Our collection of drag bits offers a comprehensive range of drilling tools designed for efficient and reliable performance in various drilling applications. Each drag bit in the collection is engineered to meet the demands of specific drilling conditions, providing superior cutting performance and durability.
The drag bits in our collection are engineered for high-performance drilling. They feature optimized cutting structures, advanced cutting element technology, and strategic placement of cutting elements to ensure efficient penetration rates, improved footage, and reduced drilling time.
We prioritize the durability and longevity of our drag bits. Through meticulous engineering and quality control, we ensure that our drag bits can withstand the rigors of drilling operations, including high pressures, vibrations, and abrasive conditions.
Experience superior drilling performance with our 7" 4-Step 3-Wing Step Drag Bit featuring a 3 ½" Reg Pin Thread. This specialized drag bit is meticulously designed to provide precision and efficiency, making it ideal for a variety of drilling applications.
Key Features:
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4-Step 3-Wing Step Design: The advanced 4-step 3-wing step configuration ensures optimal cuttings removal, promoting enhanced drilling efficiency and speed.
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3 ½" Reg Pin Thread: The 3 ½" Regular Pin Thread provides a robust and reliable connection, ensuring seamless compatibility with various drilling equipment.
Applications:
- Suited for exploration drilling, mining, and geotechnical applications where a combination of precision and efficiency is essential.
- Versatile across different geological formations, offering optimal performance in various drilling conditions.
- Efficient Cuttings Removal: The 4-step 3-wing step design ensures quick and efficient removal of cuttings, reducing downtime.
- Precision Drilling: Engineered for precise drilling operations, enhancing overall drilling accuracy.
- Reliable Connection: The 3 ½" Reg Pin Thread provides a secure and durable connection, ensuring drilling reliability.
Compatibility:
- The 7" 4-Step 3-Wing Step Drag Bit with 3 ½" Reg Pin Thread is compatible with a variety of drilling rigs, offering adaptability to different setups.
Other Features
- One solid piece of heat treated 4140 alloy steel for increased bit strength and durability
- CNC threaded machining for improved installation and usage.
- Forgings are milled to better seat the carbide inserts.
- Select tungsten carbide inserts 5.5mm thick are standard.
- Relief is hand ground behind carbide inserts for maximum performance.
7 Inch |
177.8mm |
3 ½ inch API |


Q1. Can I have a sample order?
Answer:Yes, we welcome sample orders for testing. Mixed samples are acceptable.
Q2. Do you accept customization according to customers' requirements?
Answer:Yes, we accept customization regardless of size and type, with an MOQ of 1 piece. We also provide OEM services. You can provide your design, and we will sign a CA (Confidentiality Agreement) with each other.
Q3. Are you an original manufacturer or a trading company?
Answer:We are an integrated corporation specializing in manufacturing and exporting.
Q4. What are your main products?
Answer:Our main products include PDC Drill Bits, Tricone Bits, DTH Hammers, DTH Drilling Bits, Drill Pipes, PDC Cutters, and related drilling tools.
Q5. What type of drill bit should I be using?
Answer:When answering this question, there are many variables to consider: the formation you are drilling in, the size of the hole you are drilling, the size of the pump you have, whether you are drilling with mud or air, and the size of your rig. Call us on our 24-hour phone number or write us an email, and we will help you choose the right bit.
Q6. Do you provide after-sales service?
Answer:Timely after-sales assistance is always provided. We offer free replacements for any issues caused by quality problems.
Q7. What is the production capacity of your factory?
Answer:Our production capacity is approximately 36,000 to 50,000 bits per month.
Q8. What is your delivery time?
Answer:3-7 days for frequently ordered models and sizes that we always keep in stock. 15-30 days for newly produced goods and customized products.
Q9. What are your main markets?
Answer:Our products are exported to Australia, Chile, Canada, South Africa, Ethiopia, Malaysia, South Korea, Brazil, Russia, Norway, and more than 30 other countries.