If I were going to run the coupling hub version carto punch mentioned above, I would get these winged bolts and put a point on them. Wing Screw, Iron, Zinc, 1/4-20 x 1 In, Pk 25 - Thumb Screws - Screws - 5MNF5 : Grainger Industrial Supply
I like the saddle valve w/ wood for several reasons, The...