The Lincoln Grease Fitting Zerk 45 features a 1/8-27 PTF thread and is constructed from durable steel with a zinc coating (ZC) for corrosion resistance. This fitting is designed for easy attachment to grease guns, facilitating efficient lubrication of machinery and equipment. Its 45-degree angle allows for versatile installation in tight spaces, making it suitable for automotive and industrial applications. This grease fitting meets industry standards for performance and reliability, ensuring optimal maintenance of your equipment.