Introducing our Thread Drill Bits Retrac Button Bit, an epitome of excellence crafted specifically for Mining Machine Parts. These remarkable bits promise unmatched performance and efficiency, showcasing precision engineering that thrives in even the most challenging environments, ensuring reliability and robustness.
1. These bits boast a straightforward structure that simplifies both manufacturing and maintenance. This design provides a cost-effective solution, ensuring that your drilling needs are met with ease and affordability.
2. Our bits feature an innovative thread design that enhances stability and guidance with every drill, markedly reducing deviations. Experience precision like never before, ensuring accurate results every time you drill.
3. At the heart of our design is versatility; our bits seamlessly adapt to diverse geological conditions, providing consistent and exemplary performance across a multitude of terrains.
4. Engineered for supreme convenience, our bits facilitate quick installation and disassembly, drastically cutting down operation time while maximizing productivity for every project.
5. Perfect for a wide array of general drilling operations, our bits guarantee reliability and efficiency, effortlessly accommodating a variety of drilling requirements.
Model |
Head shape |
Head diameter (mm) |
Length (mm) |
Number of holes |
Button type (optional) |
Weight (kg) |
R25 |
Flat Face |
38 |
105 |
1 |
Ballistic |
0.85 |
Flat Face |
45 |
113 |
2 |
Ballistic |
0.75 |
R32 |
Flat Face |
45 |
113 |
2 |
Ballistic |
0.93 |
Flat Face |
64 |
130 |
3 |
Domed |
1 |
Convex Face |
89 |
132 |
2 |
Domed |
1.25 |
R38 |
Center Drop Face |
64 |
130 |
2 |
Domed - Ballistic |
1.35 |
Center Drop Face |
127 |
190 |
4 |
Domed - Ballistic |
3.95 |
Center Drop Face |
140 |
190 |
4 |
Domed - Ballistic |
4.85 |
Center Drop Face |
176 |
210 |
4 |
Domed - Ballistic |
6.95 |
Center Drop Face |
212 |
220 |
4 |
Domed - Ballistic |
8.65 |
T38 |
Center Drop Face |
64 |
130 |
2 |
Domed |
1.35 |
Center Drop Face |
72 |
140 |
4 |
Domed |
2.25 |
Center Drop Face |
76 |
140 |
4 |
Domed |
2.9 |
Center Drop Face |
89 |
132 |
2 |
Domed |
1.85 |
T45 |
Triangle Face |
89 |
145 |
4 |
Domed - Domed |
3.5 |
Center Drop Face |
72 |
140 |
4 |
Domed - Domed |
2.25 |
Center Drop Face |
76 |
140 |
4 |
Domed - Domed |
2.9 |
Center Drop Face |
89 |
155 |
4 |
Domed - Domed |
3.8 |
Center Drop Face |
102 |
165 |
4 |
Domed - Domed |
4.8 |
T51 |
Flat Triangle Face |
102 |
155 |
4 |
Domed - Domed |
5.5 |
Flat Triangle Face |
115 |
165 |
4 |
Domed - Domed |
7.5 |
Center Drop Face |
89 |
155 |
4 |
Domed - Domed |
4.15 |
Center Drop Face |
102 |
155 |
4 |
Domed - Domed |
5.8 |
Center Drop Face |
127 |
165 |
4 |
Domed - Domed |
7.7 |
ST58 |
Center Drop Face |
89 |
175 |
4 |
Ballistic - Ballistic |
4.4 |
Center Drop Face |
102 |
185 |
2 |
Ballistic - Ballistic |
5.8 |
Center Drop Face |
127 |
220 |
2 |
Ballistic - Ballistic |
8.9 |
ST68 |
Flat Face |
102 |
180 |
2 |
Domed - Domed |
5.4 |
Center Drop Face |
115 |
210 |
4 |
Domed - Domed |
8.9 |
Center Drop Face |
127 |
220 |
4 |
Domed - Domed |
10.8 |
Center Drop Face |
140 |
240 |
4 |
Domed - Domed |
13.5 |
Center Drop Face |
176 |
260 |
4 |
Domed - Domed |
17 |
T45 |
Flat Triangle Face |
102 |
155 |
4 |
Domed - Domed |
5.5 |
Flat Triangle Face |
115 |
165 |
4 |
Domed - Domed |
7.5 |
Center Drop Face |
89 |
155 |
4 |
Domed - Domed |
4.15 |
Center Drop Face |
102 |
155 |
4 |
Domed - Domed |
5.8 |
Center Drop Face |
127 |
165 |
4 |
Domed - Domed |
7.7 |
EL60 |
Flat Face |
102 |
180 |
2 |
Domed - Domed |
5.4 |
Center Drop Face |
115 |
210 |
4 |
Domed - Domed |
8.9 |
Center Drop Face |
127 |
220 |
4 |
Domed - Domed |
10.8 |
Center Drop Face |
140 |
240 |
4 |
Domed - Domed |
13.5 |
Center Drop Face |
176 |
260 |
4 |
Domed - Domed |
17 |
To ensure your goods arrive in impeccable condition, we utilize professional, eco-friendly, and efficient packaging solutions. We prioritize safety and convenience throughout the entire shipping process, giving you peace of mind every step of the way.
ChangSha DTH Drill Construction Machinery Co., Ltd has carved a distinguished presence with over 20 years in the drilling tools industry since 1996. As the designated processing hub for down-the-hole drilling tools at the Changsha Institute of Mining Research, we partner with elite institutions like the Institute of Metal Research, Chinese Academy of Sciences, and global entities such as NIMS in Japan, the University of Queensland in Australia, and EMPA in Switzerland.
We are a premier service provider offering comprehensive solutions with our water well drilling machines, coring drilling machines, reverse circulation drilling machines, tunnel drilling machines, and a wide array of drilling tools. Our unwavering dedication to excellence is proven by our free one-stop solutions tailored for diverse construction contexts, including mines, water wells, and building pile foundations. Recognized for our high-quality standards by SGS, TUV, and Made in China, our products extend their reach to over 80 countries. Our founder, honored by Stanford University as one of the world's top 2% of scientists in 2022 and 2023, embodies our mission to simplify and optimize drilling for all.
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.