Drill Pipe: Grade:DZ50,E75,X95,G105,S135,R780 OD: ... joints. Detaild Product Description:Drill Pipe :Grade:DZ50,E75,X95,G105,S135,R780OD of pipe body:Φ42/Φ50/Φ60/Φ73/Φ89 ... /Φ101/Φ114/Φ127mmOD of joint: Φ65/Φ75Φ86 ... drilling, Forepoling, coal and nonferrous metal mining projects Drill Pipe (E.X.G.S)Size (inch)WeightDesignationCalculated Plain-End ...