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9 7/8″ 250.8 mm 4 blades PDC bit for mining well clay soft formation
About PDC Drill Bit
Polycrystalline diamond compact (PDC) bits deliver premium performance and durability for a wide range of standard drilling applications. These matrix- and steel-bodied bits incorporate the latest cutter technology, computational fluid dynamics (CFD), enhanced hydraulics, and various structure geometries to maximize ROP.
Mainly used to drill the roof and side supporting hole, the gas drainage, water infusion, geological exploration hole and grouting hole and so on for the coal mine seam, water conservancy and hydro-power, dam and roadway construction of bolt-mesh support.
Product Description
Polycrystalline diamond compact (PDC) drill bits are made with synthetic diamond cutters in either steel or matrix body material. PDC drill bits revolutionized the drilling industry with a wide application range and high rate of penetration (ROP) potential. Unlike roller cones, these polycrystalline diamond compact (PDC) drill bits are one piece bodies with no moving parts. The fixed-cutters shave away the rock, making it possible to operate with higher rotation speeds more efficiently in consolidated formations.
| Size & parameter for choosing directly | ||||||
| ² | Size | PAL Whorl | PAL Whorl | Rotation speed | Weight on bit | Diameter |
| ² | (in) | specification | Rate(gpm) | (rpm) | (Ibs) | tolerance(mm) |
| ² | 6” | 3 1/2 API Reg | 200-350 | 80-380 | 2000-15000 | +0, -0.38 |
| ² | 8 1/2” | 4 1/2 API Reg | 300-500 | 60-350 | 3000-11000 | +0, -0.51 |
| ² | 9 1/2” | 6 5/8 API Reg | 400-600 | 60-350 | 4000-20000 | +0, -0.76 |
| ² | 12 1/4” | 6 5/8 API Reg | 550-850 | 60-350 | 4000-14000 | +0, -0.76 |
| ² | 17 1/2” | 7 1/2 API Reg | 550-850 | 60-240 | 5000-24000 | +0, -1.14 |
| ² | Others | According to your requirements, we can design and produce all above specification(All size 3 1/2”–26”) | ||||
PDC bit
4 inch PDC bit
steel body PDC bit
