The Alemite Grease Fitting Zerk 67.5D features a 1/4-18 PTF connection, made from high-quality steel with a zinc coating (ZC) for enhanced durability and corrosion resistance. This fitting is designed for efficient lubrication in various machinery, ensuring optimal performance and longevity. Its compact design allows for easy installation in tight spaces, making it a versatile choice for maintenance professionals. Ideal for hydraulic systems and other lubrication points, this grease fitting meets industry standards for reliability.