Review on Ideal Choice: iFlight M3 Titanium Hex Allen Socket Button Head Screws - Pack of 20pcs (M3 x 8mm) by Lisa Watson

These titanium screws appear to be good quality, but with a Hudy Ultra Premium hex screwdriver I can remove three screws without much effort. The heads are very shallow and the hex driver doesn't have much surface area to dig in and you definitely run the risk of ripping the head off, even with premium hex drivers. The screws are very light and clean the threads very well in the right quantity in the package. But I'm disappointed with how shallow the hex head is and how easily they can be removed with the result that if they were deeper you wouldn't risk loosening the bolts as easily. If you can get them out of 7075 aluminum as soft as titanium, there's a problem, and that problem is that the base is too flat. 20 bolts versus steel bolts are definitely good weight savings and they're definitely strong. I just don't know how well they hold the motor mounts when you scrape the concrete on landing and whatnot because if you pick some metal off the top of the mount the socket is so flat it just rips off in time if you try to take it out. I really wish I had cap head screws rather than pan head screws as that would allow me to tighten the screws harder without fear of stripping them. Do not use poor quality hex screwdrivers with these screws or you will tear them off every time, even premium screwdrivers are very easy to tear off.