New 1 piece of 28mm (close to 1 1/8") PROfessional sintered Diamond segment core drills. Top grade Diamond segments which especially use on rock or granite, marble or concrete with steel bar (less than 6mm). You can adjust or remove the pilot bit by hex.
New 1 piece of 115mm (4 9/16") Professional sintered Diamond segment core drills. Top grade Diamond segments which especially use on rock or granite, marble or concrete with steel bar (less than 6mm). You can adjust or remove the pilot bit by hex.
New 1 piece of 55mm (2 3/16") Professional sintered Diamond segment core drills. Top grade Diamond segments which especially use on rock or granite, marble or concrete with steel bar (less than 6mm). You can adjust or remove the pilot bit by hex.
New 1 piece of 85mm (3 3/8") Professional sintered Diamond segment core drills. Top grade Diamond segments which especially use on rock or granite, marble or concrete with steel bar (less than 6mm). You can adjust or remove the pilot bit by hex.
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