Core Bit
A core bit is a specialised drill attachment used to bore large holes in hard materials such as concrete, masonry, and rock. It consists of a cylindrical body with cutting teeth at the front that remove material and shape the hole.
Types of Core Bits
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Diamond Core Bit: These core bits are embedded with industrial diamonds and are especially suitable for extremely hard materials like concrete and rock.
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Carbide Core Bit: These core bits feature carbide teeth and are suitable for softer materials like bricks and sand-lime bricks.
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Hollow Core Bit: Designed for use with rotary hammers, ideal for large holes in concrete and masonry.
Applications of Core Bits
Core bits are used in various fields, including:
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Construction and Renovation: For drilling holes for pipes, cable ducts, and ventilation shafts.
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Electrical Installation: For installing sockets, switches, and distribution boxes in walls.
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Plumbing Installation: For drilling holes for water pipes and drains.
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Landscaping: For setting posts and installing outdoor lighting fixtures.
Tips for Selection and Care
When purchasing a core bit, consider the hardness of the material to be worked on and the required hole size. Regular cleaning and cooling of the core bit during use can extend its lifespan and improve drilling performance.