The Alemite Grease Fitting Zerk 1/8-27 PTF with a .31 inch shank is a high-quality lubrication fitting made from Monel, known for its exceptional corrosion resistance and durability. This fitting is designed for use in various industrial and automotive applications, featuring a 1/8-27 PTF thread for compatibility with standard grease guns. Its robust construction ensures reliable performance under demanding conditions, making it ideal for critical lubrication points. The Zerk design allows for easy grease application, ensuring efficient maintenance of machinery and equipment. This fitting meets industry standards, providing peace of mind for professionals seeking quality and reliability.