Introducing the extraordinary Thread Drill Bits Retrac Button Bit-a masterpiece of engineering that is set to elevate your mining machine parts to unprecedented heights. With a commitment to precision and innovation, these bits are crafted to deliver unwavering reliability, even amidst the most demanding environments. Experience a transformative boost in your drilling operations, as these superior bits usher in new levels of excellence and success.
1. Excellent guiding performance: Our Thread Drill Bits redefine precision in drilling. With superior guidance, they significantly reduce deviation, ensuring unparalleled accuracy and straightness. Every drill is a testament to precision.
2. High drilling stability: Even in the face of complex geological conditions, these drill bits shine with their exceptional stability. They effectively minimize damage caused by vibrations and stress, ensuring long-lasting and consistent operations.
3. Adapt to complex formations: Our drill bits are the epitome of versatility, seamlessly adapting to uneven, fractured, or inclined geological structures with remarkable ease and efficiency.
4. Improve drilling efficiency: With unmatched guidance and stability, our bits accelerate the drilling process, significantly cutting down construction time while optimizing productivity to its fullest potential.
5. Reduce construction risks: By minimizing drilling deviations, our bits effectively mitigate potential engineering issues and safety hazards, ensuring safer and more reliable construction outcomes.
| Model |
Head shape |
Head diameter (mm) |
Length (mm) |
Holes |
Botton Type (optional) |
Weight (kg) |
| Port Holes |
Side Holes |
|
|
Flat Face |
51 |
130 |
3 |
/ |
Domed + Domed |
1.25 |
| Flat Face |
57 |
130 |
3 |
/ |
Ballistic + Ballistic |
1.65 |
| R38 |
Flat Face |
64 |
140 |
3 |
/ |
Domed + Ballistic |
2.05 |
| Center Drop Face |
76 |
160 |
4 |
/ |
Domed + Domed |
3.65 |
| Center Drop Face |
89 |
170 |
4 |
/ |
Domed + Domed |
5.3 |
| T38 |
Center Drop Face |
64 |
160 |
2 |
/ |
Domed + Domed |
2.45 |
| Flat Face |
70 |
160 |
3 |
/ |
Domed + Domed |
2.85 |
| Center Drop Face |
76 |
160 |
4 |
/ |
Domed + Domed |
3.7 |
| Center Drop Face |
89 |
160 |
4 |
/ |
Parabola + Parabola |
5.3 |
| T45 |
Center Drop Face |
72 |
160 |
4 |
/ |
Domed + Domed |
3.15 |
| Center Drop Face |
76 |
160 |
4 |
/ |
Domed + Domed |
3.55 |
| Center Drop Face |
89 |
170 |
4 |
/ |
Ballistic + Ballistic |
5 |
| Center Drop Face |
102 |
180 |
4 |
/ |
Domed + Domed |
7.3 |
| T51 |
Center Drop Face |
89 |
170 |
4 |
/ |
Ballistic + Ballistic |
5 |
| Center Drop Face |
102 |
185 |
4 |
/ |
Ballistic + Ballistic |
7.12 |
| Flat Face |
115 |
185 |
2 |
2 |
Domed + Domed |
10.1 |
| Center Drop Face |
127 |
185 |
4 |
/ |
Domed + Domed |
12.4 |
| ST58 |
Flat Face |
102 |
180 |
3 |
/ |
Parabola + Parabola |
6.5 |
| Flat Face |
115 |
185 |
2 |
/ |
Domed + Domed |
9.5 |
| Center Drop Face |
127 |
185 |
4 |
/ |
Domed + Domed |
11.7 |
| EL60 |
Center Drop Face |
102 |
200 |
3 |
/ |
Domed + Domed |
6.5 |
| Center Drop Face |
115 |
200 |
4 |
/ |
Domed + Domed |
9 |
| Center Drop Face |
127 |
205 |
4 |
/ |
Domed + Domed |
12 |
| ST68 |
Center Drop Face |
102 |
185 |
4 |
/ |
Domed + Domed |
6.1 |
| Center Drop Face |
115 |
185 |
4 |
/ |
Domed + Domed |
8.4 |
| Center Drop Face |
127 |
190 |
4 |
/ |
Domed + Domed |
11.4 |
| Center Drop Face |
140 |
190 |
4 |
/ |
Domed + Domed |
14.3 |
Your goods are guaranteed to arrive in flawless condition thanks to our professional, eco-friendly packaging solutions. Our commitment to safety and convenience is evident at every stage of the shipping process, ensuring a smooth transition from our facilities directly to your hands.
ChangSha DTH Drill Construction Machinery Co., Ltd is a beacon of excellence within the drilling tools industry, with over two decades of unparalleled innovation and expertise since 1996. Founded as a designated processing center for down-the-hole drilling tools at the Changsha Institute of Mining Research, our company proudly collaborates with elite institutions like the Institute of Metal Research at the Chinese Academy of Sciences, alongside global partnerships with NIMS in Japan, the University of Queensland in Australia, and EMPA in Switzerland.
As a leading comprehensive service provider, we excel in delivering expert drilling solutions across a broad spectrum-including water well drilling machines, coring drilling machines, reverse circulation drilling machines, tunnel drilling machines, and drilling tools. Our dedication to excellence is embodied in our free, meticulously tailored one-stop solutions for construction scenarios like mines, water wells, and building pile foundations. Acclaimed by SGS, TUV, and Made in China, our high-quality products traverse over 80 countries. Our esteemed founder, recognized by Stanford University as one of the top 2% of global scientists in 2022 and 2023, drives our mission to simplify and enhance drilling efficiency globally.
1. Are you exact manufacturer or just trading company?
We are both, we have our own factory. And also have many long-relationship factories.
2.What is your minimum order quantity?
Our MOQ are ipc or 1 complete set, the price may rely on the order quantity. We are welcome your sample orderto testing our quality.
3. Can you accept OEM & ODM?
Yes, both of them are acceptable,.Please tell us your requirements or design drawings kindly.As we have our own R&D team and the team leader is Dr.Zhao minachun who has been alwaysin the material research and drawing desian of drilling tools for 25 years. And he had designedthe world's biggest top hammer bit and DTH hammer bit, highly praised by the users.
4.How about the delivery time?
It depends, generally it takes about 15-25. lf have stocks, Usually only 5-10 days if in stock
5. Can l have a visit to your factory before the order?
Sure, welcome, kindly contact us for address details and time schedule.
Audited Supplier 
){kind=link}