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A counterbore is a large cylinder-shaped hole with an even bottom to it. A counterbore is typically required if you want to create a large hole to fit an unusually large screw or use for fastening. There are many counterboring tools that are used to make a present hole larger. A counterbore is generally required when a fastener is needed to flush with or below a work piece’s surface level. To make larger holes, what you need is suitable counterbore bits and tools. These counterboring tools can b Visit site »| Tweet |