PDC Non coring bit 1.features of large torque, wide drilling range and durable 3.super long life 4.high drilling speed. PDC Non coring bit  PDC non-coring bit is a kind of full face drilling bit,it is mainly used for coal mining,water conservancy and...

Non coring core bit 1.features of large torque, wide drilling range and durable 3.e-6 segment good quality 4. wooden case Non coring core bitIt is a kind of of non-core PDC drill bit,  through our fine processing technology and quality control system, it performs very good...

geological drill bit 1.features of large torque, wide drilling range and durable 2.underground coal mining 3.long service lif geological drill bitThe bit can be used together with various drill machine in underground coal mining.The base body is machined by advanced numerical...

geological drill bit 1.features of large torque,wide drilling range and durable 2.underground coal mining 3.long service life geological drill bitThe bit can be used together with various drill machine in underground coal mining.The base body is machined by advanced numerical...

Mining PDC drill bit 1.features of large torque, wide drilling range and durable 3.e-6 segment good quality 4. wooden case Mining PDC drill bitIt is mainly connected with spiral drill shank and works with coal electric drill machine or portable drill machine. Due to the...

PDC Coal Mine bit 1.features of large torque, wide drilling range and durable 3.e-6 segment good quality 4. wooden case PDC Coal Mine bitIt is mainly connected with spiral drill shank and works with coal electric drill machine or portable drill machine. Due to the technique of...