hi rounded off the hex bolt that holds the front brake pads on tried heating it , and wd40 but its stuck tight any ideas thanks

lowered 2 in stretched front ,widened front forks, aubergine black pearl paint 40 ford rear light standard exhaust all baffels removed, pods, 155 main, 45 pilot, thruxton needle, 16 tooth sprocket procom ignitor set to no 5