Yeah that's right. You need to drill some pilot holes for those screws into the body. You will need to screw them in and out to adjust the tension on those strings during setup.

Also important to note, that little tang on the claw is where you solder your bridge earth wire.

For pics, have a look through this thread

http://www.buildyourownguitar.com.au...ead.php?t=8108

Third pic down in the first post - on the right hand side there are the various link options for the pic - click on the BBcode and post that.