tool joints, we supply tool Joints are made of AISI 4137 premium alloy steel fully and machined by CNC lathes. All connections are phosphates, coated with lubricant and provided with thread....
We are a professional manufacturer of API 7-1 Stabilizer Forgings and APi 11B Sucker Rods and API standard Wellhead Equipments. Products are made strictly as per API standard with test certificate.....
drilling spool, API standard. 1) Pressure: 2000~ 15000psi 2) Size: 7-1/ 16" to 21-1/ 4" 3) Adopt casting or forging 4) H2S Trim/ Best Price API 16A Drilling Spool Features: 1) Standard: ....