I have a rail and stile cutter from Axminster, several years old but still sold. The groove this makes for the panel insert of a cabinet door is 6.35mm for presumably a 6mm board. Just been searching for plywood to make some panels and it all seems to be 5.5mm now. MDF at 6mm no problem. So when did ply become 5.5mm or was it always so and I never realised?
Related - anyone know of a good source of oak veneered 6mm sheets? OR have an opinion on veneered MDF over veneered ply? I must admit I have always tended towards ply but MDF seems to be far more common nowadays. It is only for workshop cabinets and I am trying to decide whether to go for oak veneered as I have a load of oak I could use to make stiles, or to go painted and just use plain MDF or WBP ply...