1set Drivegear kit dual drive gear extruder Cloned Btech upgrade for Prusa i3 3d printer Mini Bowden Extruder | Компьютеры и офис

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1set Drivegear kit dual drive gear extruder kit Cloned Btech upgrade for Prusa i3 3d printer gear Mini Bowden Extruder

DualDrive gears for 1.75 mm filament,Precision custom cnc machined with extreme precision guarantees that you get the grip you always wanted. Manufactured in hardened steel with an protective surface treatment will give you long lifetime and extreme reliability. The gears come as a set consisting of a Primary drivegear with a M3 setscrew,fits on a 5 mm shaft with a flat side as those on standard Nema17 motors.A secondary drivegear with integrated high quality bearings and a shaft diameter 3.00 lenght 20 mm in precision ground hardened steel. A Lithium based grease is recommended to use on the gear section and in side the needle bearings for low friction and to avoid wear.A small dab of grease is enough.   Download address of the shared model: //www.thingiverse.com/thing:3015796   Package list: 1 x drivegear kit ( High strength hardened steel gear ) 1 x spring 1 x M3X20 thumb screw 1 x M3 washer 1 x PC4-01 prush fitting 4 x M3X35 screws 1 x M3 hex nut 1 x 3D printed piece (color as show)   ​ The color will vary depending on the batch, the picture is only for reference !！！