210mm DTH Hole Opener Drill Bit With DHD380 Shank For Mineral Exploration Drilling Rig

Product name: 210mm DTH Hole Opener Drill Bit With DHD380 Shank For Mineral Exploration Drilling Rig
Product category: DTH drill bit
Matched connection: DHD380 Shank
Reamer Dia: 381mm

Guide Dia.: 210mm

KINGDRILLING DTH thread button bit description:

Hole opener drill bits are specialized tools used in the oil and gas industry, mining operations, construction projects, and geothermal drilling, among other applications. These drill bits are designed to enlarge pre-drilled holes efficiently and accurately, allowing for larger pipes, casings, or cables to be inserted. Hole opener drill bits come in various sizes and configurations to meet specific drilling requirements, offering a range of advantages and features that make them indispensable in various industries.

KINGDRILLING DTH reamer bit technical parameters:

Order Guide: Diameter A+ Diameter B +Hammer type

Advantages of Hole Opener Drill Bits:

1. Increased Efficiency

Hole opener drill bits significantly improve the efficiency of drilling operations by reducing the time required to enlarge a hole. Compared to traditional methods of enlarging holes, such as reaming or milling, hole opener drill bits offer a faster and more cost-effective solution.

2. Precision Enlargement

These drill bits ensure precise and accurate hole enlargement, allowing for tight tolerances to be maintained. This is crucial in industries where accuracy is paramount, such as in oil and gas drilling or pipeline installation.

3. Versatility

Hole opener drill bits are versatile tools that can be used in a wide range of applications. They are suitable for drilling in different types of formations, including soft, medium, and hard rock formations, making them adaptable to various drilling environments.

4. Reduced Wear and Tear

Designed with high-quality materials and cutting-edge technologies, hole opener drill bits are durable and resistant to wear and tear. This longevity translates to cost savings for drilling operations by reducing the frequency of bit replacements.

5. Enhanced Productivity

By enabling faster drilling speeds and smoother operations, hole opener drill bits contribute to enhanced productivity on the job site. This increased productivity translates to quicker project completion times and improved overall efficiency.

6. Customization Options

Manufacturers offer customization options for hole opener drill bits, allowing users to tailor the tool to specific drilling requirements. Customization may include selecting the appropriate bit size, cutter configuration, and materials based on the application.

Features of Hole Opener Drill Bits:

1. Cutter Configurations

Hole opener drill bits come with various cutter configurations, including PDC (Polycrystalline Diamond Compact) cutters, TCI (Tungsten Carbide Insert) cutters, or a combination of both. These cutters are strategically placed on the bit to optimize cutting efficiency and durability.

2. Body Design

The body design of a hole opener drill bit plays a crucial role in its performance. Bit bodies are typically constructed from high-strength steel or other durable materials to withstand the rigors of drilling in challenging environments.

3. Shank Types

Hole opener drill bits are available with different shank types, such as API (American Petroleum Institute) standard shanks or custom shanks to fit specific drilling equipment. The shank type ensures compatibility with the drilling rig and enhances overall stability during operation.

4. Bearing Systems

High-quality bearing systems are integrated into hole opener drill bits to support the rotational movement of the bit during drilling. These bearings are designed to withstand heavy loads and high speeds, ensuring smooth and efficient drilling operations.

5. Hydraulic Features

Some advanced hole opener drill bits are equipped with hydraulic features to enhance drilling performance. These features may include hydraulic nozzles for improved cuttings evacuation, adjustable jet configurations, or hydraulic stabilizers for enhanced stability.

6. Wear Protection

To prolong the lifespan of the drill bit and maintain cutting efficiency, wear protection features such as hard-facing or wear-resistant coatings are applied to critical areas of the bit. These features reduce friction and abrasion, resulting in extended bit life.

Function of Hole Opener Drill Bits:

Hole opener drill bits perform the crucial function of enlarging pre-drilled holes to accommodate larger pipes, casings, or cables. This process is essential in various industries where the initial hole size is insufficient for the required application. The primary functions of hole opener drill bits include:

1. Enlarging Holes

The main function of a hole opener drill bit is to enlarge existing holes to a desired diameter. This is achieved by rotating the bit and applying downward force to remove material and expand the hole size gradually.

2. Maintaining Accuracy

Hole opener drill bits are designed to maintain accuracy and precision during the hole-enlarging process. This is essential for ensuring that the enlarged hole meets specific dimensional requirements and aligns correctly with the existing borehole.

3. Efficient Material Removal

These drill bits efficiently remove material from the borehole through the cutting action of the PDC or TCI cutters. The design of the cutters and the bit body facilitates rapid material removal while minimizing drag and torque on the drilling rig.

FAQ:

1. What is a button bit used for?

Button Bits for Hard Rock Drilling

Oilfield, waterwell, HDD, and geothermal drillers extensively use button bits to drill hard rock.

2. How do you drill through boulders?

Apply moderate pressure to the bit and drill for one minute. Do not force the drill into the boulder; Let the drill do its job. Remove the drill from the hole and cool it in a pitcher. Spray the boulder lightly with water to remove dust and cool the rock.

3. What are rock drill bits made of?

Made of high quality alloy steel and high quality tungsten carbide. After heat treatment and shot peening, a durable and reliable balance of strength and toughness can be achieved. Large drill forgings are individually ultrasonic tested and screened for inclusions and defects. Drill bits designed for any application.

4. How do I choose a hammer drill bit?

Before selecting a hammer for rotary drilling, determine the diameter of the holes you need to drill. The diameter of the holes will dictate the type of hammer and the bit holding system you select. Every tool has its own optimal drilling range.

More information: