If the trim instructions call for a 3 wood shaft to be trimmed 1/2 inch for a normal metal wood, how much, IF ANyY, should I trim for a bore-thru shaft installation?   My inclination is not to trim at all, since the shaft will penetrate at least 1/2 inch deeper into the hosel.  Is a good rule of thumb to tip trim 1/2 inch LESS than recommended for any bore-thru wood?