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Drag Bit Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples. More+
The next generation Rock bits More+
Effect of Rotational Speed on Drilling Rotation speed indicates how fast a drill bit with a certain diameter rotates, and is the target used to measure the reversal speed during the drilling process. When drilling, the rock breaking condit... More+
Submission Successful! Thanks for your interest in Greatdrillbit. You will be responded within 24 hours!The following is Greatdrillbit's very popular among our customers. You can click for more now. More+
GREAT Fixed cutter bits/PDC bits manufacturing More+
Influence of Bit Pressure on Drilling Bit pressure is a necessary condition for rock breaking at the bottom of the well. The size of the bit pressure determines the method and characteristics of rock breaking, which will directly affect t... More+
GREAT's High-quality Bits Series III More+
Drill Bit Tools: from Manufacturing to Creation Chinese drill tools are aggressive, constantly pioneering and innovating, and have realized the role change from manufacturing to creation. China's drill bit tool industry is developed, but more o... More+
High-quality Drill Bits from China More+
Drilling Parameters of the Rig 1. Drill pressureTheoretically, the drilling pressure depends on factors such as formation rock hardness, diameter, drilling speed, drilling rig, drilling tool capacity and drill bit structural streng... More+
GREAT's High-quality Bits Series II More+
Drilling Assembly Experience in the Construction Process The control of the pilot hole curve is very important. Choose the best combination of drilling tools according to the type of strata crossing. In the rock construction process, for the high strength o... More+
GREAT's High-quality Bits Series I More+
How to Choose a Reasonable Reamer for Pre-reaming Before pre-expanding, an optimized reaming plan should be formulated, and the maximum reaming diameter and number of reaming should be determined according to the equipment capacity, stratum condition... More+
Quality control is the lifeblood of products. We, GREAT, will give you the best experience. More+

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