Thin Wall Core Drill Bit

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Thin Wall Core Drill Bit for smooth chip free coring of porcelain, natural stone, engineered stone, granite, and more Model Diameter Width Thickness Grit Grade DBA20 3/4"(20mm) 8mm 1.5mm Standard DBA25 1"(25mm) 8mm 1.5mm Standard DBA28 1-1/8"(28mm) 8mm 1.5mm Standard DBA32 1-1/4"(32mm) 8mm 1.5mm Standard DBA35 1-3/8"(35mm) 8mm 1.5mm Standard DBA38 1-1/2"(38mm) 8mm 1.5mm Standard DBA41 1-5/8"(41mm) 8mm 1.5mm Standard DBA45 1-3/4"(45mm) 8mm 1.5mm Standard DBA51 2"(51mm) 8mm 1.5mm Standard Show more