We recommend using the M5 steel mounting screw to mount IG52 motors. We use these in our Custom Length IG52 DB Robot platform when we mount the motor to the chassis through two 1/8" thick plates.
The M4 Steel Mounting Screws (8mm Length) can be used to mount IG42 motors. We use them in our IG42 SB platform.
This is an Enclosed 4-wheel drive remote control robot kit. It uses four powerful wheelchair motors and the inside robot cavity has plenty of room for electronics.
The power distribution board features a 5V 5A regulator, and a 12V 2.2A regulator to supply your next project with power safely, and efficiently.