a through bore grooved flange adapter

{"cid":"91191266","title":"API 6A Double Studded Adapter , DSA 30\" Wellhead Adapter Flange","imgUrl":"https:\/\/img.chinax.com\/nimg\/07\/c7\/d1b9dda936eb17e45f492ac87b25-200x200-1.jpg","attrs":{"Price":"USD1500-12000\/set","Brand Name":"","Model Number":"1-13\/16\" to 30\"","Minimum Order Quantity":"1 set","Delivery Time":"7-30 days","Certification":"API 6A","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"200 sets per month","Packaging Details":"Export Wooden Case","Product Name":"Double Studded Adapter, API 6A Wellhead Flange(DSA),Threaded Flange Adapter","Keywords":"Double Studded Adapter, DSA Flange","Application":"Oil & gas drilling","Pressure":"2000PSI-20000PSI"}}

{"cid":"91193353","title":"AISI4130 Wellhead Adapter Flange \/ 5000psi BX Weld Neck Flange 13 5\/8\" Size","imgUrl":"https:\/\/img.chinax.com\/nimg\/f4\/7d\/30b11b2fed1d8d5e118bb1957cc1-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"JC Wellhead","Model Number":"5000psi BX Weld Neck Flange adapter","Minimum Order Quantity":"1 set","Delivery Time":"30-45 days","Certification":"API 6A","Place of Origin":"China","Payment Terms":"T\/T, L\/C, D\/P","Supply Ability":"300 sets \/ month","Packaging Details":"Polywood case for land, air, ocean shipment","Application":"Oil well drilling operation","Usage":"wellhead connection","Material":"Alloy steel","Production Level":"PLS 3","Production level":"PR1","Standard":"API 6A","Product name":"Wellhead Flange Adapter BX Type","Working pressure":"5000psi","Flange size":"13 5\/8\"","Working condiction":"standard serive or sour service"}}

{"cid":"91186823","title":"Forged Steel API 6A Double Studded Adapter Flanges","imgUrl":"https:\/\/img.chinax.com\/nimg\/c4\/9a\/b6b355de3ff7c4d9009789738611-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"TR Solids Control","Model Number":"TRZFL","Minimum Order Quantity":"1 pc","Delivery Time":"Within 20 days after deposit","Certification":"API & ISO Certificate","Place of Origin":"Xi'an China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"10000 Pcs Per Month","Packaging Details":"Pallet or wooden case","Size":"1\/2\"-48\"","Working Pressure":"-46\u00baC-121\u00baC(L-U)","Connection":"Flange Ends","Specification class":"PSL1-PSL4","Performance Class":"PR1-PR2","Material":"Carbon Steel, Forged Steel","Standard":"API 6A"}}