8 1 2 inch pdc bits online manufacture

High Quality 6.5inch 165mm Double Row Cutter PDC Drilling Bit 5blades 1)PDC bit, also known as polycrystalline diamond composite bit, has been widely used in the oil and gas drilling industry and directional ... Read More

Power Factory 6 1/4inch 159mm 5blades PDC Drilling Bit 1)PDC bit, also known as polycrystalline diamond composite bit, has been widely used in the oil and gas drilling industry and directional well construction... Read More

High Quality 6 1/2inch 6inch 4blades Double Row PDC Drill Bit 1)PDC bit, also known as polycrystalline diamond composite bit, has been widely used in the oil and gas drilling industry and directional well ... Read More

Power Factory 6 1/2inch 165mm 4blades Double Row PDCdrill Bit 1)PDC bit, also known as polycrystalline diamond composite bit, has been widely used in the oil and gas drilling industry and directional well ... Read More

Factory Supply Directly 5blades 6 3/4inch 171mm PDC Core Drilling Bit 1)PDC bit, also known as polycrystalline diamond composite bit, has been widely used in the oil and gas drilling industry and directional ... Read More

Factory 6inch 152mm 4blades Double Row PDC Drilling Bits 1)PDC bit, also known as polycrystalline diamond composite bit, has been widely used in the oil and gas drilling industry and directional well constructi... Read More

Factory Supply Directly 165mm 152mm PDC Core Bit Drill Bit 4blades 1)PDC bit, also known as polycrystalline diamond composite bit, has been widely used in the oil and gas drilling industry and directional well ... Read More

Factory 118mm 4 5/8inch 5blades PDC Core Drill Bit 1)PDC bit, also known as polycrystalline diamond composite bit, has been widely used in the oil and gas drilling industry and directional well construction. It ... Read More

Quality Chinese Factory 14 Inch HDD Rock Drill Reamer Product Description Adopt more suitable tooth type, bearing structure, sealing method and claw Angle. Water cutting, good sand back, can effectively reduce ... Read More

139.7mm single roller core bits for drilling This series of bits suitable for slim hole drilling operations such as sidetracking and reentry operations The size range of YC series bir is 3 1/2-6 1/2inch and its ... Read More