John
Rack’em Up!
I've used these into concrete and they work well using the correct drill bit for the pilot hole.
http://www.acehardware.com/product/...06&cp=2568443.2568451.2626209.2627528.2627486
http://www.acehardware.com/product/index.jsp?productId=32191586
http://www.acehardware.com/product/...06&cp=2568443.2568451.2626209.2627528.2627486
http://www.acehardware.com/product/index.jsp?productId=32191586