DTH Button Bits
Products features:
1.high and low air pressure down-the-hole drill bits
2.Low air pressure hole Dia.:65-220mm
3.High air pressure hole Dia.:85-305mm
4.Face type:drop center/concave/convex/double gauge/flat
5.Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.
Cutting 
Polish&Drill
+ 
Mining
Machines
Specification
DTH bit is our main product. After many years’ search, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.| High air pressure DTH Bits | ||||
| DTH Drill Bit | Bit Dia.(mm) | Gauge Buttons | Front Buttons |
Weight (Kg) |
|
HD35 (IR35,Cop34) |
85 | 6×Φ13 | 4×Φ12 | 4.2 |
| 90 | 6×Φ14 | 4×Φ12 | 4.5 | |
| 95 | 6×Φ14 | 4×Φ13 | 4.8 | |
| 100 | 8×Φ12 | 6×Φ12 | 5.0 | |
| 105 | 8×Φ13 | 6×Φ12 | 5.5 | |
|
HD45 (DHD340A ,Cop44) |
105 | 6×Φ14 | 5×Φ13 | 8.5 |
| 110 | 7×Φ14 | 6×Φ13 | 8.8 | |
| 115 | 8×Φ14 | 7×Φ13 | 9.0 | |
| 120 | 8×Φ14 | 8×Φ13 | 9.8 | |
| 127 | 9×Φ14 | 9×Φ14 | 11.0 | |
|
HD55 (DHD350R ,Cop54) |
133 | 7×Φ16 | 6×Φ14 | 16 |
| 140 | 8×Φ16 | 7×Φ14 | 16.5 | |
| 146 | 8×Φ14 | 8×Φ14 | 17 | |
| 152 | 8×Φ14 | 7×Φ16 | 17.5 | |
| 165 | 8×Φ14 | 8×Φ16 | 18.5 | |
| 2.5" DTH BIT | D=76mm | CWG76 |
| 80mm | ||
| 3.5" DTH BIT | D=90mm | |
| 95mm | DHD3.5 | |
| 100mm | ||
| 105mm | ||
| 4" DTH BIT | D=105mm | |
| 108mm | DHD340A | |
| 115mm | Mission40 | |
| 120mm | COP44 | |
| 125mm | ||
| 130mm | ||
| D=105mm | TD40 | |
| 108mm | ||
| 115mm | ||
| 120mm | ||
| 125mm | ||
| 130mm | ||
| 5" DTH BIT | D=133mm | DHD350R |
| 140mm | COP54 | |
| 148mm | QL50 | |
| 152mm | Mission50 | |
| 6" DTH BIT | D=152mm | |
| 155mm | ||
| 165mm | ||
| 171mm | Mission60 | |
| 178mm | QL60 | |
| 190mm | ||
| 203mm | ||
| 219mm | ||
| 254mm | ||
| 8" DTH BIT | D=194mm | |
| 200mm | ||
| 203mm | ||
| 216mm | ||
| 219mm | DHD380 | |
| 222mm | COP84 | |
| 235mm | QL80 | |
| 254mm | Mission80 | |
| 270mm | ||
| 305mm | ||
| 311mm | ||
| 325mm | ||
| 350mm |
