3/4″ hex brass fitting for water hose on classic mini A series engines. 1/2″ hose barb and 5/8″ x 18 tpi tapered thread. Drilled with a HSS stub drill, turned with a carbide insert for aluminium and screwcut with an 18tpi full form threading insert. Lathe is a small cnc lathe made 25 years ago by Hercus in Australia. It is a model PC 200 controlled by a PC and uses proprietary Hercus CAD/CAM software
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