Introducing our top-tier Thread Drill Bits Retrac Button Bit, meticulously engineered for Mining Machine Parts to deliver unmatched performance. This product stands out in the industry with its supreme quality and exceptional functionality.
1. Featuring a simple structure, this product is not only easy to manufacture and maintain, but also cost-effective, making it an ideal choice for businesses seeking efficiency.
2. The innovative thread design enhances stability and guidance during drilling operations, significantly minimizing drilling deviation and ensuring precision.
3. Designed for adaptability, it accommodates a variety of geological conditions, offering an impressive degree of versatility for diverse applications.
4. Its convenient installation and disassembly process saves valuable operation time, making it an efficient tool on any construction site.
5. Perfect for general drilling operations, this tool delivers a reliable and consistent drilling effect, ensuring dependable results every time.
| 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 pristine condition, we offer professional, environmentally friendly, and efficient packaging solutions. We prioritize safety and convenience at every stage, ensuring your satisfaction.
Changsha DTH Drill Construction Machinery Co., Ltd boasts over 20 years of expertise in the drilling tools sector since 1996. Originally the designated processing site for down-the-hole drilling tools by the prestigious Changsha Institute of Mining Research, we are proud partners of renowned global research institutes such as the Institute of Metal Research of the Chinese Academy of Sciences, Japan's National Institute of Materials Science (NIMS), University of Queensland, Australia, and the Swiss Federal Institute of Technology (EMPA).
We are a comprehensive service provider, expertly specializing in water well drilling machines, coring drilling machines, reverse circulation drilling machines, tunnel drilling machines, and drilling tools. We provide complimentary, one-stop solutions for various construction scenarios, including mines, water wells, and building pile foundations. Our excellence is endorsed by certifications from SGS, TUV, and Made in China. Our products are proudly exported to over 80 countries worldwide. Our founder, recognized as one of the top 2% global scientists by Stanford University in both 2022 and 2023, continues to pioneer our mission: Make drilling simple!
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.
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