Servo fixing. Self tapping screws or nuts and bolts

[trex flyer]

Which is the best way to secure servos to the frames of my T rex 600.
I have some stainless nuts and bolts and self tapping screws but not sure what to use, which is best or dont it matter

[barney]

Hi, There should be plastic plates and blacl allen screws supplied with your 600 that you use.

cheers Brian