DIATOOL 4pcs/set(6mm+8mm+10mm+12mm) Diamond Vacuum Brazed Drilling Core Bits Drill Bits Hole Saw Granite Stone Ceramic Masory

Описание

Item: Diamond Vacuum Brazed drilling core bits

Specification & size: Diameter 6mm+8mm+10mm+12mm 1pc/each size, 10mm round shank

Quantity: 4pcs

Application: Wet drilling for granite marble masonry ceramic tile glass....

Feature: 5-10times drilling life than electroplated drilling bits, 50%-70% higher in efficiency than traditional drilling bits

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