I tried in rec.woodworking but nobody could help. I want to build a pine
timber straight staircase. My stringers are 4 X 12 and the treads are 3 X
11. The wood is freshly sawn so I don't think moritising the treads into the
stringers will be a good idea because of shrinkage. I was thinking of simply
lag bolting the treads in place and then everything could be tightened as it
dried. Threaded rod through the treads would be nice but drilling a 4' long
hole through the 3" thick treads would be tricky. Any other ideas out there,
I don't want to re-invent the wheel.
Thanks