Overview Reviews Product Description COOLCUT® SYN 400 BF is the most technologically advanced coolant on the market. This coolant is designed for severe grinding and cutting operations with high lubricity demand. It is most suitable for aluminum alloys of all kinds including sensitive aerospace alloys. It is also suitable for steels, stainless steels, titanium, yellow metals and other materials suitable for work with ferrous materials and glass. Walter Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Walter Coolcut SYN 400 BF® Coolant/Lubricant 20L Jug 58A407 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *