Products Description
Sophisticated manufacturing technologies are applied in the production process, ensuring that our DTH bits achieve higher performance standards and more reliable quality, which lays a solid foundation for stable operation in various drilling scenarios.
Specification
|
DHD shank Bits |
Bit Dia. |
No. |
Gauge |
Front |
Weight |
|
|
mm |
inch |
Air Holes |
Buttons |
Buttons |
(Kgs) |
|
|
DHD3.5 |
85 |
3 11/32" |
2 |
6×φ13 |
4×φ12 |
4.2 |
|
90 |
3 1/2" |
2 |
6×φ14 |
4×φ12 |
4.5 |
|
|
95 |
3 3/4" |
2 |
6×φ14 |
4×φ13 |
4.8 |
|
|
100 |
3 7/8" |
2 |
8×φ12 |
6×φ12 |
5 |
|
|
105 |
4 1/8" |
2 |
8×φ13 |
6×φ12 |
5.5 |
|
|
DHD340 |
105 |
4 1/8" |
2 |
6×φ14 |
5×φ13 |
9 |
|
110 |
4 1/4" |
2 |
7×φ13 |
6×φ13 |
9.3 |
|
|
115 |
4 1/2" |
2 |
7×φ14 |
6×φ13 |
10 |
|
|
120 |
4 3/4" |
2 |
8×φ14 |
6×φ14 |
11 |
|
|
127 |
5 |
2 |
8×φ14 |
7×φ14 |
12 |
|
|
DHD350 |
133 |
5 1/4" |
2 |
7×φ16 |
6×φ14 |
15 |
|
140 |
5 1/2" |
2 |
7×φ18 |
7×φ14 |
16 |
|
|
146 |
5 3/4" |
2 |
8×φ18 |
7×φ14 |
17 |
|
|
152 |
6" |
2 |
8×φ18 |
8×φ14 |
17.5 |
|
|
165 |
6 1/2" |
2 |
8×φ18 |
8×φ16 |
18.5 |
|
|
DHD360 |
152 |
6" |
2 |
8×φ16 |
8×φ16 |
26 |
|
165 |
6 1/2" |
2 |
8×φ18 |
8×φ16 |
28 |
|
|
178 |
7" |
2 |
8×φ18 |
8×φ18 |
30.5 |
|
|
190 |
7 1/2" |
3 |
9×φ18 |
9×φ16 |
34 |
|
|
203 |
8" |
3 |
9×φ18 |
9×φ18 |
36 |
|
|
DHD380 |
195 |
7 11/16 |
3 |
9×φ18 |
9×φ16 |
32 |
|
203 |
8" |
2 |
9×φ18 |
10×φ18 |
41 |
|
|
216 |
8 1/2" |
2 |
10×φ18 |
12×φ16 |
49 |
|
|
254 |
10" |
3 |
11×φ18 |
17×φ16 |
71 |
|
|
305 |
12" |
4 |
12×φ18 |
29×φ16 |
95 |
|
|
DHD1120 |
305 |
12" |
4 |
12×φ18 |
36×φ16 |
152 |
|
311 |
12 1/4" |
4 |
12×φ18 |
36×φ16 |
157 |
|
|
330 |
13" |
4 |
16×φ18 |
42×φ16 |
165 |
|
|
356 |
14" |
4 |
16×φ19 |
48×φ16 |
178 |
|
|
381 |
15" |
4 |
16×φ19 |
48×φ18 |
198 |
|
Key Features
Engineered to deliver top-tier performance and exceptional durability, DHD DTH bits are specifically designed for harsh drilling environments. Their robust structural design enables them to withstand intense percussive forces and abrasive working conditions.
Meticulous material selection and advanced processing techniques contribute to an extended service life and consistent, efficient drilling performance, making these bits a trustworthy option for a wide range of rock drilling applications.
The main features of DHD DTH bits are as follows:
- High-Quality Alloy Buttons: Equipped with premium carbide buttons, which are strategically arranged to maximize rock-breaking efficiency and enhance wear resistance. This design effectively extends the service life of the bits.
- Superior Alloy Steel Skirts: The skirt part of each bit is crafted from high-grade alloy steel, which provides excellent structural strength and rigidity. This enables the bits to cope with the stresses encountered during drilling and maintain borehole accuracy.
- Comprehensive Sizes & Broad Compatibility: DHD DTH bits are available in a full range of sizes and specifications. They are compatible with most mainstream DTH hammers on the market, including those equipped with DHD shank systems.
Practical Applications
As highly versatile drilling tools, DHD DTH bits are designed for a variety of applications where efficient and precise penetration of hard rock is essential. Their robust construction and optimized design ensure outstanding performance across diverse geological conditions, making them an indispensable tool for many demanding projects.
The primary applications of DHD DTH bits include:
- Mining Industry
- Quarrying Operations
- Water Well Drilling
- Geothermal Well Drilling
- Foundation Piling Projects
- General Construction Works
Our Service
At KAT Drilling Tools, we deliver customer-centric solutions for mining, construction, exploration, and oil & gas sectors-covering the full drill tool lifecycle.
Customized Design & Manufacturing
Bespoke drill bits/rods tailored to your drilling conditions, compliant with API/ISO standards. Rapid prototyping and batch production available.
Quality Control & Testing
Rigorous raw material, in-process, and final performance inspections. Detailed quality reports for every batch.
Technical Consultation & Support
Expert advice on tool selection, on-site training, and real-time troubleshooting to minimize downtime.
After-Sales Maintenance & Repair
Cost-effective maintenance, professional repair, and fast spare parts supply to extend tool lifespan.
Logistics & Supply Chain
Flexible delivery (bulk/JIT/emergency), secure packaging, and full customs/documentation support for global trade.
Long-Term Partnership
Customized service packages, dedicated account management, and continuous optimization based on your feedback.
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