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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
metal & plastic
Carbon electrodes will not rust or corrode & require less frequent cleaning than metal electrodes
Eliminates need for stocking expensive lock nuts and lock washers
Outer diameter: 1-1/2"
easy to install
Porcelain Tile Bit 5/32" BackToCampus metal & plastic"ARTU USA INC" PILOT POINT GRINDING DRILL BIT 5 32" Porcelain Tile Bit & 5 32" Pilot Unique Point Grinding Let It Cool Down For Several Minutes Between Each Hole Drill porcelain tiles up to #8 scratch hardness Extreme low drilling pressure Will not walk no tape or center punch needed 4 face cobalt & tungsten carbide bit tip Ground double flute for fast dust removal Use smaller pilot drill first then porcelain bit Operate drill at 400 to 600 rpms Cut