1 1/2" Granite Full Bullnose Router Bit concrete stone polishing drum core bit

(d) 7 Pieces of 1 1/2" Diamond Wet Polishing Drum for granite marble concrete sink / basin hole / sink cutouts / tight radius (with 5/8"-11 Thread arbor). -Ideal speed (of polisher / grinder) capacity is 4000 RPM, Not be higher than 5000 RPM.

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