the tv show gearz on speed talked about an threaded inset that was easy for home mechanics to use. ill try to find the info tonight for you.
did a quick search... i think he was talking about these...
http://www.summitracing.com/search/B.../?autoview=SKU
And here's a video clip of him explaining it...
http://staceydavid.com/articles/tips...oft-metal-4988