Friction drilling makes holes quickly and accurately in tube, plate, and sheet
Hot Holes: A great article in Shop Metalworking Technology about Flow Drilling and CMA Rapid Drilling Machines
Need a threaded fitting on a thin-walled heat exchanger? How about a super-strong mounting hole for a handrail or steering column? Engineers and product designers have long relied on welded nuts to create threads in parts where wall thickness or material strength is insufficient for tapping, and press-fit or riveted bushings are often used to shore up flimsy parts and sheet metal components.
Managing Director at Flowdrill helping designers make a lighter and stronger product.
8ySuper article Luc, first time I have seen it.