coal oilfield drill bit online manufacture

8-1/2inch 6 Blades Rock Drilling Bit Coal Mining Bits Matrix Body The diamond bit has a wide working range and can penetrate quickly even in softer rock where the bit is lighter in weight. When the ground gets ... Read More

8.75inch 6 Blades PDC Drilling Bit Oil Drill Bit Factory 1. The cutting structure adopts the force balance design, asymmetric blade, deep chip flute design, etc., and the drill rotates at a higher speed. 2. The ... Read More

6-1/2 6 Blade PDC Rock Bit Water Drill Bit Coal Mining Drilling Machine PDC bits are far less expensive than natural diamond bits, but are only suitable for soft to edium hard formations. After the PDC bit was ... Read More

6-3/4 5 Blade Oil Well Drill Bit Water Drill Bit PDC Cutter Drilling Machine PDC bits are less expensive than natural diamond bits. After the PDC bit was successfully manufactured and used in the early 1970s, ... Read More

8-5/8 5 Blades Rock Drill Bit Water Well Drill Bits PDC Cutter Drilling Machine PDC bits are cheaper than natural diamond bits. After the successful manufacture and use of PDC drills in the early 1970s, ... Read More

9 1/2 Inch 5 Blades High Quality Drill Bits Mining Drill Bits 1. Advanced geometric design, faster penetration. 2. Add tools for optimum performance. 3. Large trash chute for better hole cleaning. 4. Deep hole ... Read More

8-1/2inch 5 Blades PDC Core Bits Oilfield Drill Bit Gauge Length Diamond PDC drills are designed to operate at high penetration rates, even in applications that require higher insert and tool counts. Its unique ... Read More

8-1/2inch 5 Blades PDC Core Bits Oilfield Drill Bit Gauge Length Diamond PDC drills are designed to operate at high penetration rates, even in applications that require higher insert and tool counts. Its unique ... Read More

PDC Cutter Tungsten Carbide Cutters Drilling Tools PDC tools are mainly used for oil drilling equipment and wearing parts of oil drill bits, coal drill bits and machining tools. They are made from high-quality ... Read More

PDC Cutter Tungsten Carbide Cutters Drilling Tool PDC cutters are mainly used for oil drilling equipment and wear parts of oil drill bits, coal drill bits and machining tools. They are made of high quality ... Read More