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The Hengji 12 1/4 Inch PDC Drill Bit is designed for efficient drilling in soft to medium-soft formations. The steel body construction ensures long-lasting durability and precision during operations. This bit is ideal for water well drilling and rock cutting tasks.
Equipped with five blades and seven nozzles, this bit offers optimal fluid dynamics for smoother operations. It operates effectively within a range of 60–300 RPM. The bit can handle weight on bit (WOB) between 20–140 KN, offering flexibility for different drilling conditions. Additionally, the flow rate ranges from 5 to 30 lps, making it adaptable to a wide range of drilling projects.
This drill bit excels in high-abrasive formations. The high-quality materials and advanced design ensure reliable performance throughout its lifecycle. With a gauge length of 3.0 inches, it maintains stability and efficiency during drilling.
PDC drill bits
PDC drill bits revolutionized the drilling industry with a wide application range and high rate of penetration (ROP) potential. PDC bits drill primarily by shearing.Widely used Oil and gas , geothermal drilling, water well drilling, directional drilling.
Basical Specification | ||
Size | 12 1/4 inch |  |
IADC code | S516 | |
Thread | 6 5/8 inch | |
Type | steel body | |
No.of Nozzles | 7 | |
Gauge Length | 3.0 | |
blade | 5 | |
Operating parameter |  | |
RPM(r/m) | 60~300 | |
WOB(KN) | 20~140 | |
Flow Rate (lps) | 5~30 | |
Formation | Soft and medium soft layer,high abrasive formation | |
High-Quality Steel Construction
The bit is made from a single piece of high-quality alloy steel. It offers durability and precision in drilling operations. Welded wear-resistant materials protect the blades from erosion, ensuring a long lifespan.
Advanced Design and Manufacturing
CNC machining ensures precise design and optimal performance for reliable operation. Deep and large slots allow efficient fluid cleaning and cooling, preventing build-up and improving overall drilling efficiency.
High-Performance PDC Cutters
The PDC cutters are designed specifically for soft to medium-hard formations. Various cutter types are chosen to optimize performance for different drilling conditions, ensuring effective and efficient penetration.
Customizable Options
Blades range from 3 to 9, making the bit adaptable to various project requirements. Custom sizes and specifications are available to meet specific client needs, allowing for tailored solutions in diverse drilling applications.
We can design and produce different bits based on the specific needs of our customers:
Inch | MM | AP(thread) | Blades |
4inch | 101.6mm | 2 7/8 | 3 blades 4 blades 5 blades 6 blades 7 blades |
4 1/2inch | 114.3mm | ||
4.5/8inch | 117.5mm | ||
4 3/4inch | 120.5mm | ||
5 1/8inch | 130.2mm | ||
5 1/4inch | 133.4mm | ||
5 3/4inch | 146mm | ||
5 7/8inch | 149.2mm | 3 1/2 | 3 blades 4 blades 5 blades 6 blades 7 blades |
6inch | 152.4mm | ||
6 1/8inch | 155.6mm | ||
6 1/4inch | 158.7m | ||
6 11/32inch | 161mm | ||
6 1/2inch | 165.1mm | ||
6 3/4inch | 171.4mm | ||
7 1/2inch | 190.5mm | 4 1/2 | 4 blades 5 blades 6 blades 7 blades 8 blades |
7 5/8 inch | 193.7mm | ||
7 7/8 inch | 200mm | ||
8 3/8 inch | 212.7mm | ||
8 1/2 inch | 215.9mm | ||
8 3/4 inch | 222.3mm | ||
9 11/64 inch | 233mm | ||
9 1/2 inch | 241.3mm | 6 5/8 | 4 blades 5 blades 6 blades 7 blades 8 blades 9 blades |
9 5/8 inch | 244.5mm | ||
9 7/8 inch | 250.8mm | ||
10 1/2 inch | 266.7mm | ||
10 5/8 inch | 269.9mm | ||
11 inch | 279.4mm | ||
11 5/8 inch | 295.3mm | ||
12 inch | 304.8mm | ||
12 1/4 inch | 311.1mm | ||
13 3/4 inch | 349.25mm | 7 5/8 | 4 blades 5 blades 6 blades 7 blades 8 blades 9 blades |
14 3/4 inch | 374.65mm | 7 5/8 | |
15 1/2 inch | 393.7mm | 7 5/8 | |
17 1/2 inch | 444.5mm | 7 5/8 |
Large slots and high-performance cutters enable faster drilling. The bit is suitable for both soft and abrasive formations, ensuring quicker penetration and reducing drilling time.
Durability and Longevity
Wear-resistant materials extend the tool's lifespan, even in tough conditions. Precision manufacturing ensures minimal downtime, improving overall productivity.
Versatility
This drill bit is compatible with various threads, sizes, and formations. It operates effectively at RPM ranges of 60–300 and WOB of 20–140 KN, adapting to different drilling conditions.
Water Well Drilling
The bit efficiently drills through soft and medium formations, providing high penetration rates for water well construction.
Oil and Gas Exploration
Suitable for directional and geothermal drilling. The bit performs well in abrasive rock formations, making it ideal for exploration projects.
Rock Cutting and Geothermal Projects
Designed for cutting through tough stone layers. It is also highly effective for geothermal energy extraction, ensuring efficient operation in high-resistance conditions.
Yes, Hengji offers customizable options, including different blade counts (3 to 9 blades) and sizes to meet specific drilling needs. Custom specifications can also be accommodated.
The operational range for the Hengji 12 1/4 inch PDC drill bit is 60–300 RPM and 20–140 KN for weight on bit (WOB). The flow rate ranges from 5 to 30 lps.
The durability of the Hengji PDC drill bit is enhanced by wear-resistant materials, providing a longer lifespan in tough conditions. Precision manufacturing reduces downtime and ensures consistent performance throughout its lifecycle.
The Hengji 12 1/4 Inch PDC Drill Bit is designed for efficient drilling in soft to medium-soft formations. The steel body construction ensures long-lasting durability and precision during operations. This bit is ideal for water well drilling and rock cutting tasks.
Equipped with five blades and seven nozzles, this bit offers optimal fluid dynamics for smoother operations. It operates effectively within a range of 60–300 RPM. The bit can handle weight on bit (WOB) between 20–140 KN, offering flexibility for different drilling conditions. Additionally, the flow rate ranges from 5 to 30 lps, making it adaptable to a wide range of drilling projects.
This drill bit excels in high-abrasive formations. The high-quality materials and advanced design ensure reliable performance throughout its lifecycle. With a gauge length of 3.0 inches, it maintains stability and efficiency during drilling.
PDC drill bits
PDC drill bits revolutionized the drilling industry with a wide application range and high rate of penetration (ROP) potential. PDC bits drill primarily by shearing.Widely used Oil and gas , geothermal drilling, water well drilling, directional drilling.
Basical Specification | ||
Size | 12 1/4 inch | |
IADC code | S516 | |
Thread | 6 5/8 inch | |
Type | steel body | |
No.of Nozzles | 7 | |
Gauge Length | 3.0 | |
blade | 5 | |
Operating parameter | | |
RPM(r/m) | 60~300 | |
WOB(KN) | 20~140 | |
Flow Rate (lps) | 5~30 | |
Formation | Soft and medium soft layer,high abrasive formation | |
High-Quality Steel Construction
The bit is made from a single piece of high-quality alloy steel. It offers durability and precision in drilling operations. Welded wear-resistant materials protect the blades from erosion, ensuring a long lifespan.
Advanced Design and Manufacturing
CNC machining ensures precise design and optimal performance for reliable operation. Deep and large slots allow efficient fluid cleaning and cooling, preventing build-up and improving overall drilling efficiency.
High-Performance PDC Cutters
The PDC cutters are designed specifically for soft to medium-hard formations. Various cutter types are chosen to optimize performance for different drilling conditions, ensuring effective and efficient penetration.
Customizable Options
Blades range from 3 to 9, making the bit adaptable to various project requirements. Custom sizes and specifications are available to meet specific client needs, allowing for tailored solutions in diverse drilling applications.
We can design and produce different bits based on the specific needs of our customers:
Inch | MM | AP(thread) | Blades |
4inch | 101.6mm | 2 7/8 | 3 blades 4 blades 5 blades 6 blades 7 blades |
4 1/2inch | 114.3mm | ||
4.5/8inch | 117.5mm | ||
4 3/4inch | 120.5mm | ||
5 1/8inch | 130.2mm | ||
5 1/4inch | 133.4mm | ||
5 3/4inch | 146mm | ||
5 7/8inch | 149.2mm | 3 1/2 | 3 blades 4 blades 5 blades 6 blades 7 blades |
6inch | 152.4mm | ||
6 1/8inch | 155.6mm | ||
6 1/4inch | 158.7m | ||
6 11/32inch | 161mm | ||
6 1/2inch | 165.1mm | ||
6 3/4inch | 171.4mm | ||
7 1/2inch | 190.5mm | 4 1/2 | 4 blades 5 blades 6 blades 7 blades 8 blades |
7 5/8 inch | 193.7mm | ||
7 7/8 inch | 200mm | ||
8 3/8 inch | 212.7mm | ||
8 1/2 inch | 215.9mm | ||
8 3/4 inch | 222.3mm | ||
9 11/64 inch | 233mm | ||
9 1/2 inch | 241.3mm | 6 5/8 | 4 blades 5 blades 6 blades 7 blades 8 blades 9 blades |
9 5/8 inch | 244.5mm | ||
9 7/8 inch | 250.8mm | ||
10 1/2 inch | 266.7mm | ||
10 5/8 inch | 269.9mm | ||
11 inch | 279.4mm | ||
11 5/8 inch | 295.3mm | ||
12 inch | 304.8mm | ||
12 1/4 inch | 311.1mm | ||
13 3/4 inch | 349.25mm | 7 5/8 | 4 blades 5 blades 6 blades 7 blades 8 blades 9 blades |
14 3/4 inch | 374.65mm | 7 5/8 | |
15 1/2 inch | 393.7mm | 7 5/8 | |
17 1/2 inch | 444.5mm | 7 5/8 |
Large slots and high-performance cutters enable faster drilling. The bit is suitable for both soft and abrasive formations, ensuring quicker penetration and reducing drilling time.
Durability and Longevity
Wear-resistant materials extend the tool's lifespan, even in tough conditions. Precision manufacturing ensures minimal downtime, improving overall productivity.
Versatility
This drill bit is compatible with various threads, sizes, and formations. It operates effectively at RPM ranges of 60–300 and WOB of 20–140 KN, adapting to different drilling conditions.
Water Well Drilling
The bit efficiently drills through soft and medium formations, providing high penetration rates for water well construction.
Oil and Gas Exploration
Suitable for directional and geothermal drilling. The bit performs well in abrasive rock formations, making it ideal for exploration projects.
Rock Cutting and Geothermal Projects
Designed for cutting through tough stone layers. It is also highly effective for geothermal energy extraction, ensuring efficient operation in high-resistance conditions.
Yes, Hengji offers customizable options, including different blade counts (3 to 9 blades) and sizes to meet specific drilling needs. Custom specifications can also be accommodated.
The operational range for the Hengji 12 1/4 inch PDC drill bit is 60–300 RPM and 20–140 KN for weight on bit (WOB). The flow rate ranges from 5 to 30 lps.
The durability of the Hengji PDC drill bit is enhanced by wear-resistant materials, providing a longer lifespan in tough conditions. Precision manufacturing reduces downtime and ensures consistent performance throughout its lifecycle.
