Place of Origin:
Hebei,China
Certification:
ISO9001
Drag bit are manufactured from forged high quality alloy steel and PDC cutter insert, plus state of art welding technology and multiple precision heat treatment to provide highest penetration rate and longest lifespan at roughest condition. Drag bits are designed for medium to hard formation and are used in areas that contain a lot of rock and also in the oil field.
Dragging the drill bit is simple and convenient to operate, and users only need to follow the installation and adjustment instructions to easily get started. At the same time, the maintenance of the drill bit is also very simple, and users can perform basic maintenance and repair on their own, extending the service life of the drill bit. This easy to operate and maintain feature makes dragging drill bits a trusted drilling tool for users.
| Size | Type Pin | Wt. (lbs.) |
| 3 7/8" - 4 3/4" | 2 3/8" REG Pin | 6 |
| 4 7/8" - 5 1/8" | 2 3/8" REG Pin | 7 |
| 5 1/4" - 5 1/2" | 2 3/8" REG Pin | 8 |
| 4 5/8" - 5" | 2 7/8" REG Pin | 10 |
| 5 1/8" - 5 1/2" | 2 7/8" REG Pin | 11 |
| 5 5/8" - 6 1/4" | 3 1/2" REG Pin | 18 |
| 6 1/2" - 6 3/4" | 3 1/2"REG Pin | 19 |
| 7" - 7 1/2" | 3 1/2" REG Pin | 21 |
| 7 5/8" - 8"-12 1/4 | 3 1/2" REG Pin 4 1/2 6 5/8 | 23 |
3 wings step drag bits
3 wings step drag bits are one piece construction of alloy steel cast with tungsten carbide cutting tips and gauge sides to ensure longer life. It has 3 wings and 3 flushing holes. Compared with 4 wings, 3 wings step drag bits tend to drill faster and aggressive, whereas, are shorter lasting and less durable.3 wings step style drag bits will produce larger cuttings force than chevron style drag bit. Rotary table speed ofstep drag bits should be between 60 and 80 rpm with light weight on bit (WOB).
3 wings step drag bits are economical tools when drilling softer geological formations and shallower depths, they are primarilydesigned for soft tomedium formations, such as Clay, Loam, Silt ,Mostsoft-to-medium soilsthat have some moisture, etc. And also step drag bits are recommended for drilling in Mining, Exploration, Environmental, Water well, Geo Exchange, etc.
| 3 wings step drag bits | ||
| Diameter | Thread | |
| 2 to 17 1/2 inch | 50.8 to 444.5mm | Optional |
Note: The diameter and thread showed as above are usual size, other sizes are available upon request.
Thread size: 2 3/8'' Reg, 2 7/8'' Reg, 3 1/2'' Reg, 4 1/2'' Reg, 6 5/8'' Reg, 2'' API IF, 2 3/8'' IF, 2 7/8'' IF, A Rod, N Rod, AW, BW, NW, AWJ, BWJ, NWJ.
Sinodrills drag bits features:
1, A solid one piece heat treated, 4140 alloy steel body for bit strength & durability;
2, CNC threaded machining for proper installation &use;
3, Forgings are milled to better seat the carbide inserts.
4, Select tungsten carbide inserts 5.5mm thick are standard.
5, Relief is hand ground behind carbide inserts for maximum performance.
Crossing Bit, a leading manufacturer of PDC bits and tricone bits in northern China, has exported its high-quality drill bits to more than 30 countries, demonstrating its strong market influence and exceptional product strength.
Crossing Drilling Tools has not only established a sterling reputation in the drilling, construction, HDD (horizontal directional drilling), exploration, water well, geothermal, mining, and oil & gas industries, but has also gained widespread recognition from customers for its exceptional product reliability and quality. We are committed to developing and producing a range of high-quality tools, including tricone bits, PDC bits, tricone cutters (single rollers), PDC reamers, drag bits, and HDD hole openers, to meet the diverse needs of our customers.
Our meticulously designed PDC bits are specifically optimized for directional drilling. With exceptional stability, durability, and "directional" friendliness, they are able to precisely maintain the bit's position in narrow and complex pay zones, ensuring smooth drilling operations.
This unique steerable bit technology, combined with high ROP (rate of penetration), sets Crossing Bit apart from the competition and establishes it as a leader in the industry.
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