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  1. #1
    Join Date
    Nov 2010

    Default Wire filler size?

    Hi, I am MIG welding 1/8" 3003 aluminum with 4043 filler wire. What size filler wire should I use?

    I have Millermatic 212 with spool mate 200 spool gun.

    I am building a motorcycle pull behind trailer with aluminum diamond plate and angle.

    Any help appreciated. Thanks

  2. #2
    Join Date
    Sep 2005
    Salem ,Ohio


    .030 would be perfect but its hard to find in some places like my neighborhood so i always used .035. Then i talked my dealer into ordering some .030...Bob
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
    Metal Master Fab Salem, Oh 44460
    Birthplace of the Silver & Deming Drill
    1999 MM185 w/185 Spoolgun,1986 Thunderbolt AC/DC
    Spool Gun conversion. How To Do It. Below.

  3. #3
    Join Date
    Nov 2010


    Thanks Bob, that's what I got.

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