Safe Levels of Fish Oil for Pets. The National Research Council has established a safe upper limit of EPA and DHA for dogs. It has yet to establish one for cats. In light of that, it is probably safe to use the guidelines for dogs for both species.
TTP Hard Drills, an easier way to drill steel and harder alloys - Cobalt Drill Sets and Cobalt Drills. Designed and developed from feedback from engineers in workshops TTP cobalt steel Hard Drills - drilling easily harder steels and metals where a normal HSS drill bit can not come close.
However, standard drill bits are generally designed for wood, metal, or masonry, and one can familiarize oneself with different bit types before buying drill bits from a hardware store or an online source like eBay. Additionally, bits designed for metal can usually be used on softer materials like wood or plastic.