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Robo R2 hot end set screw size

Discussion in 'General Questions' started by Carlos Herrera, Jun 10, 2019.

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  1. Carlos Herrera

    Carlos Herrera New Member

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    Anyone know what is the size of the bolt that holds the hot end in place? Mine seems to be stripped. Many thanks in advance.
     
    #1 Carlos Herrera, Jun 10, 2019
  2. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    Mine stripped too, what I had to do was drill out the shavings and drill it clear though with a 3.5 mm bit (I suppose a 3 mm might work also) then I re-tapped the threads for an M4 bolt. I am not sure you will ever find a replacement for that aluminum piece.
     
    #2 WheresWaldo, Jun 10, 2019
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  3. BLKFLD

    BLKFLD New Member

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    I had my M3 bolt strip also. Instead of tapping for an M4 screw, which may require disassembling the carriage I simply put an m3 square nut behind the stripped m3 hole. It appears as though there is a place specifically to do that, or pure chance. works nonetheless.
     
    #3 BLKFLD, Aug 10, 2020
  4. tkoco

    tkoco - -.- --- -.-. ---
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    That base plate is available at partsbuilt.com
    https://www.partsbuilt.com/hotend-plate-r2c2-robo/
     
    #4 tkoco, Aug 12, 2020
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