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A detailed buying guide: how to choose a diamond core bit.
Diamond core bits drill large holes in concrete, brick, stone and reinforced concrete for sockets, pipes and ventilation. This section has dry and wet core bits and socket box cutters.
Dry cores suit brick and light concrete, while reinforced concrete needs a wet core and a diamond drilling rig.
Socket boxes need 68-82 mm, pipes 52-162 mm, and the working length depends on wall thickness.
Check the core connection (1 1/4 UNC, M22, SDS-plus or SDS-max) matches your tool.
Choose by material — metal, concrete, stone, tile or wood; a universal consumable always loses to a dedicated one. Read how to choose a consumable for the workpiece material.
Use an RCD-protected supply for wet core drilling. Read how to use a rotary hammer safely.
Clean out the core and dress glazed segments on an abrasive block.
At ToolsArmenia you can choose diamond core bits by drilling method, diameter, connection and material.
