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Cutting Arborite sheets cleanly and quickly.

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  • Cutting Arborite sheets cleanly and quickly.

    I recently decided to cut a piece from an old 1/16th inch thick Arborite sheet I had hanging around in the basement to cover a 14 x 12 inch access hole that the plumber cut into the wall last week when he replaced the entire bathtub faucet-valve-spout assembly. I had forgotten how to cut this material which is very brittle and chips easily. I tried a mitre handsaw which worked but was too slow and a strain on my recent rotator cuff injury in my right shoulder. I tried my jigsaw in a table I made for it and it chipped the Arborite twice while cutting. (I know I could have tried using the jigsaw by hand with tape over the cutting line but I didn't.) Then I tried my Dremel rotary tool using the right angle attachment with three different cutting disk types. In the end, this little carbide cutting wheel worked the best. It cut quickly, cleanly and stayed on track. I was pleased and relieved to have found the best way to cut thin Arborite so I thought I'd pass it along. (On the safety side, I wore my safety glasses which protected my eyes from specks of Arborite kicked onto my face during the cutting.)
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  • #2

    Re: Cutting Arborite sheets cleanly and quickly.

    I've cut it by scoring it very deep with a knife and then snap it off.
    QC Inspector likes this.
    Steve The Drill Sergeant
    Check out MyShopNotes on YouTube.

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    • #3

      Re: Cutting Arborite sheets cleanly and quickly.

      I've also used a carbide scoring tool to score and snap off. I find cutting a straight line with a small Rotary blade difficult compared to scoring along a metal straight edge.

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      • #4

        Re: Cutting Arborite sheets cleanly and quickly.

        table saw or 1/4" router bit
        Wally in Calgary likes this.

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        • #5

          Re: Cutting Arborite sheets cleanly and quickly.

          I have Carbide tipped pull knife made by Reynolds as I recall. Several passes on the Arborite and if it's not cut thru' it snaps off clean anyway. If you need a super clean edge, cut it slightly big and trim the edge with a router.

          EDIT : as per Andre (2 posts down) it's a Richards knife, NOT Reynolds.
          Last edited by John Bartley; 01-14-2021, 02:30 PM.

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          • #6

            Re: Cutting Arborite sheets cleanly and quickly.

            I have and used a scoring tool to cut/break Lexan and some plexiglass, after I tried to saw it, (was melting and sticking to the saw) the scoring tool worked perfectly.

            Much like this one from HD
            Click image for larger version

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            Have fun and take care
            Leo Van Der Loo

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            • #7

              Re: Cutting Arborite sheets cleanly and quickly.

              I use a Richard's scoring knife that has a carbide tipped point
              John Bartley likes this.

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              • #8

                Re: Cutting Arborite sheets cleanly and quickly.

                Originally posted by Andre in Quebec View Post
                I use a Richard's scoring knife that has a carbide tipped point
                Yeah, that's the one I have.
                John Bartley likes this.

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                • #9

                  Re: Cutting Arborite sheets cleanly and quickly.

                  Originally posted by Andre in Quebec View Post
                  I use a Richard's scoring knife that has a carbide tipped point
                  Yes, that's the name I couldn't think of. That's the one I use too.

                  Thank you !!
                  Andre in Quebec likes this.

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