What is the purpose of honing oil?

Honing oil is an important component of industrial fluids in the metalworking industry. It is used in a variety of applications, including honing, grinding, and machining operations. It is designed to reduce friction between the abrasive tool and the workpiece. Typically containing a blend of lubricating oils and additives, such as rust inhibitors and anti-wear agents, honing oil can improve the quality and precision of the sharpening process by reducing friction and heat. This further prevents the buildup of debris and metal particles and protects the workpiece from damage.

Significance of Honing Oil in the Metalworking Process

  • Improves surface finish: Honing oil helps to produce a smooth and polished surface finish on metal parts. This is particularly important in applications where a high degree of precision is required, such as in the automotive and aerospace industries.

  • Extends tool life: Honing oil helps to reduce friction and wear on the cutting tool, extending its life and reducing maintenance costs.

  • Reduces heat generation: Honing oil helps to dissipate the heat generated during machining, reducing the risk of thermal damage to the workpiece and prolonging the life of the cutting tool.

  • Reduces environmental impact: Many modern honing oils are designed to be environmentally friendly, with low levels of volatile organic compounds (VOCs) and other harmful substances. This helps to reduce the impact of industrial fluids on the environment and comply with environmental regulations.

Uses of Honing Oil

  • Lubrication: Honing oil helps to lubricate the honing tool and workpiece, reducing friction and heat generation. It makes the honing process more efficient and protects both the tool and workpiece from excessive wear and damage. 


  • Cooling: Honing oil also helps to dissipate the heat generated during the honing process, which can be significant. Cooling the workpiece and tool reduces the risk of thermal damage and prolongs the life of the honing tool.


  • Cleaning: Honing oil is a cleaning agent, that removes metal shavings and other debris from the honing surface. This helps to maintain the quality of the surface finish and prevents damage to the honing tool.

Common Steps for Applying Honing Oil

  • Clean the workpiece: Before applying honing oil, make sure the workpiece is clean and free of any debris or contaminants. Use a solvent or cleaning solution if necessary.


  • Prepare the honing tool: Apply a few drops of honing oil to the tool, making sure to distribute it evenly over the surface.


  • Apply honing oil to the workpiece: Apply a few drops of honing oil to the surface of the workpiece. The amount of oil needed will depend on the size of the workpiece and the type of honing operation being performed.


  • Begin honing: Start the honing operation and monitor the tool and workpiece to ensure that the oil is distributed evenly and that the surface is polished and smoothed.


  • Add more oil as per requirement: As the honing process continues, the oil will begin to dry out or become depleted. It’s important to add more oil as necessary to ensure that the tool and workpiece are properly lubricated and cooled.


  • Clean up: After the honing operation is complete, clean up any excess oil and debris from the workpiece and tool. 

Lubeco’s products offer a great finish due to low viscosity, excellent job visibility and low viscosity for low carry-over losses. Head into the site to know more about these honing oils and get one for your metalworking operations. It’s important to follow the manufacturer’s instructions for using honing oil, as different types of oil may have different application methods or requirements. Additionally, be sure to wear appropriate personal protective equipment, such as gloves and eye protection, when working with honing oil.