I have got some OS rasters but there isn't georeferencing file (TFW) with them. When I try to load them, it will obviously load in the wrong place. They are loading fine in a different GIS software (CadCorp) because the tile name is recognised (example:SJ86SW). Is that possible in QGIS? If not, while georeferencing the file can I snap to the corners of the raster to get the absolute position of these points?

Thank you with advance