Nuts, bolts, fixings ask? I would like to know if there's a product explicitly shaped like...

I would like to know if there's a product explicitly shaped like a bolt but have an internal thread (To be used in conjunction beside an ordinary bolt)? If you know the given name of what I'm describing, or anything similar, I'd appreciate the help.
There is no electrical wall socket aft my...
I'm a bit confused by your question but if its bolt fixing for concrete which you tighten up near spanner etc,
take a look at these..

WHERE CAN I BUY A 60A BS1361 fuse?
The fixing you are thinking about is call an "inter screw", you can find them at Screwfix.

http://www.screwfix.co.uk/app/sfd/cat/pr...
"Easy Coper" enjoy you used it?
Answers:    what roughly speaking anchor bolts

http://www.screwfix.com/app/sfd/cat/pro....