Nitro engine screws

[Coyotedog1]

What screws or hex head would be best to use for mounting engine to chassis, seems like factory ones strip out very easy trying to remove head appears soft any thoughts, help is appreciated.

 

[Littlemotor]

What screws or hex head would be best to use for mounting engine to chassis, seems like factory ones strip out very easy trying to remove head appears soft any thoughts, help is appreciated.

Grade 12.9 Socket head cap screw (SHCS). Protek “High Strength”, or Tony’s Screws are all I use.

 

[alfredwong2003]

If you uses thread lock, you don't have to over tighten them and should be good.

 

[Littlemotor]

If you uses thread lock, you don't have to over tighten them and should be good.

All the more reason to use proper 12.9 hardware buddy…