| 摘要 |
A ball bearing connector is provided, comprised of a setting tool further comprised of several steel balls which are biased either inwardly or outwardly by means of a biasing member. An easily interchangeable drill stop further comprised of an annular recession is position into or over the setting tool, and the balls located thereon fit in the annular recession to provide a releasable snap-fit connection between the drill stop and the setting tool. |
