Counter Boring Process involves enlargement of any existing hole to achieve flat bottom. This process is effective for surfaces made of metals, plastic and wood. This specific process is effective for easy insertion of bolt or screw during fitting of washer. Counter Boring Process helps to generate cylinder shaped cavity that has large dimension. This method is executed under the supervision of skilled personnel to avoid any flaw. Latest machine is used to conduct this boring method. This process proves to be useful for insertion of socket head cap screw or hexagonal head screw. This method is also useful for generating perpendicular surface before insertion of fastener head.