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Length 550mm 600mm 800mm 1 Meter Diamond Core Drill Bits | 22'' 24'' 32'' 40'' Long Reinforced Concrete Wall Hole Saw Cutter - AliExpress
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3" Inch Diamond Wet Core Drill Bit 1-1/4” Threaded by BLUEROCK Tools for Concrete Rebar Asphalt Brick Rock Masonry Hole Barrel Coring - Amazon.com
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BLUEROCK DRY Type 1"-5" Set Diamond Coring Bit - Concrete Core Drill - PACKAGE DEAL - BLUEROCK Tools
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