| 摘要 |
A drill guide apparatus for guiding a drill bit along a path that is axially aligned with an edge of a piece of material being drilled. The drill guide apparatus includes a guide block and a base block for guiding the drill bit along the path. The guide block includes a guide bore extending through an upper and lower surface of the guide block. The base block is provided for moving along an edge of the work piece. The base block is mounted on the guide block to set a distance between said guide bore and said base block for establishing a separation between said path and the edge of the work piece.
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