I don't think so. The problem isn't the gage of the spokes, but the proximity of the hole to the edge of the flange. If you drill out the holes for larger tandem spokes, which are 13 gage (2.3mm), the hole gets closer to the flange edge and the larger the hole the greater the distance that is required to prevent the spokes from shearing off the flange. Also, with such a low spoke count, the problem is more severe, since fewer spokes must carry the load.