| 摘要 |
An apparatus for pushing a fastener from a host material with, for example, an air hammer includes a punch shank a compression spring, a hollow sleeve, a fastener and a punch. The hollow sleeve includes an opening formed therein for interfitment over a central portion of the punch shank, and a set screw placed therein for engagement with a retention flat portion of a central portion of the punch shank. The punch includes a top that operably engages with the air hammer, and a bottom end having a recess formed therein, where the recess is configured and arranged for retention of a top of the punch shank. The spring fits over the punch shank, and contacts the bottom end of the punch and the top end of the sleeve.
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