The Lincoln Grease Fitting Zerk 90 M6 x 1 is made from high-quality steel with a zinc yellow finish, providing excellent corrosion resistance. This fitting features a 90-degree angle and M6 x 1 taper thread, making it ideal for tight spaces and ensuring a secure connection for lubrication systems. Designed for use in various machinery and automotive applications, this grease fitting allows for easy access to lubrication points, promoting efficient maintenance. It meets industry standards for quality and performance, ensuring reliability in demanding environments.