Hss Metal Fine Hole Saw Bit Kit The hole saw bit kit is made of hss, which is a material that can withstand high temperatures and maintain hardness even during high-speed drilling. This hole saw drill bit is suitable for cutting various metal materials such as stainless steel and cast iron. This hole saw consists of a circular blade with teeth on the edge, which is connected to the drill bit. As the drill bit rotates, the teeth of the hole saw penetrate the metal, leaving a smooth and precise hole. This hole saw bits are a fine cutting tool. Product Features Fully sharpened edges for more accurate and sharp drilling. The circle hole saw drill bit is intelligently graded and ground by a CNC machine tool, forming in one go, with a sharp edge. The hole saw drill bit contains a dedicated spring for chip removal, which automatically removes drilling waste. Specifications:…