ST KOOL 15T  is water soluble Synthetic Tapping & Threading fluid specially formulated for excellent tapping & threading operations without neat mineral oils. It’s EP additive increases the tool life, thus giving more productivity. ST KOOL 15T is specially formulated to give corrosion protection even in humid atmosphere, thus giving less rejections of WIP. Since it does not contain any Heavy metal, it is totally safe product for operators as well as costly machines.