GMB39 Gear Motor Bracket, Laser-Cut Steel The provided mounting holes in the GM3/GM9 gear motors are a convenient way to mount these to your project, but sometimes you just need a different way to mount them. These precision laser-cut steel brackets match the features on the gear motor, and securely clamp them down to your project. Use any #4-sized screw or nut/bolt for assembly, but use special #4x1/2" screw designed for threading plastic to mount these to the chassis. This screw also does a great job going into the steel bracket!

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