Tungsten Carbide DTH Drill Bit with High/Mediam/Low Air Pressure DTH Drilling Tools
DTH Drill Button Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special "stress relief" processes ensure consistent performance.
DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.
We can design and manufacture according to customer's requirement of the down the hole bits Diameter,No. air holes,carbide button shape and the face shape.
Related Hammer specification
High Air Pressure DTH Hammer (with foot valve) Technical Data
| DHD/COP series DTH HAMMERS |
| DTH hammer type |
DHD35 |
DHD340 |
DHD350 |
DHD360 |
DHD380 |
DHD1120 |
| Bit shank |
DHD3.5 |
COP44 DHD340 |
COP54 DHD350R |
COP64 DHD360 |
COP84 DHD380 |
DHD1120 |
| Hole range(mm) |
Φ90-110 |
Φ110-135 |
Φ135-155 |
Φ155-190 |
Φ195-254 |
Φ305-445 |
| Connection thread |
API 2 3/8” Reg. |
API 2 3/8"Reg |
API 2 3/8"Reg |
API 3 1/2"Reg |
API 4 1/2"Reg |
API 6 5/8"Reg |
| |
|
API 3 1/2"Reg |
|
|
|
| Working pressure |
1.0-1.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
| QL series DTH HAMMERS |
| DTH hammer type |
QL40 |
QL50 |
QL60 |
QL80 |
|
|
| Bit shank |
QL40 |
QL50 |
QL60 |
QL80 |
|
|
| Hole range(mm) |
Φ110-135 |
Φ135-155 |
Φ155-190 |
Φ195-254 |
|
|
| Connection thread |
API 2 3/8"Reg |
API 3 1/2"Reg |
API 3 1/2"Reg |
API 4 1/2"Reg |
|
|
| Working pressure |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
|
|
| SD series DTH HAMMERS |
| DTH hammer type |
SD4 |
SD5 |
SD6 |
SD8 |
SD10 |
SD12 |
| Bit shank |
SD4 |
SD5 |
SD6 |
SD8 |
SD10 |
SD12 |
| Hole range(mm) |
Φ110-135 |
Φ135-155 |
Φ155-190 |
Φ195-254 |
Φ254-311 |
Φ305-445 |
| Connection thread |
API 2 3/8"Reg |
API 3 1/2"Reg |
API 3 1/2"Reg |
API 4 1/2"Reg |
API 4 1/2"Reg |
API 6 5/8"Reg |
| |
|
|
|
API 6 5/8"Reg |
| Working pressure |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
| NUMA series DTH HAMMERS |
| DTH hammer type |
NUMA100 |
NUMA120 |
NUMA125 |
|
|
|
| Bit shank |
NUMA100 |
NUMA120 |
NUMA125 |
|
|
|
| Hole range(mm) |
Φ254-311 |
Φ305-445 |
Φ305-445 |
|
|
|
| Connection thread |
API 6 5/8"Reg |
API 6 5/8"Reg |
API 6 5/8"Reg |
|
|
| Working pressure |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
|
|
|
|
High Air Pressure DTH Hammer (without foot valve) Technical Data
| DHD/COP series DTH HAMMERS |
| DTH hammer type |
DHD35 |
DHD340 |
DHD350 |
DHD360 |
DHD380 |
DHD1120 |
| Bit shank |
IR3.5 |
COP44 DHD340 |
COP54 DHD350R |
COP64 DHD360 |
COP84 DHD380 |
DHD1120 |
| Hole range(mm) |
Φ90-115 |
Φ110-135 |
Φ135-155 |
Φ155-203 |
Φ195-254 |
Φ305-445 |
| Connection thread |
API 2 3/8” Reg. |
API 2 3/8"Reg |
API 2 3/8"Reg |
API 3 1/2"Reg |
API 4 1/2"Reg |
API 6 5/8"Reg |
| |
|
API 3 1/2"Reg |
|
|
|
| Working pressure |
1.0-1.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
| QL series DTH HAMMERS |
|
| DTH hammer type |
QL40 |
QL50 |
QL60 |
QL80 |
|
|
| Bit shank |
QL40 |
QL50 |
QL60 |
QL80 |
|
|
| Hole range(mm) |
Φ110-135 |
Φ135-155 |
Φ155-203 |
Φ195-254 |
|
|
| Connection thread |
API 2 3/8"Reg |
API 2 3/8"Reg |
API 3 1/2"Reg |
API 4 1/2"Reg |
|
| |
API 3 1/2"Reg |
|
|
|
| Working pressure |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
|
|
| SD series DTH HAMMERS |
| DTH hammer type |
SD4 |
SD5 |
SD6 |
SD8 |
SD10 |
SD12 |
| Bit shank |
SD4 |
SD5 |
SD6 |
SD8 |
SD10 |
SD12 |
| Hole range(mm) |
Φ110-135 |
Φ135-155 |
Φ155-203 |
Φ195-254 |
Φ254-311 |
Φ305-445 |
| Connection thread |
API 2 3/8"Reg |
API 2 3/8"Reg |
API 3 1/2"Reg |
API 4 1/2"Reg |
API 6 5/8"Reg |
API 6 5/8"Reg |
| |
API 3 1/2"Reg |
|
|
|
| Working pressure |
1.5-2.0Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
| MISSION series DTH HAMMERS |
| DTH hammer type |
MISSION4 |
MISSION5 |
MISSION6 |
MISSION8 |
|
|
| Bit shank |
MISSION4 |
MISSION5 |
MISSION6 |
MISSION8 |
|
|
| Hole range(mm) |
Φ110-135 |
Φ155-190 |
Φ155-203 |
Φ195-254 |
|
|
| Connection thread |
API 2 3/8"Reg |
API 2 3/8"Reg |
API 2 7/8"Reg |
API 4 1/2"Reg |
|
| |
API 3 1/2"Reg |
API 3 1/2"Reg |
|
|
| |
API 2 7/8"Reg |
2 7/8"IF |
|
|
|
| Working pressure |
1.2-2.0Mpa |
1.3-2.3Mpa |
1.5-2.5Mpa |
1.5-3.0Mpa |
|
|
| NUMA series DTH HAMMERS |
| DTH hammer type |
NUMA100 |
NUMA120 |
NUMA125 |
|
|
|
| Bit shank |
NUMA100 |
NUMA120 |
NUMA125 |
|
|
|
| Hole range(mm) |
Φ254-311 |
Φ305-445 |
Φ305-445 |
|
|
|
| Connection thread |
API 6 5/8"Reg |
API 6 5/8"Reg |
API 6 5/8"Reg |
|
|
| Working pressure |
1.0-2.5Mpa |
1.0-2.5Mpa |
1.0-2.5Mpa |
|
|
|
|
Low Air Pressure DTH Hammer Technical Data
| DTH hammer type |
CIR76 |
CIR90 |
CIR110 |
CIR130 |
CIR150 |
| Bit Shank: |
CIR76 |
CIR90 |
CIR110 |
CIR110/CIR130 |
CIR150 |
| Top Sub Thread: |
F48x10PIN |
F48x10PIN |
API 23/8" RGE BOX |
API 23/8" RGE BOX |
F70x10PIN |
| Bit Diameter: |
76(mm) |
90-120(mm) |
110-150(mm) |
130-175(mm) |
150-200(mm) |
| Working Pressure: |
4-10(bar) |
5-10(bar) |
5-10(bar) |
5-10(bar) |
5-10(bar) |
|
About us
MIROC® Rock Drilling Tools are Rock Drilling Tools Brand by KSQ Tecnologies (Beijing) Co. Ltd.
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients’ drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company’s development team introduces innovative products each year – tools that are rigorously tested in the field and proven
to perform beyond industry expectations.
MIROC® Rock Drilling and Ground Support Tools include:
Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers
