Mobil Vactra No. 3 is a high quality mineral based lubricant that is used in machine tool slideways. Vactra is a line of Mobil Lubricants that are used in a variety of applications in machining operation. Their No. series are lubricants used in precision machine tools Slideways due to their resistance to "Stick-Slip" in linear bearings as well as their outstanding separability from aqueous coolants. No. 3 represents the thickness of the oil which is an International Standards Organization Viscosity Grade (ISO VG) 150.

If you want to learn more about these types of lubricants, click on our articles below.

Understanding Types of Lubricants: Base Oil Groups

Quality Base Oils: The Foundation of a Great Lubricant

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What does the ISO VG number of a lubricant mean?