Technical standards: API SPEC 5CT, API SPEC 5B, ISO 11960:2004
Product grades: H40, J55, K55, N80-1, N80Q, L80, C95, T95, P110
Specification range: OD 127 to 365.12mm (4 1/2 to 13 3/8 inches)
Thread types: short round thread (STC), long round thread (LC), buttress thread (BC)
Usage of product: internally threaded cylinder for joining two lengths of threaded casing pipe