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  • #16
    I like "butter cut" cutting fluid for big holes. Not really because it's better, just because it smells like hot melting butter when it burns off a hot bit. Makes me want a BLT with extra bacon.

    ....and a beer.

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    • #17
      There's only one way to prevent "wanting a beer" while in the shop....

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      • #18
        ....having a beer?

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        • #19
          I have to wonder what the possibility is that you may damage or ruin the tank?
          A 6 inch hole saw mounted in a hand drill is going to be a brutal experience!
          I agree with others that you should just take the tank to a shop with water jet or lazer cutting service and let them do the work..
          pg
          Dynasty 200 DX_set up on 3 phase
          Coolmate 3
          MM 251 w/ Spoolmatic 30A
          HTP 625 Micro Cut Plasma Cutter
          Victor O/A Rig
          Bridgeport Mill_3 phase (w/ Acu-Rite 4 axis DRO)
          10 inch South Bend Lathe_3 phase
          Baldor Double Cup Tool Grinder_3 phase
          Baldor 10 inch Buffer
          Rockwell 12 inch Disc Sander
          Cyclone 2ft X 3ft Bead Blast Cabinet
          Quincy 325 2stg- Air Compressor_3 phase
          Graymills Built-in Parts Washer
          Rockwell/Delta Planer, HD Shaper, Uni-Saw etc.

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          • #20
            I have to wonder what the possibility is that you may damage or ruin the tank?
            A 6 inch hole saw mounted in a hand drill is going to be a brutal experience!
            I agree with others that you should just take the tank to a shop with water jet or lazer cutting service and let them do the work..
            pg
            Dynasty 200 DX_set up on 3 phase
            Coolmate 3
            MM 251 w/ Spoolmatic 30A
            HTP 625 Micro Cut Plasma Cutter
            Victor O/A Rig
            Bridgeport Mill_3 phase (w/ Acu-Rite 4 axis DRO)
            10 inch South Bend Lathe_3 phase
            Baldor Double Cup Tool Grinder_3 phase
            Baldor 10 inch Buffer
            Rockwell 12 inch Disc Sander
            Cyclone 2ft X 3ft Bead Blast Cabinet
            Quincy 325 2stg- Air Compressor_3 phase
            Graymills Built-in Parts Washer
            Rockwell/Delta Planer, HD Shaper, Uni-Saw etc.

            Comment


            • #21
              I have a magnetic drill and I swear by them --- used to slug around the Milwaukee with Lenox hole saws and more often than not they'd turn out rougher than planned.

              Depending on the stainless, the magnetics may or may not work. There is nothing cleaner than a good magnetic drill with annular bits.
              ESAB TIG 252 with Miller CoolMate
              Spectrum 875
              Diversion 180
              Oxy-A (Harris, ESAB, Ox Weld)
              Miller 252
              MM 211
              CST 280
              Trailblazer - Kubota

              http://www.blackdiamondblooms.com/

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              • #22
                Annular bit. That what I meant by ROTO-broach. Like asking for a crescent wrench. Those technical words get me all gillflirted sometimes.

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                • #23
                  The curved surface in .060 thousands stainless is your first problem with using a large hole saw.........as you'll only be cutting the curve first which will increase the chances of the hole saw catching the material as it bores in........Rotor broaches would also be fine if the material was flat..........burning on .060 material may warp it , but I guess if it's going to warp the tig welding well also do the same...........

                  On .060 I might just take a cobalt drill bit say 1/8" or smaller and make a circle off your pattern.......and then finish the circle with a drum sander or a 1/8" High speed burr...........might be a little slow but at least you have control over the ending results.

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                  • #24
                    Originally posted by ryanjones2150 View Post
                    annular bit. That what i meant by roto-broach. Like asking for a crescent wrench. Those technical words get me all gillflirted sometimes.
                    lol --- ty !
                    ESAB TIG 252 with Miller CoolMate
                    Spectrum 875
                    Diversion 180
                    Oxy-A (Harris, ESAB, Ox Weld)
                    Miller 252
                    MM 211
                    CST 280
                    Trailblazer - Kubota

                    http://www.blackdiamondblooms.com/

                    Comment


                    • #25
                      I would love to see the price of a 6" annular cutter, the 6" hole I would cut with a die grinder and the rest with a hole saw

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                      • #26
                        Grainger has it....$2,375.00....but free shipping.

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                        • #27
                          Originally posted by ryanjones2150 View Post
                          Grainger has it....$2,375.00....but free shipping.
                          Gotta love that free shipping!
                          Richard

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                          • #28
                            Hey Im in on him buying it now that he is getting free shipping

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                            • #29
                              I agree, he should totally buy it.

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                              • #30
                                This thread would be much more helpful if one could easily post pics.......what a freekin' joke

                                www.facebook.com/outbackaluminumwelding
                                Miller Dynasty 700...OH YEA BABY!!
                                MM 350P...PULSE SPRAYIN' MONSTER
                                Miller Dynasty 280 with AC independent expansion card
                                Miller Dynasty 200 DX "Blue Lightning"

                                Miller Bobcat 225 NT (what I began my present Biz with!)
                                Miller 30-A Spoolgun
                                Miller WC-115-A
                                Miller Spectrum 300
                                Miller 225 Thunderbolt (my first machine bought new 1980)
                                Miller Digital Elite Titanium 9400

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