Saving 5.4 gram = (2.4+2.4+0.6)
Savox screws - 2.4 gram,
Central Hobbies Deep Head Socket Screws - 1.8 gram
http://www.centralhobbies.com/buildi...ers/fastnr.htm
Futaba screws - 1.2 gram
Elevators - 2.4 gram = 2X(2.4-1.2)
Ailerons - 2.4 gram = 2X(2.4-1.2)
Rudder - 0.6 gram = (2.4-1.8)