Just curious, would something like the one below be ok or the holes are too small for the ball links included?

JR 40MM ALLOY SINGLE OUTPUT ARM
HEAVY DUTY RED ANODISED ALLOY HALF OUT PUT ARM, A MUST FOR LARGE MODELS & HIGH TORQUE SERVOS. ARM COMES PRE DRILLED WITH 1.6mm HOLES BUT CAN BE DRILLED & TAPPED M2 OR M3 FOR SOLID SLOP FREE LINKAGES. AVAILABLE IN RED ONLY.