Overview Reviews Product Description COOLCUT® S-30 is a ready-to-use, high-performance metal cutting lubricant specially designed for automatic and semiautomatic metal removing operations. For general machining. Walter Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Walter Coolcut S-30® Cutting Lubricant 3.78L Jug 53C005 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *