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Making a Metal Drillbit - drillyourownwell
The two inch drillbit and pipe should be taken completely out of the ground leaving only the 1.25 inch wellscreen and pipe in the ground. The examples shown here are all two inch drill bits which anticipate a 1.25 inch wellscreen being installed after the hole is drilled. JIGSAW. The first technique is the easiest, provided you have a jigsaw ...