Our company specializes in manufacturing Buttress Thread Casing Couplings compliant with API 5CT standards. We offer a variety of options including K55, N80, and L80 grades, with specifications such as 20-inch diameter and 133 LB/FT weight. Our Buttress Thread Casing (BTC) design ensures optimal performance and durability. Each coupling is surface painted for added protection and visual appeal. Contact us for reliable solutions tailored to your needs.