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- Changsha Heijingang Industrial Co., Ltd
- Phone: +8613787148417
- Email: marketing@hjgdrill.com
- Fax: +86-731-82381553
4 Inch DTH Bits
4 inch dth hammer drill bit Our Tungsten Carbide DTH Drill Bits are made of high quality alloy steel with advanced heat threatment to assure the good drilling performance and long service life. They are widely used by our customers all over the world.The DTH bits have various sizes and styles...
Product Details
4 inch dth hammer drill bit
Our Tungsten Carbide DTH Drill Bits are made of high quality alloy steel with advanced heat threatment to assure the good drilling performance and long service life. They are widely used by our customers all over the world.The DTH bits have various sizes and styles ,can match many kinds of hammers such as Ingersoll-Rand, Mission, Atlas Copco etc. For the most effective operation in various drilling conditions, we offer flat face, concave, drop centre head designs.
The characteristics of Tungsten Carbide DTH Drill Bits:
1.Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to inner structure of HD series DTH hammer designed according to newest rock drilling theory.
2.Smooth performance and long service life of DTH bits due to high quality alloy steel materials and advanced processing technology adapted.
3.Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of DTH bits.
4.Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.
5.Interchangeable with DTH bit and dill pipe manufactured by Atlas copco and Ingersoll-rand.
Various size of DTH drill bits:
|
Type |
Model |
Length |
Weight (kg) |
External Dia.(mm) |
Hole Range (mm) |
|
3.5 inch |
DHD3.5 |
930 |
25 |
Φ82 |
Φ90-110 |
|
4 inch |
DHD340 |
1030 |
39 |
Φ99 |
Φ110-135 |
|
SD4 |
1084 |
40.5 |
Φ99 |
||
|
QL4 |
1097 |
41 |
Φ99 |
||
|
Mission40 |
1005 |
40 |
Φ99 |
||
|
5 inch |
DHD350 |
1214 |
76.5 |
Φ125 |
Φ135-155 |
|
SD5 |
1175 |
72.5 |
Φ125 |
||
|
QL5 |
1147 |
73 |
Φ125 |
||
|
Mission50 |
1110 |
68.5 |
Φ125 |
||
|
6 inch |
DHD360 |
1248 |
100 |
Φ142 |
Φ155-190 |
|
SD6 |
1261 |
100 |
Φ142 |
||
|
QL6 |
1212 |
95 |
Φ146 |
||
|
Mission60 |
1161 |
90 |
Φ146 |
||
|
8 inch |
D85 |
1492 |
188 |
Φ180 |
Φ195-254 |
|
SD8 |
1463 |
192 |
Φ180 |
||
|
QL8 |
1465 |
182 |
Φ180 |
||
|
Mission80 |
1338 |
176 |
Φ180 |
||
|
10 inch |
SD10 |
1502 |
290 |
Φ226 |
Φ254-311 |
|
NUMA100 |
1510 |
288 |
Φ226 |
||
|
12 inch |
DHD1120 |
All can be designed according to your requests! |
|||
|
Numa120 |
|||||
|
Numa125 |
|||||
What are your strengths?
Area of our factory: over 50,000SQM;
Numbers of our employees: over 700;
Numbers of our equipment &facilities: Over 1000 sets
Numbers of DTH Hammer production yearly: over 20,000 sets
Numbers of Drill bits production yearly: over 250,000 pcs
Annual turnover in USD: 60 Million
Market share(China): 40%-50%
Export market volume: 30 Million USD
Hot Tags: 4 inch DTH bits, China, suppliers, manufacturers, customized, price, high quality
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