Originally Posted By: ccoombs
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It is common to use this type of truss plate at web connections. The plates are installed smooth, so I wouldn't think this was a homemade truss or filed made truss.
As for the rounding of the ends, I'm sure there is a (money saving) reason for doing such. My guess is it makes it faster/easier to build the trusses. I would assume they order or mass cut the ends of all the web members. That way you don't have to make a custom or exact angled cut to fit the angle of the truss. You would still have to deal with the connection at the bottom chord. But it is one less "exact angle" cut.
As for lumber types, it is very typical for a different type of lumber to be used for the web of the truss. In California we use Doug Fir-Larch for our nailing connections at the roof sheathing and bottom chords for drag trusses. However, SPF is much less expensive, so they use it at the web members.
If there is a concern with a manufactured truss, I would recommend the owner contact the truss manufacture. They will typically provide customer service/fixes/etc. at no additional cost.