| 摘要 |
The present invention is directed to fasteners for use in associating, preferably compressively or closely in stacked fashion, at least two work pieces from a single side of one work piece wherein each work piece has a range of possible thicknesses, and consequently each work piece defines a bore or hole of variable length. Fastener embodiments of the invention comprise a collet body (20) and a cylinder body (280, 80) that are axially matable with each other over a range of displacements. |
