3 1/2 API DTH Drill Pipe For Mining And Stone Quarrying

3 1/2 API DTH Drill Pipe for mining and stone quarryingProduct Information1.Type: Drill Pipe2.Material:42CrMo73.Brand Name:KAIYU4.Use: Welling Drilling5.Thread type: 3 1/2" REG6.Machine Type: Drilling Tool7.Certification: ISO9001 , API8.Processing Type: Forging9.Packing Details: bundles, thread protectors on pin and box10:Delivery time: Within 15days after the payment.Product DescriptionDrill pipes that are used in applications such as DTH/ DTHR/ DR basically comprise of a steel tube with a pin at one end and a box on the other. The job of the drill pipe is to transmit rotational torque and th
3 1/2 API DTH Drill Pipe For Mining And Stone Quarrying