| 115 | 8×12 | 8×14 | 4 | 1 | 7.62 |
| 127 | 9×12 | 8×16 | 4 | 1 | 8.58 |
| ST58 (2 1/4") | 89 | 6×12 | 8×14 | 2 | 2 | 5.46 |
| 102 | 6×12 | 8×14 | 2 | 2 | 6.18 |
| GT60 (2 3/8") | 102 | 6×13 | 8×14 | 4 | - | 7.4 |
| 115 | 7×14 | 9×16 | 3 | - | 9 |
| ST68 (2 3/4") | 102 | 6×14 | 8×16 | 2 | 2 | 8.6 |
| 115 | 6×14 | 9×16 | 3 | - | 11.2 |
