The wheels on 3 wheelbarrows on our allotments need replacing. The axle mounts all have the same nuts & bolts; a bolt with a very shallow head (approx 1" diam) with an equally shallow cross thread in it. What's the canonical way of getting purchase on it so that I can actually unscrew them? I'm beginning to think that using this hardware is built-in obsolescence and that I'll have to reach for the angle grinder; but before I do am I missing something?
Thanks, Douglas de Lacey