1. O.D: 2-3/8"-20" 2. Grade:J55 K55 N80 P110 ect . 3. Thread :NU EU STC LTC BTC. 4. Standard: API 5CT. API Spec 5CT Coupling NPS: 1. Tubing: 1.9”, 2-3/8”, 2-7/8”, 3-1/2”, 4”, 4-1/2”2. Casing: 4-1/2”, 5”, 5-1/2” ------ 16”, 18-5/8”, 20”OD:(mm)1. NU Tubing: 55.88-132.08 2. EU Tubing: 63.5-141.32. Casing: 127-533.4Grade: J55, K55, M65, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, C90, C95, T95, P110, ...