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ABS coupling nuts are essential plumbing components designed to securely join two pipes or fittings together. Type 1 coupling nuts feature a standard design with reliable threaded construction, making them ideal for both residential and commercial plumbing applications. Manufactured from durable ABS plastic, these nuts resist corrosion and chemical degradation, ensuring long-lasting performance in various water systems. The precision-engineered threads provide a tight, leak-free seal when properly installed. Perfect for repairs, replacements, or new installations where dependable pipe connections are critical.