The DIN 2353 four-way fitting, type K, is a precision-engineered component designed for reliable and leak-free hydraulic connections. Featuring a 24° DIN 2353 socket with external metric threads, it is available in three strength classes: LL (very light series), L (light series), and S (heavy series), ensuring optimal adaptability to diverse pressure ranges and system requirements. Manufactured from high-quality carbon steel and finished with an advanced zinc-nickel coating of 6–10 µm thickness, the fitting delivers exceptional durability and long-term performance. Its superior surface treatment provides outstanding resistance to corrosion, with proven protection of up to 720 hours in salt spray testing, making it an excellent choice for demanding industrial environments. Engineered for precision, safety, and longevity, this fitting guarantees secure connections even under challenging operating conditions, offering a dependable solution for hydraulic systems in sectors such as manufacturing, construction, and heavy machinery.