| 摘要 |
<p>A method and apparatus for forming apertures and inserting fasteners in a workpiece is disclosed. One embodiment relates generally to a bit holder device (10) for forming apertures and inserting fasteners into a workpiece. This embodiment comprises a tool bit (16), a hex holder member (18), an adapter hex member (32), a double collet member (52), a collet retention cap (56) and a drill bit (60). The drill bit is capable of drilling an aperture into a workpiece whereupon the drill bit, the collet retention cap, the double collet member and the adapter hex member are removed from the hex holder member thereby, allowing the tool bit to forcibly insert a fastener into the workpiece.
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