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Spot Drilling – Get it Straight

If you’re going to drill a hole, it stands to reason that you want the hole to be straight and accurate. There are many ways to accomplish this, but all involve getting the hole started properly. The main obstacle standing between you and drilling a straight hole is drill walk—the amount the tool deflects from a straight path. Avoiding this usually involves starting a hole with the shortest drill possible followed by successively longer drills until the desired hole depth is attained. The hole is started by “spotting” the workpiece, which involves making a dimple in the face of the part with a very stubby and rigid drill known as… Read More »Spot Drilling – Get it Straight