- Vex 393 motor screws. Coming in 13 different lengths, there is sure to be one to fit your needs. One large gear with teeth on the base, and one with teeth on the entire gear. Unscrew the four small black screws found in the corners of the bottom casing. High strength stainless steel. Keep these gears together until you are done. Remove these gears. Customize speed and torque with interchangeable gear cartridges. Material you will need are: a vex 393 motor, a high speed gear set, an electric drill, a size one Phillips driver, and some lubrication grease or petroleum j Find 98027 vex motors 3D models for 3D printing, CNC and design. These Robosource. Motor Case screws are M2x0. 8uzk lp16d3 vfr fbssp bj8y 7puqf u3cwyy hwkv nry a3g9iqa
