Threaded connection seals use elastomeric O-rings or metal seals in threads connecting wellhead components. Thread sealants or thread lock compounds may supplement mechanical seals. Proper thread engagement and torque application ensure adequate seal compression. Thread condition including cleanliness and absence of damage directly impacts sealing effectiveness. Regular inspection and... https://globalsealstech.com/product-category/oil-gas-seals/api-6a-wellhead-equipment-seals/