Specific parameters:
Types which are not shown in the table can be designed and manufactured according to customer's requirements.
| IADC | Weight on Bit per Inch of Bit Diameter(lb/In) |
Rotary Speed (r/min) |
Cutting Structure | Applications |
| 412/415 | 1000-2000 | 90-120 | Conical on gage and inner rows | Designed for very soft formations with low compressive strength and high friablity such as shale, soft limestone, sandstone, gravel clay, soft dolimite, coal. |
| 432/435 | 1000-4000 | 90-120 | Conical/Chisel on gage, Conical inner rows | Designed for very soft formations with low compressive strength and high friablity such as shale, soft limestone, sandstone, gravel clay, soft dolimite, coal. |
| 532/535 | 2000-5000 | 80-110 | Conical/Chisel on gage, Conical inner rows | Designed for soft formations with low compressive strength and high friablity such as shale, soft limestone, sandstone, interbedded dolomite. |
| 612/615 | 3000-5000 | 60-100 | Conical/Spherical on gage, Conical inner rows | Designed for high compressive strength, medium hard and abrasive formations, such as limestone, sandstone, interbedded dolomite. |
| 632/635 | 3000-6000 | 60-100 | Conical/Spherical on gage, Conical inner rows | Designed for high compressive strength, mudium hard and abrasive formations, such as limestone, sandstone, interbedded, dolomite. |
| 732/735 | 4000-7000 | 60-90 | Spherical on gage, Conical/Double spherical on inner rows | Designed for high compressive strength, hard and abrasive formations, such as granite, limestone, sandstone, dolomite. |
| 832/835 | 5000-8000 | 50-80 | Spherical on gage, Double spherical on inner rows | Designed for high compressive strength, hard and abrasive formations, such as magnetite quartzite, quartzite, granite. |
Our drill bits are widely used in mining, oil, gas, water well drilling, HDD, quarrying and construction.
Hunan TianYing Drilling Machine Manufacturing Co., Ltd. is a professional manufactory of Rock Drilling Bits. Our drilling bits manufacture are based on the extensive research and development in the field of mining. All the Rock Drilling Bits using the finest raw materials available, including Premium Steel and Tungsten Carbide. We ensure that our worldwide clients have quick access to our service, manufacturing and marketing expertise. Our vision is to become the industry's performance leader in tools that withstand the toughest rock drilling demands. That's why our products exceed industry specifications for performance and safety. When you work with TianYing, we are committed to your productivity and efficiency.
All of our bits are manufactured according to strict standards, set forth by the American Petroleum Institute (API). And classified according to characteristics set forth by the International Association of Drilling Contractors (IADC).
1 Q: Are you manufacture?
A: Yes, we are professional manufacturer for drill bits since 1958.
2 Q: Where are you located in?
A: We are located in Zhuzhou City Hunan China
3 Q:What's your mainly product?
A: Our mainly products are tricone bit, button bits, DTH bits, PDC bits etc.
4 Q: What's your MOQ?
A: Our MOQ 1 piece, and also supply sample for your trial.
5 Q: How many day with your delivery?
A: We can delivery goods with 7 days if we have goods in stock, if need produce with your demand we will negotionation with you.
Whatsapp:+86 15200507438
Wechat:271811302
Email sales6 at tcidrillbit dot com