Originally Posted by kawi650

First; your 5 years late on this topic.

Second; if I try to use a 2.5mm screw on my Hitec servos, I can usually pull it back out with my hand. The proper M2.6 screw holds tightly in the same servos. $3 for 6 or 8 screws in the correct size is a lot more useful 500 in the wrong size, especially when you only use 1-2 of them per car.