Motor connection just use the gear motor mount with screw to fix Feature:1. Aluminum alloy material, which has the characteristics of durability and enough strength to meet your needs2. For M3 screws, you can fix the gear motor on the surface of the motor speed change box. There are 4 threaded holes in 16mm/0.6 inch and 32mm/1.3 inch holes for attaching to the godilda3 system. There are 6 countersink holes on the 31mm/1.2 inch diameter circle to fix the gear motor, providing a highly flexible and stable installation method4. The thickness of 7mm/0.3in keeps the gear motor bearing directly below the surface of the gear motor holder on the motor, avoiding protruding interference and ensuring a flat installation plane5. Can be used for Fix for Neverest Spur Gear Motor, for goBILDA 7201 Series Spur Gear Motor, for REV HD Hex Head Spur Gear Motor for for goBILDA Robot System DesignSpecification: Item Type: Gear Motor MountMaterial: Aluminum Alloy Model: 3701-0016-0003Bolt Hole Model: for M3Universal: Can be used to fix for Neverest Spur Gear Motor, for goBILDA 7201 Series Spur Gear Motor, for REV HD Spur Gear Motor for for goBILDA Robot System DesignPackage List:5 x Gear Motor To Assemble On30 x ScrewNote:Please match the right size of your project before installation and use 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.