1. Lard oil: Lard oil is a natural lubricant that has been used for centuries to cool and lubricate metalworking tools. It is especially well-suited for drilling cast iron, as it helps to prevent the formation of chips and burrs.
2. Sulfur-chlorinated Cutting Oil: Sulfur-chlorinated cutting oils are a type of mineral oil that has been treated with sulfur and chlorine. They are effective at lubricating and cooling metalworking tools, and they also help to prevent the formation of chips and burrs.
3. Water-soluble Cutting Oil: Water-soluble cutting oils are a type of lubricant that is made from a mixture of water and oil. They are effective at cooling metalworking tools, and they also help to prevent the formation of rust.
4. Tapping Fluid: Tapping fluid is a type of lubricant that is specifically designed for use in tapping operations. It helps to lubricate the tap and prevent it from becoming damaged.
5. Thread Cutting Oil: Thread cutting oil is a type of lubricant that is specifically designed for use in thread cutting operations. It helps to lubricate the cutting tool and prevent it from becoming damaged.