





5-inch couplings for water wells made of carbon steel, stainless steel; available in classes 150 LB, 300 LB, 1500 LB, 3000 LB, 6000 LB, ranging from 2 inches to 8 inches; threading service for water well pipes; we provide all types of threads including NPT, BSP, NPS, API, Buters, Faber, and couplings with API thread.
