4 7/8 inch PQ3 diamond core bit

Product description PQ3 diamond bit belong to wireline triple tube core barrel drilling bit, it is made by diamond and steel with forging process, Q3 series diamond bit mainly use for broken formation, the small holes on the water tube is easy for flow out the water when drilling, thus can avoid the samples be washed away. Product name PQ3 impregnated diamond bit Material Diamond and steel Process Forging Size PQ3 OD/ID 122.0/83.0mm Unit weight 3.3kg Application Geological drilling and water well drilling…