HERE ARE SOME SITES I’VE COME ACROSS WHICH MERIT A LOOK. YOU’LL HAVE TO COPY AND PASTE THE ADDRESSES.
This lady really knows her hardware. Check her posts about screws and nuts and bolts.
This doesn’t have anything to do with doing it yourself, but it’s important anyway. It’s the blog which follows my daughter, Mindy’s trip across the country on bicycle to promote concern for the climate. Yup, cross country on bicycle! Whew!