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4966 Semi-Synthetic Coolant

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4966 Semi-Synthetic Coolant is formulated for use in medium to heavy duty machining operations. It combines all the lubricating properties of a straight oil product with the operational benefits of a synthetic format. 4966 is a clean-running coolant, which features high visibility of the machined piece.


Form Tapping
Heavy-Duty Machining Operations
Metal Grinding
Metal Sawing
Roll Taping


  • Use for ferrous and non-ferrous metals, including carbon/cast steel, cast/malleable grey iron, stainless steel, high alloy steel, titanium, and aluminum
  • Use for grinding, sawing, turning, shaping, milling, drilling (including deep hole drilling), boring, form tapping and roll tapping
  • Efficient flushing properties to facilitate cleanliness of machine and parts
  • Imparts corrosion resistance and is used as a corrosion inhibitor for both ferrous and non- ferrous materials
  • Non staining and non-corrosive over a broad spectrum of aluminum alloys


  • 5 gallon pails
  • 55 gallon drums
  • 275 gallon recyclable totes

Walker produces a precision line of lubricants, coolants, grinding and cutting oils for metal, glass, ceramics and heavy duty machining operations.

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Mike Arvetis

Technical Sales Representative
[email protected]
Call Mike