I really thought this post would be me saying that you guys are putting too much into this "hole lining up" thing but I had to check it out first and it made more of a difference than I expected.
Note though that on my screw the screw driver slot if at 12 and 6 0'clock the air holes are at 3 and 9 o'clock
(KFL, not a clone)
Note though that on my screw the screw driver slot if at 12 and 6 0'clock the air holes are at 3 and 9 o'clock
(KFL, not a clone)