| CPC F16B 43/009 (2013.01) | 17 Claims |

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1. A fastener comprising:
a shank including a threaded section having a first diameter and an unthreaded section having a second, smaller diameter;
a flange attached to the unthreaded section of the shank, the flange having at least two flat sides that are diametrically opposing at a periphery of the flange and configured to engage with a tool; and
a bushing including a tip, a base, and a tapered sidewall extending from the base to the tip, wherein the bushing defines a central hole received on the unthreaded section with the base adjacent to the flange, wherein the base includes a bottom and a sidewall extending from the bottom to the tapered sidewall.
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